1、MIL-B-L963J 3 999790b 0372b3 b I 6-$3-JG- MIL-B-1963J 29 July 1988 SUPERSEDING MIL -B - 1 9 63 H 20 August 1980 MILITARY SPECIFICATION BUCKLES; AND CLIPS, END, STRAP (FOR BELT, TROUSERS) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1
2、 Scope. This document covers buckles and end clips (see 6.1). 1.2 Classification. Buckles and clips shall be of the following types, c classes, sub-classes, and sizes as specified (see 6.2): Type I - Buckle (closed front) Sizes : - 1-1/8 inch - 1-5/16 inch Class 1 - Yellow brass Sub-class A - Lacque
3、r coated Sub-class B - Chromium plated Class 2 - Nickel silver Type II - Buckle (open front) Size - 1-1/4 inch Class 1 - Yellow brass Class 2 - Steel Size - 1-5/16 inch Class 3 - Red brass I Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in imp
4、roving this document should be addressed to: U.S. Army Natick Research, Development, and Engineering Center, Natick, MA 01760-5014 by using the self- addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 8315 DISTRIBUT
5、ION STATEMENT A. Approved for public release; distribution is unlimited. E THIS DOCUMENT CONTAINS 20 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-LSb3J 3 W S7SSSOb 0372637 B W MIL-B-1963J Type III - Clip - 1 inch - 1-1/4 inch Sizes: C
6、lass 1 - Yellow brass Sub-class A - Mirror finish . Sub-class B - Black enamel finish Class 2 - Nickel silver Size - 1-1/4 inch Class 3 - Red brass Class 4 - Steel Sub-class A - Brass plated Sub-class B - Black enamel finish 2. APPLICABLE DOCUMEMS 2.1 Government documents. * 2.1.1 Specifications, st
7、andards, and handbooks. The following specifications, standards, and handbooks form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Stand
8、ards (DODISS) and supplement thereto, cited in the solicitation. . SPECIFICATIONS FE DER AL QQ-B -6 1 3 QQ-C-320 QQ-N-290 QQ-W-32 1 TT-E -5 2 9 PPP-B-26 PPP -B -6 3 6 PPP -B -67 6 PPP-T-45 - Brass, Leaded and Nonleaded: - Chromium Plating (Electrodeposited) - Nickel Plating (Electrodeposited) - Wire
9、, Copper Alloy - Enamel, Alkyd, Semigloss - Bag, Plastic (General Purpose) - Boxes, Shipping, Fiberboard - Boxes, Setup - Tape, Gummed, Paper, Reinforced and Plain, For Flat Products (Plate, Bar, Sheet, and Strip) Sealing and Securing MILITARY MIL-F-495 - Finish, Chemical, Black, For Copper Alloys M
10、IL-B-833 MIL-L-35078 - Loads, Unit: Preparation of Semiperishable - Belt, Trousers, Cotton Webbing, with Clip Subsistence Items; Clothing, Personal Equipment and Equipage; General Specification For 2 Q u a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
11、,-,-MIL-B-1963J STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection MIL-STD-129 - Marking for Shipment and Storage MIL-STD-147 - Palletized Unit Loads by Attributes (Copies of specifications, standards, and handbooks required by contractors in connection with specific acqu
12、isition functions should be obtained from the “ contracting activity or as directed by the contracting activity.) 2.1.2 Other Government documents, drawings, and publications. The of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on
13、 the date of the solicitation. following other Government documents, drawings, and publications form a part DRAWINGS U.S. ARMY NATICK RESEARCH, DEVELOPMENT, AND ENGINEERING CENTER 2-4-57 - Buckles-; and Clips, End, Strap (For Belt, Trousers); Type I, (Closed Front) Buckle, Sizes 1-1/811 and 1-5/1619
14、 Class 1 and 2 Type III, Clip, End, Strap, Size 1“ and 1-1/411, Class 1, 2, 3, and 4 2-4-63 - Buckles; and Clips, End, Strap (For Belt, Trousers); Die Cut Card for Mounting End Clip 2-4-64 - Buckles; and Clips, End, Strap (For Belt, Trousers); Type II, (Open Front) Buckle, 1-5/16 Inch Size, Glass 3
15、Type II, (Open Front) Buckle, 1-1/4 Inch Size, Class 1 and 2 2-4-58 - Buckles; and Clips, End, Strap (For Belt, Trousers); 4-1-436 - Buckles; and Clips, End, Strap (For Belt, Trousers); (Copies of drawings, publications, and other Government documents required by contractors in connection with speci
16、fic acquisition functions should be obtained from the contracting activity or as directed by the contracting activity. 1 * 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which a
17、re DOD adopted shall be those listed in the issue of the DODISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS shall be the issues of the nongovernment documents which are current on the date of the solicitation. 3 _- -. - Provided by IHSN
18、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-1963J AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) A 109 A 366 B 122 B 633 D 395 E 18 - Steel, Carbon, Cold-Rolled Strip - Steel, Carbon, Cold-Rolled Sheet, Commercial Quality - Copper-Nickel-Tin Alloy, Copp
