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NATIONAL AEROSPACE STANDARD
©COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NATIONAi AfROWACf STANDARD$

FED. SUPPLY CLASS

5320

LENGTH ±.010

r
(B) C(APPROX
/6/ ATERIAL FOR

""I FULL HEAD)

1 s /2/
E
R .010 MAX
ii
I
I
100°±1/2° + 0D /1/
I
I
t
I )

. \__MATERIAL IDENTIFI~ATION TRAD /2/

L
MARKS AND MANUFACTURER'S
/ I ID /10/ ON RIVET HEAD
--i .020 MAX

MATERIAL IDENTIFICATION MARKS

LO
w::stn
~w
U1 I
w f-
:r::;:
f- 0
01100 (A)
PLAIN
0© fB5056 (B)
RAISED CROSS
2117 (AD)
DIMPLED .020 MAX
rd 2024 (DD)
RAISED DOUBLE DASH
(INACTIVE)
'.'.3
0
N
6
""ou.""
L1.U1
N
a'.
w
U1 I
<.:J f- a:i
z

rfjT r gjg ~
Z .050 MAX 2:
w
3~

F8
.030 MIN u
w
;2 ~ 0
0 U1 .070 MAX
oz
"" <{
<{ I
0 f-
z""
~w
I ~ Q .040MIN
w
~
z
U1~ 2017 (D) 7050 (E) 2219-TSl (K) 2219-T62 (J) 45Cb (T) 0
f-
zWz
o 2l
>
RAISED TEAT INDENTED RING INDENTED SQUARE INDENTED INDENTED w
!Ilw>
u_ a'.
(INACTIVE) /9/ (INACTIVE) TRIANGLE DIAMOND
~t:;
~~ /11/
_J L1.
_J UJ
<{ w
U1 :;;:

~§
cc
U1
DJ j Reproduced By IHS
§J ~ With The Permission Of AIA/NAS
U1 U1
<.:J 0 f1J
~ z 4:
.
G)
3 COMPLETELY REVISED
Under Royalty Agreement ··
w
s<J'.O 1-

~~SJ ~
~ ~ ~ l------T-H_E_IN_I_T_IA_L_R_E_L_EA_S_E_O_F_TH_I_S_D_O_C_U_M_E_N_T_S_U_P_E_R_SE_D_E_S_M_S_2_0_4_26-,-R-E_V_IS_IO_N_L_.-PA_R_T-NU-M-BE_R_S_R_E_M_A_I_N_M_S_2_04_2_6_.- - - - - - I IB
THIRD
ANGLE
PROJECTION
@) cJ CUSTODIAN

NATIONAL AEROSPACE STANDARDS COMMITTEE

REVISION

3
PROCUREMENT TITLE CLASSIFICATION
SPECIFICATION PART STANDARD
RIVET, SOLID, COUNTERSUNK 100°, PRECISION HEAD,
NASM5674 ALUMINUM AND TITANIUM COLUMBIUM ALLOY
NASM20426
SHEET 1 OF 7
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABiLITY OF
TTFMS FOR ANY PARTTn JI AR APPi TrATTON OR (7) THF FXTSTFNrF OF OR APPi ](":ARTI TTY THFRFTO OF PATFNT OR TRAnFMARKS Rll,HTS.
74/A
Al-RfJ!;I',t(_J_
A
J\l)/"_\],tUJ'\
'l \UCJ,-t[JfJ \
NATIONAL AEROSPACE STANDARD
© COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NAJIONAt A!ROS?ACf STANDARDS

TABLE I - RIVET DIMENSIONS

0A (B) c 0D E s T
±.004 +.003 RAD
-.001
.114 .022 .094 .062 (1/16) .004 .016 .019
.179 .036 .141 .094 (3/32) ±.002 .023 .029
.225 .042 .188 .125 (1/8) .005 .031 .039
.286 .055 .234 .156 (5/32) ±.002 .039 .049
.353 .070 .281 .187 (3/16) .006 .047 .059
.415 .083 .328 .219 (7/32) ±.003 .054 .069
.008
.476 .095 .375 .250 (1/4) .062 .078
±.003
.564 .106 .469 .312 (5/16) .010 .078 .098
.694 .134 .562 .375 (3/8) ±.004 .094 .117

MATERIAL:

ALUMINUM 1100-F (UNS A91100) AND ALUMINUM ALLOYS 2017-T4 (UNS A92017), 2024-T4 (UNS A92024), 2117-
T4 (UNS A92117), 2219-T62 (UNS A92219), 2219-T81 (UNS A922119), 5056-H32 (UNS A95056), 7050-T73 (UNS
A97050) PER QQ-A-430 AND TITANIUM COLUMBIUM ALLOY 45Cb (UNS R58450) PER AMS4982.

