A-A-55621-1996 FASTENERS SNAP STYLE 3 PRONGED RING HEAD TYPE (16 LIGNE) [Superseded DLA MS27982 REV D CANC NOTICE 1 DLA MS27982 REV D DLA MS27982 REV C DLA MS27982 REV B]《3型尖端分叉环形磁.pdf

1、- A-A-55621 9999974 0171895 102 COMMERCIAL ITEM DESCRIPTION A-A-5562 1 31 MAY is96 SUPERSEDING MS27982 21 OCTOBER 1994 FASTENERS, SNAP, STYLE 3 PRONGED RING HEAD TYPE (1 6 UGNE) THE GENERAL SERVICES ADMINISTRATION HAS AUTHORIZED THIS COMMERCIAL ITEM DESCRIPTION FOR ALL FEDERAL AGENCIES. 1. SCOPF- TH

2、IS COMMERCIAL ITEM DESCRIPTION (CID) DEPICTS THE REQUIREMENTS FOR PRONGED RING HEAD WE (1 6 LIGNE) SMLE 3 SNAP FASTENERS. 2. SAI IENT CHARACTERISTICS. 2.1. MATERIAL SHALL BE: BRASS. SHEET AND STRIP BRASS SHALL BE COMMERCIAL QUALITY 7030 COPPER ALLOY (UNS 26000) OF ASTM 836. 2.2 FINISH: A. BLACK: EIA

3、CK CHFMlCAl FINISH. THE PRONGED RINGS SHALL HAM A BLACK CHEMICAL FINISH PRODUCED BY CHEMICAL OR ELECTROCHEMICAL TREATMENT. OTHER COMPONENTS OF THE FASTENER SHALL BE GWEN A COMMERCIAL DARK OXIDE FINISH. (COMMERCIAL DARK OXIDE IS A NOMINALLY DARK COLOR, APPROACHING BLACK. BUT PERMISSIBLE LATITUDE AS T

4、O SHADE AND TONE.) BI ACK FNAMFL THE BLACK ENAMEL FINISH ON THE PRONGED RINGS SHALL BE A WED-ON ENAMEL. PRIOR TO ENAMELING. THE PRONGED RING SHALL BE THOROUGHLY CLEANED AND MAY BE GIVEN PREPARATORY PREPAINT TREATMENTS. THE ENAMEL SHALL BE UNIFORMLY COATED OVER THE PRONGED RING. GLOSS, THE GLOSS OF T

5、HE ENAMEL SHALL BE NO MORE THAN 40 WHEN TESTED BY WSUALLY COMPARING AGAINST A BLACK ENAMEL PWN PANEL WHOSE GLOSS HAS BEEN DETERMINED TO BE 40 IN ACCORDANCE WITH ASTM 0523. A GLOSS GREATER THAN 40 SHALL CONSTITUTE FAILURE OF THIS TEST. ENAMEI CHIPPING. THE ENAMEL SHALL BE CAPABLE OF WITHSTANDING ATAC

6、HMENT OPERATIONS WITHOUT REMOVAL OF ANY ENAMEL. THIS SHALL BE TESTED BY ATTACHING A PRONGED RING AND APPLICABLE SOCKET TO A SUITABLE FABRIC USING THE CONTRACTORS RECOMMENDED AITACHING DNICE. ANY MDENCE OF REMOVAL OF ENAMEL DUE TO AITACHMENT OPERATIONS CONSTITUTES FAILURE OF THE TEST. RFSISTANCF TO B

7、RITTLFNESS, THE ENAMEL SHALL BE CAPABLE OF BEING FURROWED WITH A KNIFE BLADE WITHOUT EVIDENCE OF BRITTLENESS, SUCH AS JAGGED FURROW EDGES, WHEN TESTED. THIS TEST SHALL BE PERFORMED BY HOLDING A KNIFE BLADE AT 30 DEGREES FROM THE HORIZONTAL AND DRAWING IT ACROSS THE ENAMELED SURFACE MAKING A FURROW.