19、er-Nickel-Zinc Alloy (Nickel Silver) and Copper-Nickel Alloy Plate, Sheet, Strip, and Rolled Bar - Electrodeposited Coatings of Zinc on Iron and Steel - Standard Practice for Commercial Packaging - Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials (Copies should be obtained f
20、rom the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187.) (Nongovernment standards and other publications are normally available from the organizations which prepare or which distribute the documents. These documents also may be available in or through libra
21、ries or other informational services i 1 * 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and reg
22、ulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified in the contract or purchase order, a sample shall be subjected to first article inspection (see 4.3, 6.2, and 6.3). 3.2 Materials. Materials shall conform to applicable documents and requirement
23、s specified herein (see 6.6). 3.2.1 Copper base alloys. 3.2.1.1 Brass sheet or strip. Sheet or strip shall conform to copper alloy Nos. 230, 260, or 268 of QQ-B-613. as specified herein. Temper shall be as shown on drawings, or 3.2.1.2 Nickel silver. Nickel silver shall conform to UNS No. 75200 of A
24、STM B 122. 3.2.1.3 Wire, copper. Copper wire shall conform to alloy Nos. 260 or 270, 1/8 hard temper of QQ-W-321. * 3.2.2 Steel, sheet and strip. Steel shall conform to cold rolled, chemical composition within the range of steel numbers 1009-1020 of ASTM A 109 or A 366. Temper shall be as shown on d
25、rawings and as specified herein. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-1963J 83 779770b 0372b112 8 MIL -B - 1 9 6 3 J 3.2.3 Lacquer. The lacquer shall be clear, synthetic and colorless, except as otherwise specified herein (see 3.4.
26、3.4.1). * 3.2.4 Enamel. Enamel shall be black conforming to TT-E-529. * 3.3 Construction and performance. Buckles and clips shall be constructed in accordance with the design, details, and dimensions shown on the applicable drawings and as specified herein. The buckles and clips shall be free from d
27、igs or gouges, burrs, slivers, sharp edges, dents, or tool marks. The buckle clamps, rollers, and tongues shall be tested as specified in 4.4.5 and when a pull of 35 pounds is applied, shall hold fast with no more than 1/4 inch of belt slippage and no permanent deformation. I 3.3.1 Type I buckles. 8
28、 3.3.1.1 Class 1. All components of the class 1 buckles except roller shall be made from copper alloy Nos. 260 or 268 specified in 3.2.1 .l, 1/4 hard temper. The roller shall be made from copper wire specified in 3.2.1.3. * 3.3.1.2 Class 2. The front piece, back plate, clamp, and roller shall be mad
29、e from nickel silver specified in 3.2.1.2. Wire for the roller shall be 118 hard temper. 3.3.2 Type II buckles. 3.3.2.1 Size 1-1/4 inch. The buckle shall be tested for function as 6, specified in 4.4.5, with belt webbing as shown on Drawing 2-4-64. shall lie flat on top of tongue when tongue is snap
30、ped down in locked position. The webbing 3.3.2.1.1 Class 1. Class Nos. 260 or 2mspeoified in 3.3.2.1.2 Class 2. Class 3.2.2. 3.3.2.2 Size, 1-5/16 inch made from copper allos No. 2 except that i/4 hard temper 1 buckles shall be made from copper alloy 3.2.1.1. 2 buckles shallbe made from steel specifi
31、ed in class 3. Class 3 buckle components shall be O, 1/4 hard temper brass specified in 3.2.1.1 s not required for the buckle body and ratchet The buckle shall be tested for function as specified in 4.4.5, with back. belt webbing as shown on Drawing 2-4-64. tongue when tongue is snapped down in lock
32、ed position. The webbing shall lie flat on top of 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-L963J 3 - 9999906 03726113 T - MIL-B-19635 3.3.3 Type III clips. Type III clips shall be formed with the smooth edge of the metal (see 6.5) on t
33、he outside of the clip. The size 1-1/4 inch clip when affixed to 1-1/4 inch wide belt webbing and tested as specified in 4.4.5 shall thread through a type I or II buckle, size 1-1/4 inch or 1-5/16 inch and of any class specified herein without binding or forcing. The size 1 inch clip when affixed to
34、 1 inch wide belt webbing and tested as specified in 4.4.5 shall thread through a type I, 1-1/8 inch buckle of any class without binding or f orcing . 3.3.3.1 Class 1. Class 1 clips shall be made from copper alloy No. 260 or 268, 1/4 hard temper brass specified in 3.2.1.1 3.3.3.2 Class 2. Class 2 cl