EXAMPLE OF PART NUMBER:

MS20426 AD 4 - 12 A -5 = ALUMINUM ALLOY 2117-T4 RIVET, 1/8 DIA. (3/4 + 1/32) LONG, ANODIZE CLEAR.
-- -- L INDICATES ADDITIONAL 1/32 INCH INCREMENT IN LENGTH.
- NO CODE INDICATES CHEMICAL SURFACE TREATMENT PER MIL-DTL-5541,
CLASS lA, GOLD/YELLOW.
"A" INDICATES ANODIZE PER MIL-A-8625, TYPE II, CLASS 1, CLEAR.
~ "D" INDICATES ANODIZE PER MIL-A-8625, TYPE II, CLASS 1, DICHROMATE SEAL.
"F" INDICATES OPTION OF ANY FINISH EXCEPT AS NOTED BELOW.
"S" INDICATES CHEMICAL SURFACE TREATMENT PER MIL-DTL-5541, CLASS lA, CLEAR.
- "N" INDICATES ANODIZE PER MIL-A-8625, TYPE II, CLASS 2.
NOTE: FOR 1100 AL. CHEMICAL SURFACE TREATMENT PER MIL-DTL-5541, CLASS lA,
GOLD/YELLOW (NO CODE).
FOR 2024 AL. ANODIZE PER MIL-A-8625, TYPE II, CLASS 1, DICHROMATE SEAL OR CLEAR
OR CLASS 2 WITH SPECIFIED COLOR (A, D, ORN CODE).
FOR 2017, 2117, 2219, 5056 AND 7050 AL. CHEMICAL FINISH SURFACE TREATMENT PER
MIL-DTL-5541, CLASS lA, CLEAR OR GOLD/YELLOW (CLEAR FILM SHALL BE USED ONLY
WHEN AUTHORIZED) OR ANODIZE PER MIL-A-8625, TYPE II, CLASS 1 (CLEAR OR
DICHROMATE SEAL) OR CLASS 2.
FOR TITANIUM COLUMBIUM, NO FINISH REQUIRED.
~-INDICATES LENGTH IN 1/16 OF AN INCH.
' - - - - - - INDICATES DIAMETER IN 1/32 OF AN INCH.
- "A" INDICATES 1100-F ALUMINUM
"AD" INDICATES 2117-T4 AL. ALLOY
"B" INDICATES 5056-H32 AL. ALLOY
"D" INDICATES 2017-T4 AL. ALLOY - (INACTIVE FOR NEW DESIGN)
"DD" INDICATES 2024-T4 AL. ALLOY - (INACTIVE FOR NEW DESIGN)
"K" INDICATES 2219-T81 AL. ALLOY- (INACTIVE FOR NEW DESIGN)
"E" INDICATES 7050-T73 AL. ALLOY
"T" INDICATES TITANIUM COLUMBIUM ALLOY 45Cb
- "J" INDICATES 2219-T62 AL. ALLOY
' - - - - - - - - - BASIC MS NUMBER REVISION
3
G) COMPLETELY REVISED NASM20426
SHEET 2
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AJA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF
ITEMS FOR ANY PARTICULAR APPLICATION OR 121 THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARKS RIGHTS.
 NATIONAL AEROSPACE STANDARD
©COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NATIONAL AFROS?ACE STANDARDS

NOTES:

/1/ .001 INCH SHANK DIAMETER INCREASE PERMISSIBLE WITHIN .100 INCH OF BASE OF HEAD.
u
~ /2/ RIVETS MAY BE FURNISHED WITH PLAIN ENDS, OR CHAMFERED ENDS WITH A RADIUS TO THE "T" DIMENSION
LS' OR A 20° CHAMFER TO THE "S" DIMENSION.
01
w
:;;:
<(
LL
0
/3/ A PROFILE VIEW OF LAND AREA MAY VARY FROM A LINE PARALLEL WITH THE SHANK TO A CURVE THAT WILL
z
0
FALL WITHIN THE LIMITS ALLOWED.
§
u
0
<Jl
/4/ THE CONICAL SURFACE OF THE HEAD SHALL BE CONCENTRIC WITH THE SHANK OF THE RIVET WITHIN .005
~ (.010 FIM).
<Jl