8、THE EDGES OF THE FURROW SHALL BE EXAMINED VISUALLY. ANY MDENCE OF JAGGED FURROW EDGES SHALL CONSTITUTE FAILURE OF THIS TEST. APPFARANCF THE ENAMEL COATING SHALL BE FREE OF SAGS, RUNS AND STREAKS. BENEFICIAL COMMENTS, RECOMMENDATIONS, ADDITIONS, DELETIONS, CLARIFICATIONS, ETC., AND DATA WHICH MAY IMP

9、ROVE THIS DOCUMENT SHOULD BE SENT TO: DEFENSE INDUSTRIAL SUPPLY CENTER. ATTN: DISC-EED, 700 ROBBINS AMNUE. PHILADELPHIA. PA 191 1 1-5096. ASMC N/A 1 OF 6 PISTRIBUTION STATFMENT A. APPROVED FOR PUBLIC RELEASE; DISTRIBUTION IS UNLIMITED. FSC 5325 Licensed by Information Handling ServicesProvided by IH

10、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-i A-A-5562 1 B. NICKEL PLATE. PARTS PIATING. ALL COMPONENT PARTS OF THE FASTENERS, EXCEPT FOR THE OPTIONAL PROVISIONS SPECIFIED. SHALL BE GWEN A NICKEL PLATED FINISH WITH A .O03 INCH (.O76 mm) MINIMUM THICKNESS. EXCE

11、PT THE PLATING MAY BE APPLIED AFTER FORMING AND THERE SHALL BE NO VISIBLE GAPS IN THE PLATING. 2.3. ASSFMELING TO FND USE ARTlCl F DATA. WHEN REQUESTED THE SUPPLIER SHALL FURNISH DATA FOR ATTACHING SNAP FASTENERS TO END USE ARTICLES. ASSEMBLING DATA SHALL INCLUDE THE SUPPLIERS RECOMMENDATIONS FOR TH

12、E AlTACHING TOOL (E.G. CHUCK, HAND PUNCH, DIE, HAND SCREW DRIVER OR SPECIAL EQUIPMENT). 2.4. MARKING FOR IDFNTIFICATION. AT LEAST ONE COMPONENT PART OF EACH COMPLETE FASTENER SHALL BEAR THE MANUFACTURERS IDENTIFICATION EITHER BY NAME, TRADE NAME, OR TRADEMARK. IDENTIFICATION MARKINGS SHALL BE PERMAN

13、ENT AND SHALL NOT AFFECT THE PROPER FUNCTION OF THE FASTENER. 2.5. FASTFNFR COMPONENTS, UNLESS OTHERWISE SPECIFIED. COMPONENTS NECESSARY FOR COMPLETE FASTENERS SHALL BE FURNISHED AND ALL COMPONENTS SHALL BE OF ONE MANUFACTURERS CONSTRUCTION ONLY. WHEN MALE OR FEMALE HALVES OF COMPLETE FASTENERS ARE

14、SPECIFIED, INDlVlDUAL COMPONENTS SHALL BE OF ONE MANUFACTURERS CONSTRUCTION ONLY. 2.6. UNLESS OTHERWISE SPECIFIED. FASTENERS SHALL BE EITHER CONSTRUCTION A, B, C OR D, AT THE OPTION OF THE CONTRACTOR, ACCORDING TO DISC DRAWING 02754. FASTENERS SHALL CONSIST OF FOUR SEPARATE COMPONENTS PRONGED RING,

15、SOCKET, STUD, AND EYELET. RMRSIBLE STUD FOR USE WITH CONSTRUCTION B, C AND D COMPONENTS SHALL BE FURNISHED ONLY WHEN SPECIFIED. REINFORCED SOCKET IN LIEU OF REGULAR SOCKET SHALL BE FURNISHED ONLY WHEN SPECIFIED. 2.7. .DlMFNSlONS & TOLFRANE DIMENSIONS FOR INFORMATION PURPOSES ONLY. PRODUCTION DIMENSI