35、ips shall be made from nickel silver specified in 3.2.1.2, and shall have a hardness of 75 to 78.5 on the Rockwell 15T scale Testing for hardness shall be as specified in 4.4.5. 3.3.3.3 Class 3. Class 3 clips shall be made from copper alloy No. 230 1/4 hard temper brass specified in 3.2.1.1. 3.3.3.4
36、 Class 4. Class 4 clips shall be made from steel specified in 3.2.2, 1/2 hard temper. * 3.4 Finlsh. Finish requirements for buckles and clips shall be in accordance with the samples furnished by the procuring activity. Prior to finishing, all buckles and clips shall be thoroughly cleaned in accordan
37、ce with comercial practice and shall be free from corrosion, foreign matter, and discoloration. Use of prepolished brass is prohibited. 3.4.1 Type I buckles. 3.4.1.1 Class 1 sub-class A. The outside face and two edge surfaces of the front piece and the exposed surface of the roller of class 1, sub-c
38、lass A buckles shall be given a mirror-like polished finish. The back plate and clamp shall be bright-dipped or ball-burnished finish. The completed buckle shall be lacquered with lacquer specified in 3.2.3, and as specified in 3.4.4. 3.4.1.2 Class 1, sub-class B. The outside face and two edge surfa
39、ces of the front piece and the exposed surface of the roller of class 1, sub-class B buckles shall be given a mirror-like polished finish. The back plate and clamp shall be bright-dipped or ball-burnished finish. nickel-plated in accordance with class 1, grade G of QQ-N-290 followed by chrome platin
40、g in accordance with class 1, type I of QQ-C-320 except the thickness shall be 0.000015 inch minimum. The outside face and two edge surfaces of the front piece and the ends of the roller shall be polished to a uniform mirror-like finish. The buckle shall be 6 7 /I- - -_ ! Provided by IHSNot for Resa
41、leNo reproduction or networking permitted without license from IHS-,-,-MIL-B-1763J 83 O 977770b 0372644 1 m MIL-B-1963 J 0 * 3.4.1.3 Class 2. The outside face and two edge surfaces of the front and back piece and the exposed surfaces of the roller of class 2 buckles shall be given a satin finish in
42、accordance with the satin finish sample furnished by the contracting activity (see 6.4). The scratch pattern shall be parallel to the long dimension edge of the buckle. 3.4.2 Type II, buckles. 3.4.2.1 Size 1-1/4 inch. 3.4.2.1.1 Class 1. Class 1 buckles shall be given a black chemical finish c confor
43、ming to MIL-F-495, except that the gloss shall be 40 maximum. shall be estimated visually against a black panel that has a gloss of 40. The gloss * * 3.4.2.1.2 Class 2. Class 2 buckles shall be given a phosphate treated zinc plate conforming to type IV (with a thickness of 8 micrometers) of ASTM B 6
44、33, followed by bake enameling. The enamel shall be as specified in 3.2.4. The enamel coating shall level out to a uniform dry film thickness without orange peel, wrinkles, drops, streaks, peeling or flaking, specks, scratches, foreign matter, or areas of no film. 3.4.2.2 Size 1-5/16 inch. 3.4.2.2.1
45、 Class 3. The tongue, ratchet back, and ratchet shall be bright- dipped or barrel-burnished. The face and edge surfaces of the body shall have a mirror-like polished finish or ball-burnished finish. The back of the body shall be buffed smooth. 3.4.3 Type III clips. 3.4.3.1 Class 1. 3.4.3.1.1 Sub-cla
46、ss A (mirror finish). All outside surfaces shall be given a mirror-like polished finish and then lacquered with lacquer specified in 3.2.3 and as specified in 3.4.4. lacquered. The inside surfaces of the clip may also be 3.4.3.1.2 Sub-class B (black enamel finish). The entire clip shall be given a c
47、hemical dark oxide treatment in preparation for enameling. The final rinse stage shall be carefully conducted to remove alkaline residue and drying shall be thorough The exterior surface and all edges shall be, and the interior may be, coated with enamel specified in 3.2.4, and baked. The finish sha
48、ll be smooth, uniform and continuous, without orange peel, wrinkles, drops, streaks, peeling or flaking, specks, scratches, or foreign matter. When tested as specified in 4.4.5, the enamel shall withstand clinching of the end clip to the belt without flaking, chipping, or showing signs of cracks in
49、the finish and without perceptible loss in adhesion to the point where the enamel can be removed by a thumbnail. * 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-B-17b3J 03 W 777770b 0372b45 3 MIL-B-1963 J 3.4.3.2 Class 2. All outside surfaces of the class 2 clip shall be given a satin finish in accordance with the satin finish sample furnished by the contracting activi