~ -~N
f- 0
gj :'.:i N
/5/ HEAD-COCKING ANGLE RELATIVE TO AXIS OF RIVET 1/2° MAX.
0 " ' <(
Zz>
~oz
~~~
/6/ MAXIM.UM HEAD DIAMETERS ARE TO THEORETICAL SHARP CORNERS AS MEASURED BY PROJECTION.
a_:;:'-"
<Jl z
"'0
Oo-
Woo:'.
<( ,..., <(
_J (7) FOR PART NUMBERS OF RIVET LENGTH NOT LISTED SHOW 1/16 INCREMENT REQUIRED.

(8) ADDITIONAL 1/32 LENGTH INCREMENTS MAY BE OBTAINED BY ADDING -5 AFTER THE LAST DIGIT OR LEDER
IN PART NUMBER.

/9/ OUTER DIAMETER OF INDENTED RING (7050 RIVETS) SHALL BE A MAXIMUM OF 75% OF RIVET SHANK
DIAMETER. THE MAXIMUM DEPTH OF THE RING SHALL BE .Ol!Y INCH. INDENTED RING IS REQUIRED ON 7050
RIVETS MANUFACTURED AFTER 2 JULY 1990.

/10/ MANUFACTURER'S IDENTIFICATION IS REQUIRED TO BE DEPRESSED ON RIVET HEADS WITH A SHANK

DIAMETER .125 INCH AND LARGER MANUFACTURED AFTER 2 JULY 1990.

/11/ ALUMINUM ALLOY 2017-T4 RIVETS WITH 33 KSI MIN. UNDRIVEN SHEAR STRENGTHS ARE ACCEPTABLE UNTIL 2
JULY 1990.

~
tn
5 (12) DIMENSIONS ARE IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED.
<( w
<Jl I
w f-
~6 (13) UNLESS OTHERWISE SPECIFIED, TOLERANCES: DECIMALS ±.010.
"'"'
Q LL
LL <Jl
i9 ~ (14) INTERCHANGEABILITY RELATION WITH AN426 RIVETS: MS20426 RIVETS OF LIKE DASH NUMBERS ARE
~~ UNIVERSALLY, FUNCTIONALLY, AND DIMENSIONABLY INTERCHANGEABLE.
;2 ~
O<Jl
~ ~ (15) IN THE EVENT OF A CONFLICT BETWEEN THE TEXT OF THIS STANDARD AND THE REFERENCES CITED HEREIN,
C§ ~ THE TEXT OF THIS STANDARD SHALL TAKE PRECEDENCE.
Za::
f"'.w
<Jlf-
2 0
5 (16) UNLESS OTHERWISE SPECIFIED HEREIN, REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECT ON DATE
§~ OF MANUFACTURE. HOWEVER, EXISTING MATERIAL INVENTORY CERTIFIED TO A PREVIOUS REVISION OF THE
~ f:: APPLICABLE MATERIAL SPECIFICATION(S) IS ACCEPTABLE FOR USE UNTIL DEPLETION.
~~
- ' LL
_J w
:;; ~ (17) UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE
~ § APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED.
~w /
8] ::l
§; :i;
<Jl<Jl
(18) DIMENSIONING AND TOLERANCING PER ANSI Y14.5M-t982.
~~
:;: <(

;2 t;
o:::i

~~a_
f-

REVISION

3
G) COMPLETELY REVISED NASM20426
SHEET 3
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AJA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AJA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF
ITEMS FOR ANY PARTTCLJLAR APPLICATION OR 17) THE EXISTENCE OF OR APPLTCABfLTTY THERETO OF PATENT OR TRADEMARKS RIGHTS.
 NATIONAL AEROSPACE STANDARD
©COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NATIONAL AfROSPA(f STANDARDS

TABLE II - LENGTHS AND DASH NUMBERS

ALUMINUM ALUMINUM ALUMINUM
