NAVY MIL-B-20269 E-1990 BUCKLES INSIGNIA AND PLAIN《徽章和简单带扣》.pdf
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1、+= HIL-B-20269E3 W 7777706 0457705 1 II INCH-POUND 11 MIL-B-20269E(MC) 26 NOVEMBER 1990 SUPERCEDING 28 January 1983 MIL-B-20269D(MC) MILITARY SPECIFICATION BUCKLES: INSIGNIA AND PLAIN This specification is approved for use by U.S.Marine Corps, Department of the Navy, and is available for use by all
2、Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers requirements for brass buckles for personnel of the U.S. Marine Corps. 1.2 Classification. The buckle shall be of the following types, as specified (see 6.2). Type I - Buckle, Insignia Type II - Buck
3、le, Plain 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. Unless otherwise specified, the following specifications, standards, and handbooks of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS)
4、 specified in the solicitation form a part of this specification to the extent specified herein. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to the Commanding General (PSE-C), Marine Corps Resea
5、rch, Development, and Acquisition Command, Washington, DC 20380, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC-NA FSC 8315 DISTRIBUTION STATEMENT A. Approved for public release; distribu- tion is unli
6、mited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SPECIFICATIONS FEDERAL PPP-B-676 MILITARY MIL-B-17757 STANDARDS FEDERAL - Box, Set-up. - Box, Shipping, Fiberboard (Modular: Sizes) FED-STD-151 - Metal, Test Methods. MILITARY MIL-STD-105 MIL-STD
7、-129 - Sampling Procedures And Tables For Inspection By Attributes. - Marking For Shipment And Storage (Unless otherwise indicated, copies of federal and military specifications and standards are available fromthe Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadel- phia,
8、 PA 19111-5094) 2.1.2 Other Government documents and publications. The following Government document forms a part of this specification to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. LAWS AND REGULATIONS U.S. Postal Service Manual (Applica
9、tion for copies of the manual should be addressed to the Superintendent of Documents, U. S. Government Printing Office, Washington, D. C. 20402.) 2.2 Non-Government mblications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified, the
10、issues of the documents which are DOD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation. 2 Provided by IHSNot for ResaleNo reproduction
11、or networking permitted without license from IHS-,-,-., 9 flIL-B-202bqE 83 999990b 0457907 5 UNIFORM CLASSIFICATION COMMITTEE, AGENT Uniform Freight Classification Rules (Application for copies should be addressed to the Uniform Classification Committee, Room 1106, 222 South Riverside Plaza, Chicago
12、, Illinois 60606.) NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION, INC., AGENT National Motor Freight Classification (Application for copies should be addressed to the American Trucking Association, Inc., Tariff Order Section, 1616 P. Street, N.W., Washington, D. C. 20026.) (Non-Government standards and
13、 other publications are normally available from the organizations that prepare or distribute the documents. These douments also may be available in or through libraries or other informational services.) 2,3 Order of precedence. In the event of a conflict between the text of this specification and th
14、e references cited herein, the text of this specification shall take precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Standard sample. Standard samples are furnished solely for guidance and in
15、formation to the contractor (see 6.3). Variation from this specification may appear in the sample, in which case the specification shall govern. 3.2 First article. When specified (see 6.2), the contractor shall furnish sample unit(s) for first article inspection and approval (see 4.4 and 6,4). 3.3 M
16、aterials. 3.3.1 Copper base allovs. When tested as specified in 4.6.2, the chemical composition of the copper base alloy from which the buckles, male catch, female catch, and keepers are stamped shall be 84.0 to 86.0 percent copper, 0.05 percent maximum lead, 0.05 percent maximum iron, 0.15 percent
17、maximum total other elements and the remaining percent zinc. The copper base alloys shall be free from pits, scale (including red oxide), dents, nicks, cracks, deep scratches, segregations, and foreign inclusions which cannot be removed in later processing. 3 Provided by IHSNot for ResaleNo reproduc
18、tion or networking permitted without license from IHS-,-,-3.3.2 Hard solder. Hard solder shall be a nonferrous alloy having a melting point of not less than 1,075OF. 3.4 Desian. The buckles shall be the Marine Corps design shown on Figures 1 and 2. Each buckle shall consist of a front plate with a m
19、ale catch soldered to the back, a female catch to be attached to the end of the the belt and two belt keepers. As an alternate to the design shown on Figures 1 and 2, the integral female catch may be made with 1/8-inch diameter wire or rod of material specified in 3.3.1 hard soldered on the back at
20、each square corner of the female catch. Each soldered end shall be located 1/16 inch maximum from the side edge of the female catch. When this alternate female catch is used, the inside opening shall be 13/32 inch wide and 1-7/8 inches long. The stamped design of the front plate for type I buckle sh
21、all be true impressions of the dies extracted from the hub furnished by the Government. 3.5 Hubs, dies and tools. A hub for type I buckle will be loaned to the contractor by the Government, The Government furnished hub shall be used only for making the contractors working dies. Upon completion of co
22、ntract, the hub shall be returned to a point designated by the contracting officer. The contractor shall be held responsible for the loss, damage, or mutilation of the hub while in his possession. Determination of cost of replacing the lost, broken, or damaged hub shall be made by the Government. Di
23、es and tools shall be furnished by the supplier and, unless otherwise specified, shall remain his property. The contractors dies shall be tooled and polished to remove any dents, nicks, scratches, or other imperfections. No alterations to the design shall be permitted. 3.6 Construction. Buckles shal
24、l be made of the materials specified herein and shall be constructed to include the components and construction details specified herein and as shown on Figures 1 and 2. A forcer shall be permitted to bring up the Marine Corps design and there shall be no sharp or rough edges or corners. The impress
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