NASM20426-2009.pdf
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1、 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA , INC 1000 WILSON BLVD. ARLINGTON, VA 22209 ISSUE DATE: AUGUST 1998 REVISION DATE: MARCH 10, 2009 FED. SUPPLY CLASS 5320 THIS DRAWING SUPERSEDES ALL ANTECEDENT STANDARD DRAWINGS FOR THE SAME PRODUCT AND SHALL BECOME EFFECTIVE NO LATER THAN SIX MONTHS FROM
2、 THE LAST REVISION DATE. COPYRIGHT 2009 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NATIONAL AEROSPACE STANDARD THIRD ANGLE PROJECTION CUSTODIAN NATIONAL AEROSPACE STANDARDS COMMITTEE TITLE RIVET, SOLID, COUNTERSUNK 100 , PRECISION HEAD, ALUMINUM AND TITANIUM COLUMBIUM ALLO
3、Y NASM20426 SHEET 1 OF 7 CLASSIFICATION PART STANDARD REVISION 2 PROCUREMENT SPECIFICATION NASM5674 ? FORM 08-02 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 AERO
4、SPACE 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. E B (f) LENGTH .010 C (APPROX MATERIAL FOR FULL HEAD) S (b) D (a) .020 MAX A (f)100 1/2 R .010
5、 MAX T (b) MATERIAL IDENTIFICATION MARKS AND MANUFACTURERS ID (SEE REQT 6) ON RIVET HEAD 1100 (A) PLAIN 5056 (B) RAISED CROSS 2117 (AD) DIMPLED .020 MAX 2024 (DD) RAISED DOUBLE DASH (INACTIVE) 2017 (D) RAISED TEAT (INACTIVE) (SEE REQT 7) 7050 (E) INDENTED RING (SEE REQT 5) 2219-T81 (K) INDENTED SQUA
6、RE (INACTIVE) 2219-T62 (J) INDENTED 45Cb (T) INDENTED MATERIAL IDENTIFICATION MARKS .030 MAX.030 MAX.030 MAX .030 MAX (SEE REQT 5) .050 MAX .030 MIN .070 MAX .040 MIN .030 MIN .050 MAX DIAMONDTRIANGLE TABLE I. RIVET DIMENSIONS A B C D E S T .004 REF +.003 RAD -.001 .114 .022 .094 .062 (1/16) +.004 .
7、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) -.003 .062 .078 .564 .106 .469 .312 (5/16) +.
8、010 .078 .098 .694 .134 .562 .375 (3/8) -.004 .094 .117 (a) .001 INCH SHANK DIAMETER INCREASE PERMISSIBLE WITHIN .100 INCH OF BASE OF HEAD. (b) RIVETS MAY BE FURNISHED WITH PLAIN ENDS, OR CHAMFERED ENDS WITH A RADIUS TO THE “T“ DIMENSION OR A 20 CHAMFER TO THE “S“ DIMENSION. THE INITIAL RELEASE OF T
9、HIS DOCUMENT SUPERSEDES MS20426, REVISION L, PART NUMBERS REMAIN MS20426 -,-,- NATIONAL AEROSPACE STANDARD COPYRIGHT 2009 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED FORM 08-02 USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. A
10、IA 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. THIS
11、 DRAWING SUPERSEDES ALL ANTECEDENT STANDARD DRAWINGS FOR THE SAME PRODUCT AND SHALL BECOME EFFECTIVE NO LATER THAN SIX MONTHS FROM THE LAST REVISION DATE. NASM20426 SHEET 2 REVISION 2 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA , INC 1000 WILSON BLVD. ARLINGTON, VA 22209 (c) A PROFILE VIEW OF LAND A
12、REA MAY VARY FROM A LINE PARALLEL WITH THE SHANK TO A CURVE THAT WILL FALL WITHIN THE LIMITS ALLOWED. (d) THE CONICAL SURFACE OF THE HEAD SHALL BE CONCENTRIC WITH THE SHANK OF THE RIVET WITHIN .005 (.010 FIM). (e) HEAD-COCKING ANGLE RELATIVE TO AXIS OF RIVET 1/2 MAX. (f) MAXIMUM HEAD DIAMETERS ARE T
13、O THEORETICAL SHARP CORNERS AS MEASURED BY PROJECTION. REQUIREMENTS: 1. 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-43
14、0 AND TITANIUM COLUMBIUM ALLOY 45Cb (UNS R58450) PER AMS4982. 2. FOR PART NUMBERS OF RIVET LENGTH NOT LISTED SHOW 1/16 INCREMENT REQUIRED. 3. ADDITIONAL 1/32 LENGTH INCREMENTS MAY BE OBTAINED BY ADDING -5 AFTER THE LAST DIGIT OR LETTER IN PART NUMBER. 4. EXAMPLE OF PART NUMBER: MS20426 AD 4 - 12 A -
15、5 = ALUMINUM ALLOY 2117-T4 RIVET, 1/8 DIA. (3/4 + 1/32) LONG, ANODIZE CLEAR. INDICATES ADDITIONAL 1/32 INCH INCREMENT IN LENGTH. NO CODE INDICATES CHEMICAL SURFACE TREATMENT PER MIL-DTL-5541, CLASS 1A, GOLD/YELLOW. “A“ INDICATES ANODIZE PER MIL-A-8625, TYPE II, CLASS 1, CLEAR. “D“ INDICATES ANODIZE
16、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 1A, CLEAR. “N“ INDICATES ANODIZE PER MIL-A-8625, TYPE II, CLASS 2. NOTE: FOR 1100 AL. CHEMICAL SURFACE TREATMENT PER MIL-DTL-5
17、541, CLASS 1A, 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, OR N CODE). FOR 2017, 2117, 2219, 5056 AND 7050 AL. CHEMICAL FINISH SURFACE TREATMENT PER MIL- DTL-5541, CLASS 1A, CLEAR OR GOLD/YELLOW (CLEAR
18、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.
19、 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“ IND
20、ICATES 2219-T62 AL. ALLOY BASIC MS NUMBER ? ? ? ? NATIONAL AEROSPACE STANDARD COPYRIGHT 2009 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED FORM 08-02 USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS
21、 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. THIS DRAWING SUPERSEDES ALL ANTEC
22、EDENT STANDARD DRAWINGS FOR THE SAME PRODUCT AND SHALL BECOME EFFECTIVE NO LATER THAN SIX MONTHS FROM THE LAST REVISION DATE. NASM20426 SHEET 3 REVISION 2 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA , INC 1000 WILSON BLVD. ARLINGTON, VA 22209 5. OUTER DIAMETER OF INDENTED RING (7050 RIVETS) SHALL BE
23、 A MAXIMUM OF 75% OF RIVET SHANK DIAMETER. THE MAXIMUM DEPTH OF THE RING SHALL BE .010 INCH. INDENTED RING IS REQUIRED ON 7050 RIVETS MANUFACTURED AFTER 2 JULY 1990. 6. MANUFACTURERS IDENTIFICATION IS REQUIRED TO BE DEPRESSED ON RIVET HEADS WITH A SHANK DIAMETER .125 INCH AND LARGER MANUFACTURED AFT
24、ER 2 JULY 1990. 7. ALUMINUM ALLOY 2017-T4 RIVETS WITH 33 KSI MIN. UNDRIVEN SHEAR STRENGTHS ARE ACCEPTABLE UNTIL 2 JULY 1990. NOTES: 1. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: DECIMALS .010. 2. INTERCHANGEABILITY RELATION WITH AN426 RIVETS: MS20426 RIVETS OF LIKE DASH NUMBER
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