ALUMINUM ALUMINUM ALUMINUM 2017-T4 2024-T4 ALUMINUM 2219-T81 TITANIUM ALUMINUM
1100-F 2117-T4 5056-H32 INACTIVE INACTIVE 7050-T73 INACTIVE 45 Cb 2219-T62 LENGTH
DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO.
1/16 NOM DIA.
A2-2 AD2-2 62-2 D2-2 DD2-2 E2-2 K2-2 T2-2 J2-2 .125
A2-3 AD2-3 62-3 D2-3 DD2-3 E2-3 K2-3 T2-3 J2-3 .1875
A2-4 AD2-4 62-4 D2-4 DD2-4 E2-4 K2-4 T2-4 J2-4 .250
A2-5 AD2-5 62-5 D2-5 DD2-5 E2-5 K2-5 T2-5 J2-5 .3125
A2-6 AD2-6 62-6 D2-6 DD2-6 E2-6 K2-6 T2-6 J2-6 .375
A2-7 AD2-7 62-7 D2-7 DD2-7 E2-7 K2-7 T2-7 J2-7 .4375
A2-8 AD2-8 62-8 D2-8 DD2-8 E2-8 K2-8 T2-8 J2-8 .500
A2-9 AD2-9 62-9 D2-9 DD2-9 E2-9 K2-9 T2-9 J2-9 .5625
A2-10 AD2-10 62-10 D2-10 DD2-10 E2-10 K2-10 T2-10 J2-10 .625

.
ALUMINUM ALUMINUM ALUMINUM
ALUMINUM ALUMINUM ALUMINUM 2017-T4 2024-T4 ALUMINUM 2219-T81 TITANIUM ALUMINUM
1100-F 2117-T4 5056-H32 INACTIVE INACTIVE 7050-T73 INACTIVE 45 Cb 2219-T62 LENGTH
DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO.
3/32 NOM DIA.
A3-2 AD3-2 63-2 D3-2 DD3-2 E3-2 K3-2 T3-2 J3-2 .125
A3-3 AD3-3 63-3 D3-3 DD3-3 E3-3 K3-3 T3-3 J3-3 .1875
A3-4 AD3-4 63-4 D3-4 DD3-4 E3-4 K3-4 T3-4 J3-4 .250
A3-5 AD3-5 63-5 D3-5 DD3-5 E3-5 K3-5 T3-5 J3-5 .3125
A3-6 AD3-6 63-6 D3-6 DD3-6 E3-6 K3-6 T3-6 J3-6 .375
A3-7 AD3-7 63-7 D3-7 DD3-7 E3-7 K3-7 T3-7 J3-7 .4375
A3-8 AD3-8 63-8 D3-8 DD3-8 E3-8 K3-8 T3-8 J3-8 .500
A3-9 AD3-9 63-9 D3-9 DD3-9 E3-9 K3-9 T3-9 J3-9 .5625
A3-10 AD3-10 63-10 D3-10 DD3-10 E3-10 K3-10 T3-10 B-10 .625
A3-12 AD3-12 63-12 D3-12 DD3-12 E3-12 K3-12 T3-12 B-12 .750
A3-14 AD3-14 63-14 D3-14 DD3-14 E3-14 K3-14 T3-14 B-14 .875
A3-16 AD3-16 63-16 D3-16 DD3-16 E3-16 K3-16 T3-16 B-16 1.000
t;; A3-20 AD3-20 63-20 D3-20 DD3-20 E3-20 K3-20 T3-20 B-20 1.250
~ ::s AD3-32 2.000
<>: w
Ul :r:
w 1-
:r::;:
I- 0 ALUMINUM ALUMINUM ALUMINUM
a'. a'.
0 u.
u. Ul ALUMINUM ALUMINUM ALUMINUM 2017-T4 2024-T4 ALUMINUM 2219-T81 TITANIUM ALUMINUM
Ul :r: 1100-F 2117-T4 5056-H32 INACTIVE INACTIVE 7050-T73 INACTIVE 45 Cb 2219-T62 LENGTH
\:i !z DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO.
:;: ~ DASH NO. DASH NO.
;'2 i::'.i 1/8 NOM DIA.
0 Ul
oz A4-3 AD4-3 64-3 D4-3 DD4-3 E4-3 K4-3 T4-3 J4-3 .1875
a'.<>:
<>: :r:
0 1- A4-4 AD4-4 64-4 D4-4 DD4-4 E4-4 K4-4 T4-4 J4-4 .250
z a'.
j:". w A4-5 AD4-5 64-5 D4-5 DD4-5 E4-5 K4-5 T4-5 J4-5 .3125
~~
zo A4-6 AD4-6 64-6 04-6 DD4-6 E4-6 K4-6 T4-6 J4-6 .375
Wz A4-7 AD4-7 64-7 D4-7 DD4-7 E4-7 K4-7 T4-7 J4-7 .4375
~~
irl ~ A4-8 AD4-8 64-8 04-8 DD4-8 E4-8 K4-8 T4-8 J4-8 .500
~f:cl
<>: u. A4-9 AD4-9 64-9 04-9 DD4-9 E4-9 K4-9 T4-9 J4-9 .5625
::J tb A4-10 AD4-10 64-10 04-10 DD4-10 E4-10 K4-10 T4-10 J4-10 .625