16、ONS & TOLERANCES IN ACCORDANCE WITH DISC DRAWING 02754. 2.8. IN THE MNT OF A CONFLICT BETWEEN THE TEXT OF THIS DOCUMENT AND THE REFERENCES CITED HEREIN, THE TEXT OF THIS DOCUMENT SHALL TAKE PRECEDENCE. 2.9. UNLESS OTHERWISE SPECIFIED, ISSUES OF REFERENCED DOCUMENTS ARE THOSE IN EFFECT AT THE TIME OF

17、 SOLICITTION. 5 PRONGS EQUALLY SPACED ONGED I 1p 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5562 1 I (MULTIPLE r “1 SOCKET SEGMENT OR FLOATING SPRING DESIGN OPTIONAL) i (REF) U I REINFORCED SOCKET TABLE I. DASH NUMBERS. DASH NO. 1 lBLACK I

18、 PLATE NICKEL I PRONGED RING I -18 I -IN I NOTE: PRONGED RING W/SOCKET OR PRONGED RING W/REINF. SOCKET CONSTITUTE THE FEMALE HALF OF STYLE 3 FASTENER. SOCKET I -28 1 -2N REINF. SOCKET I -38 I -3N 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-t- (

19、REF) - A-A-55621 BARREL OPTIONAL FLARED NECK OF (NOT SHOWN) STUD EYELET 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c t- I A-A-55621 i TABLE II. DASH NUMBERS. DASH NO. NICKEL IACK -4N -48 1 STUD PLATE EYLET I -58 I -5N REVERSIBLE STUD I -68 I -

20、6N NOTE: STUD AND EYELET CONSTITUTE THE MALE HALF SME 3 FASTENER. REVERSIBLE STUD, WHEN APPLICABLE, IS USED WITH PRONGED RING SHOWN ON SHEET 2. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-55621 7777774 0171700 3TT A-A-5562 1 3. OUALlTY CON

21、FORMANCE PROVISIONS: 3.1. THE SUPPLIERS SHALL BE RESPONSIBLE FOR THOSE IN PROCESS CONTROLS AND INSPECTIONS NECESSARY TO SUPPLY A PRODUCT CONSISTENTLY CONFORMING TO THE REQUIREMENTS OF THIS DOCUMENT. 3.2. UPON REQUEST, THE SUPPLIER WILL CERTIFY WITH DOCUMENTED TEST/INSPECTION EVIDENCE. THAT THE PARTS

22、 SUPPLIED MEET THE REQUIREMENTS OF THIS DOCUMENT. 4. NOTES: 4.1. DIMENSIONS ARE IN INCHES. 4.2. FASTENER SHALL BE FREE FROM BURRS, S&VAS. LAPS, LOOSE SCALE AND ANY OTHER DEFECTS THAT EFFECT SERVICEABILITY. 4.3. THE PART IDENTIFYING NUMBER (PIN) SHALL CONSIST OF THE BASIC CID NUMBER PLUS A DASH NUMBE

23、R TAKEN FROM TABLE I OR TABLE II. PRONGED RING. BRASS, BLACK DASH NUMBER (SEE TABLE I) BASIC CID NUMBER EXAMPLE 2: A-A- “.r? SOCKET, BRASS, NICKEL PLATE DASH NUMBER (SEE TABLE I) BASIC CID NUMBER EXAMPLE 3: A-A- STUD, BRASS, BLACK DASH NUMBER (SEE TABLE II) BASIC CID NUMBER EYELET, BRASS, NICKEL PLA

24、TE DASH NUMBER (SEE TABLE111 ) BASIC CID NUMBER TABLE 111. CROSS - REFERENCE TABLE. MILITARY INTERESTS CUSTODIANS NAW - AS ARMY - GL AIR FORCE - 99 CANCELLED MS PIN A-A-5562 1 - J/ MS27982 - * J/ REPUCEMENT CID PIN J/ * REPRESENTS THE SAME DESIGNATION CODES FOR BOTH MS AND CID PINS. PREPARING ACTMTY DU-IS (PROJECT: 5325-0325-05) RFVIFWFR: NAW - SA ARMY - AR, MI 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-