<>: w
Ul :;: A4-12 AD4-12 64-12 D4-12 DD4-12 E4-12 K4-12 T4-12 J4-12 .750
~8
ww A4-13 AD4-13 64-13 D4-13 DD4-13 /E4-13 K4-13 T4-13 J4-13 .8125
Ul
a'. "'
_J

g: ~ A4-14 AD4-14 64-14 04-14 DD4-14 , E4-14 K4-14 T4-14 J4-14 .875
~a;; A4-16 AD4-16 64-16 D4-16 DD4-16 E4-16 K4-16 T4-16 ]4-16 1.000
"'0
~z A4-18 AD4-18 64-18 04-18 DD4-18 E4-18 K4-18 T4-18 J4-18 1.125
5: <>: T4-20 ]4-20
;'2t:; A4-20 AD4-20 64-20 D4-20 DD4-20 E4-20 K4-20 1.250
0 :::J A4-22 64-22 D4-22 DD4-22 E4-22 K4-22 T4-22 J4-22 1.375
AD4-22
~8
:r:
I- 0..
a'. A4-24 AD4-24 64-24 D4-24 DD4-24 E4-24 K4-24 T4-24 J4-24 1.500
A4-28 AD4-28 64-28 D4-28 DD4-28 E4-28 K4-28 T4-28 J4-28 1.750

REVISION
~
0 3
"'
0

~
0
CD COMPLETELY REVISED NASM20426
u.
SHEET 4
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AJA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF
ITEMS FOR ANY PARTICULAR APPLICATION OR 121 THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARKS Rlc;HTS.
 NATIONAL AEROSPACE STANDARD
© COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NATIONAL A€ROS?ACE STANDARDS

TABLE II - LENGTHS AND DASH NUMBERS (CONTINUED)

ALUMINUM ALUMINUM ALUMINUM
ALUMINUM ALUMINUM ALUMINUM 2017-T4 2024-T4 ALUMINUM 2219-T81 TITANIUM ALUMINUM
1100-F 2117-T4 5056-H32 INACTIVE INACTIVE 7050-T73 INACTIVE 45 Cb 2219-T62 LENGTH
DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO.
5/32 NOM DIA.
A5-4 AD5-4 B5-4 D5-4 DD5-4 E5-4 K5-4 T5-4 J5-4 .250
A5-5 AD5-5 B5-5 D5-5 DD5-5 E5-5 K5-5 T5-5 J5-5 .3125
A5-6 AD5-6 B5-6 D5-6 DD5-6 E5-6 K5-6 T5-6 J5-6 .375
A5-7 AD5-7 B5-7 D5-7 DD5-7 E5-7 K5-7 T5-7 J5-7 .4375
A5-8 AD5-8 B5-8 D5-8 DD5-8 E5-8 K5-8 T5-8 J5-8 .500
A5-9 AD5-9 B5-9 D5-9 DD5-9 E5-9 K5-9 T5-9 J5-9 .5625
A5-10 AD5-10 B5-10 D5-10 DD5-10 E5-10 K5-10 T5-10 J5-10 .625
A5-ll AD5-ll ---- ---- ---- ---- ---- ---- ---- .6875
A5-12 AD5-12 B5-12 D5-12 DD5-12 E5-12 K5-12 T5-12 J5-12 .750
A5-14 AD5-14 B5-14 D5-14 DD5-14 E5-14 K5-14 T5-14 J5-14 .875
A5-16 AD5-16 B5-16 D5-16 DD5-16 E5-16 K5-16 T5-16 J5-16 1.00
A5-18 AD5-18 B5-18 D5-18 DD5-18 E5-18 K5-18 T5-18 J5-18 1.125
A5-20 AD5-20 B5-20 D5-20 DD5-20 E5-20 K5-20 T5-20 J5-20 1.250
A5-22 AD5-22 B5-22 D5-22 DD5-22 E5-22 K5-22 T5-22 J5-22 1.375
A5-24 AD5-24 B5-24 D5-24 DD5-24 E5-24 K5-24 T5-24 J5-24 1.500
A5-28 AD5-28 B5-28 D5-28 DD5-28 E5-28 K5-28 T5-28 J5-28 1.750
A5-32 AD5-32 B5-32 D5-32 DD5-32 E5-32 K5-32 T5-32 J5-32 2.00
~

-
ALUMINUM ALUMINUM ALUMINUM
ALUMINUM ALUMINUM ALUMINUM 2017-T4 2024-T4 ALUMINUM 2219-T81 TITANIUM ALUMINUM
1100-F 2117-T4 5056-H32 INACTIVE INACTIVE 7050-T73 INACTIVE 45 Cb 2219-T62 LENGTH
DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO.
3/16 NOM DIA.
A6-5 AD6-5 B6-5 D6-5 DD6-5 E6-5 K6-5 T6-5 J6-5 .3125
A6-6 AD6-6 B6-6 D6-6 DD6-6 E6-6 K6-6 T6-6 J6-6 .375
A6-7 AD6-7 B6-7 D6-7 DD6-7 E6-7 K6-7 T6-7 J6-7 .4375
A6-8 AD6-8 B6-8 D6-8 DD6-8 E6-8 K6-8 T6-8 J6-8 .500
A6-9 AD6-9 B6-9 D6-9 DD6-9 E6-9 K6-9 T6-9 ]6-9 .5625
A6-10 AD6-10 B6-10 D6-10 DD6-10 E6-10 K6-10 T6-10 J6-10 .625
---- AD6-11 ---- ---- ---- ---- ---- ---- ---- .6875
A6-12 AD6-12 B6-12 D6-12 DD6-12 E6-12 K6-12 T6-12 J6-12 .750
A6-14 AD6-14 B6-14 D6-14 DD6-14 E6-14 K6-14 T6-14 J6-14 .875
A6-15 AD6-15 B6-15 D6-15 DD6-15 E6-15 K6-15 T6-15 J6-15 .9375
A6-16 AD6-16 B6-16 D6-16 DD6-16 E6-16 K6-16 T6-16 J6-16 1.00
A6-18 AD6-18 B6-18 D6-18 DD6-18 E6-18 K6-18 T6-18 J6-18 1.125
A6-20 AD6-20 B6-20 D6-20 DD6-20 E6-20 K6-20 T6-20 J6-20 1.250
A6-22 AD6-22 B6-22 D6-22 DD6-22 E6-22 K6-22 T6-22 ]6-22 1.375
A6-24 AD6-24 B6-24 D6-24 DD6-24 E6-24 K6-24 T6-24 ]6-24 1.500
A6-28 AD6-28 B6-28 D6-28 DD6-28 E6-28 K6-28 T6-28 ]6-28 1.750
A6-32 AD6-32 B6-32 D6-32 DD6-32 E6-32 K6-32 T6-32 ]6-32 2.00
A6-40 AD6-40 B6-40 D6-40 DD6-40 E6-40 K6-40 T6-40 ]6-40 2.500
A6-48 AD6-48 B6-48 D6-48 DD6-48 E6-48 K6-48 T6-48 ]6-48 3.00

REVISION

3
0 COMPLETELY REVISED NASM20426
SHEET 5
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AJA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF
ITEMS FOR ANY PARTICULAR APPLICATION OR 12) THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARKS RIGHTS.
 NATIONAL AEROSPACE STANDARD
© COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NATIONAi AfROSPAct STANDA•D5

TABLE II - LENGTHS AND DASH NUMBERS (CONTINUED)

ALUMINUM ALUMINUM ALUMINUM
ALUMINUM ALUMINUM ALUMINUM 2017-T4 2024-T4 ALUMINUM 2219-T81 TITANIUM ALUMINUM
1100-F 2117-T4 5056-H32 INACTIVE INACTIVE 7050-T73 INACTIVE 45 Cb 2219-T62 LENGTH
DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO.
7/32 NOM DIA.
A7-6 AD7-6 B7-6 D7-6 DD7-6 E7-6 K7-6 T7-6 ]7-6 .375
A7-7 AD7-7 B7-7 D7-7 DD7-7 E7-7 K7-7 T7-7 ]7-7 .4375
A7-8 AD7-8 B7-8 D7-8 DD7-8 E7-8 K7-8 T7-8 ]7-8 .500
A7-9 AD7-9 B7-9 D7-9 DD7-9 E7-9 K7-9 T7-9 ]7-9 .5625
A?-10 AD7-10 B7-10 D7-10 DD7-10 E7-10 K7-10 T7-10 ]7-10 .625
A7-12 AD7-12 B7-12 D7-12 DD7-12 E7-12 K7-12 T7-12 ]7-12 .750
A7-14 AD7-14 B7-14 D7-14 DD7-14 E7-14 K7-14 T7-14 J7-14 .875
A7-16 AD7-16 B7-16 D7-16 DD7-16 E7-16 K7-16 T7-16 J7-16 1.00
A7-18 AD7-18 B7-18 D7-18 DD7-18 E7-18 K7-18 T7-18 J7-18 1.125
A7-20 AD7-20 B7-20 D7-20 DD7-20 E7-20 K7-20 Tl-20 J7-20 1.250
A7-22 AD7-22 B7-22 D7-22 DD7-22 E7-22 K7-22 T7-22 J7-22 1.375
A7-24 AD7-24 B7-24 D7-24 DD7-24 E7-24 K7-24 T7-24 ]7-24 1.500
A7-28 AD7-28 B7-28 D7-28 DD7-28 E7-28 K7-28 T7-28 J7-28 1.750
A7-32 AD7-32 B7-32 D7-32 DD7-32 E7-32 K7-32 T7-32 ]7-32 2.00
A7-40 AD7-40 B7-40 D7-40 DD7-40 E7-40 K7-40 T7-40 J7-40 2.500
A7-48 AD7-48 B7-48 D7-48 DD7-48 E7-48 K7-48 T7-48 J7-48 3.00

ALUMINUM ALUMINUM ALUMINUM r

ALUMINUM ALUMINUM ALUMINUM 2017-T4 2024-T4 ALUMINUl'VI- 2219-T81 TITANIUM ALUMINUM

1100-F 2117-T4 5056-H32 INACTIVE INACTIVE 7050-T73 INACTIVE 45 Cb 2219-T62 LENGTH
DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO.
1/4 NOM DIA.
A8-6 AD8-6 B8-6 D8-6 DD8-6 E8-6 K8-6 T8-6 J8-6 .375
A8-7 AD8-7 B8-7 D8-7 DD8-7 E8-7 K8-7 T8-7 J8-7 .4375
A8-8 AD8-8 B8-8 D8-8 DD8-8 E8-8 K8-8 T8-8 J8-8 .500
A8-9 AD8-9 B8-9 D8-9 DD8-9 E8-9 K8-9 T8-9 J8-9 .5625
A8-10 AD8-10 B8-10 D8-10 DD8-10 E8-10 K8-10 T8-10 J8-10 .625
A8-12 AD8-12 B8-12 D8-12 DD8-12 E8-12 KB-12 T8-12 J8-12 .750
ln
~
-0: UJ
:s A8-14 AD8-14 B8-14 D8-14 DD8-14 E8-14 K8-14 T8-14 J8-14 .875
lfl I A8-16 AD8-16 B8-16 D8-16 DD8-16 E8-16 K8-16 T8-16 J8-16 1.00
UJ f-
I:;:
f- 0
A8-18 AD8-18 B8-18 D8-18 DD8-18 E8-18 K8-18 T8-18 J8-18 1.125
A8-20 D8-20
"'"'
Q LL
LL lJl
A8-22
AD8-20 B8-20
D8-22
DD8-20 E8-20 K8-20 T8-20 J8-20 1.250
lJl I AD8-22 B8-22 DD8-22 E8-22 K8-22 T8-22 J8-22 1.375
l9 f-
z Z A8-24 AD8-24 B8-24 D8-24 DD8-24 E8-24 K8-24 T8-24 J8-24 1.500
-o
5:;:
~~ A8-28 AD8-28 B8-28 D8-28 DD8-28 E8-28 K8-28 T8-28 J8-28 1.750
Cl lJl
Cl z
A8-32 AD8-32 B8-32 D8-32 DD8-32 E8-32 K8-32 T8-32 J8-32 2.00
"'-0:
<O'.I
Cl f-
---- AD8-34 ---- ---- ---- ---- ---- ---- ---- 2.125
z"' A8-40 AD8-40 B8-40 D8-40 DD8-40 E8-40 K8-40 T8-40 J8-40 2.500
~ UJ
lJl ~ A8-48 AD8-48 B8-48 D8-48 DD8-48 E8-48 K8-48 T8-48 J8-48 3.00
f-
z o
UJ z

fi3~
u_
~ t::;
Zw
-0: LL
- ' LL
-' w
<o:w
lfl:;:
wo
Cl u
ww co
,,
lJl /

ffi ::J
"-.o:
::l I
lJl lJl
l9 Cl
~z
5 -0:
~ t::;
Cl ::i
lJl Cl
-o
IO'.
f- "-

REVISION

3
0 COMPLETELY REVISED NASM20426
SHEET 6
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY, AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS, AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF
ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARKS RIGHTS,
 NATIONAL AEROSPACE STANDARD
© COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NAIIONAl AEROSPACE STANDARDS

TABLE II - LENGTHS AND DASH NUMBERS (CONTINUED)

ALUMINUM ALUMINUM ALUMINUM
ALUMINUM ALUMINUM ALUMINUM 2017-T4 2024-T4 ALUMINUM 2219-T81 TITANIUM ALUMINUM
1100-F 2117-T4 5056-H32 INACTIVE INACTIVE 7050-T73 INACTIVE 45 Cb 2219-T62 LENGTH
u
;;;; DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO.
5/16 NOM DIA.
Al0-7 ADl0-7 610-7 Dl0-7 DDl0-7 El0-7 Kl0-7 Tl0-7 Jl0-7 .4375
Al0-8 ADl0-8 610-8 Dl0-8 DDl0-8 El0-8 Kl0-8 Tl0-8 Jl0-8 .500
Al0-9 ADl0-9 610-9 Dl0-9 DDl0-9 El0-9 Kl0-9 Tl0-9 Jl0-9 .5625
Al0-10 ADl0-10 610-10 Dl0-10 DDl0-10 El0-10 Kl0-10 Tl0-10 Jl0-10 .625
Al0-12 ADl0-12 610-12 Dl0-12 DDl0-12 El0-12 Kl0-12 Tl0-12 Jl0-12 .750
Al0-14 ADl0-14 610-14 Dl0-14 DDl0-14 El0-14 Kl0-14 Tl0-14 Jl0-14 .875
Al0-16 ADl0-16 610-16 Dl0-16 DDl0-16 El0-16 Kl0-16 Tl0-16 Jl0-16 1.00
Al0-18 ADl0-18 610-18 Dl0-18 DDl0-18 El0-18 Kl0-18 Tl0-18 Jl0-18 1.125
Al0-20 ADl0-20 610-20 Dl0-20 DDl0-20 El0-20 Kl0-20 Tl0-20 Jl0-20 1.250
Al0-22 ADl0-22 610-22 Dl0-22 DDl0-22 El0-22 Kl0-22 Tl0-22 ]10-22 1.375
Al0-24 ADl0-24 610-24 Dl0-24 DDl0-24 El0-24 Kl0-24 Tl0-24 Jl0-24 1.500
Al0-28 ADl0-28 610-28 Dl0-28 DDl0-28 El0-28 Kl0-28 Tl0-28 Jl0-28 1.750
Al0-32 ADl0-32 610-32 Dl0-32 DDl0-32 El0-32 Kl0-32 Tl0-32 Jl0-32 2.00
Al0-40 ADl0-40 610-40 Dl0-40 DDl0-40 El0-40 Kl0-40 Tl0-40 Jl0-40 2.500
Al0-48 ADl0-48 610-48 Dl0-48 DDl0-48 El0-48 Kl0-48 Tl0-48 Jl0-48 3.00

ALUMINUM ALUMINUM ALUMINUM

ALUMINUM ALUMINUM ALUMINUM 2017-T4 2024-T4 ALUMINUM 2219-T81 TITANIUM ALUMINUM
1100-F 2117-T4 5056-H32 INACTIVE INACTIVE 7050-1=.~3 INACTIVE 45 Cb 2219-T62 LENGTH
DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. DASH NO.
3/8 NOM DIA.
A12-8 AD12-8 612-8 Dl2-8 DD12-8 E12-8 K12-8 T12-8 J12-8 .500
A12-9 AD12-9 612-9 D12-9 DD12-9 E12-9 K12-9 T12-9 J12-9 .5625
A12-10 AD12-10 612-10 Dl2-10 DD12-10 E12-10 K12-10 T12-10 ]12-10 .625
A12-12 AD12-12 612-12 D12-12 DD12-12 E12-12 K12-12 T12-12 J12-12 .750
A12-14 AD12-14 612-14 D12-14 DD12-14 E12-14 K12-14 T12-14 J12-14 .875
A12-16 AD12-16 612-16 D12-16 DD12-16 E12-16 K12-16 T12-16 J12-16 1.00
A12-18 AD12-18 612-18 D12-18 DD12-18 E12-18 K12-18 T12-18 J12-18 1.125
A12-20 AD12-20 612-20 D12-20 DD12-20 E12-20 K12-20 T12-20 J12-20 1.250
A12-22 AD12-22 612-22 D12-22 DD12-22 E12-22 K12-22 T12-22 J12-22 1.375
A12-24 AD12-24 612-24 D12-24 DD12-24 E12-24 K12-24 T12-24 J12-24 1.500
A12-28 AD12-28 612-28 D12-28 DD12-28 E12-28 K12-28 T12-28 J12-28 1.750
A12-32 AD12-32 612-32 D12-32 DD12-32 E12-32 K12-32 T12-32 J12-32 2.00
A12-40 AD12-40 612-40 D12-40 DD12-40 E12-40 K12-40 T12-40 J12-40 2.500
A12-48 AD12-48 612-48 D12-48 DD12-48 E12-48 K12-48 T12-48 ]12-48 3.00

REVISION
3
0 COMPLETELY REVISED NASM20426
SHEET 7
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF
ITEMS FOR ANY PARTICULAR APPLICATION OR 12) THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARKS RIGHTS.