1、*i- y - 5 MIL-B-21154C 4 9999906 0467233 b 8 FEBRUARY 1991 SUPERSEDING MIL-B-21154B(MC) 12 September 1972 MILITARY SPECIFICATION BELTS, MILITARY POLICE: COTTON WEBBING; WHITE This specification is approved for use by all Departments and 1. SCOPE Agencies of the Department of Defense. 1.1 Scope. This
2、 specification covers the requirements for an 1.2 Classification. adjustable belt made of heavy cotton webbing. following classes as specified (see 6.2): The belts shall be of one type in the Class 1 - With insignia buckle, belt fasteners, keepers and slide. Class 2 - Without insignia buckle, belt f
3、asteners, keepers and slide. Class 3 - With hook type belt fastener. Unless otherwise specified herein, requirements shall apply to all classes. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to th
4、e Commanding General (PSE-C), Marine Corps Research, 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 8465 DISTRIBUTION STATEMENT A. dis
5、tribution is unlimited. Approved for public release; Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-B-21L54C 84 9999906 04b7234 8 pp 43 2. APPLICABLE DOCUMENTS 2-1 Government documents. 2.1.1 Specifications, standards, and handbooks. Unless oth
6、erwise 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) specified in the solicitation form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERA
7、L A-A- 5 O 19 9 UU-P-26 8 uu-P-553 DDD-L-2 O MILITARY MIL-F-411 MIL-W-530 MIL-B-17757 MIL-H-2 1155 MIL-T-43566 STANDARDS FEDERAL FED-STD-751 MILITARY MIL-STD-105 MIL-STD-129 - Thread, Polyester Core, Cotton or Polyester - Paper, Kraft, Wrapping - Paper, Wrapping, Tissue. - Label; for Clothing, Equip
8、age, And Tentage, (General Use). covered - Fasteners, Belt; Clip, End Strap with Hook, and - Webbing, Textile, Cotton, General Purpose, - Box, Shipping, Fiberboard (Modular sizes). - Hardware For Belt, Military Police, - Tape, Textile, Cotton, or Polyester, General Keepers, Slide Natural Or In Color
9、s. Purpose, Natural Or In Colors, - Stitches, Seams And Stitchings. - Sampling Procedures And Tables For Inspection - Marking For Shipment And Storage. By Attributes. (Unless otherwise indicated, copies of federal and military specifications and standards are available from the Standardization Docum
10、ents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.1.2 Other Government documents and Dublications. The 0 following other Government documents and publications form a par
11、t 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 (Application for copies of the manual should be addressed to the Superintendent of Documents, U. S. Government Printing
12、 Office, Washington, D. C. 20402.) 2.2 Non-sovernment Dublications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DoDISS cited in the solicit
13、ation. Unless otherwise Specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). UNIFORM CLASSIFICATION COMMITTEE, AGENT Uniform Freight Classification Rules (Application for copies should be addressed to the Uniform Classificat
14、ion Committee, Room 1106, 222 South Riverside Plaza, Chicago, 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
15、.W., Washington, D. C. 20026.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. libraries or other informational services.) These doments also may be available in or through 2.3 Order of precedence. In the event
16、of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. this document, however, supersedes applicable laws and regulations unless a.specific exemption has been obtained Nothing in . 3. REQUIREMENTS a 3 Provided by IH
17、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.1 Standard Sample. Samples are furnished solely for guidance and information to the supplier (see 6.3). Variation from this specification may appear in the standard sample, in which case the specification shall gov
18、ern. 3.2 First article. Unless otherwise specified (see 6.2), before production is commenced, finished belts shall be submitted, or made available to the contracting officer or his authorized representative for approval. The approval of the first article authorizes the commencement of production but
19、 does not relieve the contractor of responsibility for compliance with all applicable provisions of the specification. The first article shall be manufactured by the contractor in the same facilities to be used for the manufacture of the production items. 3.3 Materials. 3.3.1 Webbins. The webbing sh
20、all be cotton, bleached, type IV, class 2, 3.4 ounces per linear yard, 2-1/4 inches wide conforming to MIL-W-530. 3.3.2 TaRe. The tape for binding the ends of the belt shall be cotton, bleached, 7/8 inch wide conforming to type I, class 2 of MIL-T-43566. 3.3.3 Thread, polvester. The thread for seami
21、ng and stitching the binding shall conform to type II, ticket No. 16, 4 ply of A- A-50199. The thread shall be white shade AG, cable NO. 66049. 3.3.4 Hardware. The hardware components for all classes shall conform to MIL-H-21155 which includes the class 1 Marine Corps insignia buckle. The class 3 be
22、lt fastener shall be brass conforming to type I, style 2, construction A of MIL-F-411, except that the fastener shall be alloy A3 brass of QQ-C-390 and polished to a mirror like finish. 3.4 Desicm. The belts shall be the U. S. Marine Corps design shown in Figure 1, consisting of a 50-inch length of
23、heavy webbing bound on each end with lightweight tape, one female snap fastener (cap and socket) for attaching an ammunition magazine carrier to the belt, and four male and female snap fasteners (cap, socket, stud, and post) for securing the bound ends to the belt. The class 1 belt shall have a buck
24、le (with detachable Marine Corps insignia and two belt fasteners for the ends of the belt), two metal keepers and one metal slide assembled thereon as shown in Figure 1. The class 3 belt shall contain the same hardware as the class 1 belt except the buckle will be replaced by a polished brass hook s
25、tyle belt fastener (see 3.3.4). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. flIL-B-2L154C 4 W 99Ob 0467237 3 = 3.5 Construction. The construction of the belts shall conform 3.5.1 Stitches, seams and stitchinus. The stitch, seam and to Figure
26、1 and the following. stitching types specified herein shall conform to FED-STD-751. Stitch type 301 and seam type BSA-1 shall be used to bind the ends of the belt. Seam and stitching shall be done with 7 to 8 stitches per inch. 3.5.1.1 Tackinu and backstitchins. Thread breaks in stitching shall be b
27、ackstitched not less than 1 inch at each break. Thread tension shall be maintained properly so that there will be no loose stitching and that the lock will be imbedded in the center of the materials sewed. Ends of seam and stitching shall be securely backtacked. 3.5.2 Bindinu ends of belts. Turn end
28、s of binding to inside of belt. Stitch ends of binding to belt as shown in Figure 1. The folded width of the binding shall be equal on both sides of the finished belt. The binding shall be turned smoothly and tightly over the top and bottom edges of the belt and the raw ends of the binding shall mee
29、t at the center of the belt. Binding shall then be stitched as shown in Figure 1, 3.5.3 Settinu of snap fasteners. The holes for the male part of the fasteners shall be formed when the fasteners are driven into the material. When a hole is punched before inserting the female snap fastener, it shall
30、be smaller than the outside diameter of the fastener tube so that the tube must be forced through the hole. All fasteners shall be securely clinched. 3.5.4 Assemblv of class 1 and class 3 belts. The hardware components specified for class 1 and class 3 belts in 3.3.4 shall be assembled thereon as sh
31、own in Figure 1. stenciled on the inside of the belt and shall conform to type IV, class 5 of DDD-L-20. containing the required marking information legibly printed or stamped in black may be inserted in the polyethylene bag. 0 3.6 Markinu. The following marking shall be printed or As an alternate, a
32、 white paper label Nomenclature Contract Number Name of contractor Stock number 3,7 Finished measurements. The finished belts shall conform to the measurements shown in Figure 1. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-B-ZLL5YC BY 9999
33、9Ob OYb7238 5 I 7 3.8 Workmanship. The finished belt shall conform to the quality of product established by this specification. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the perfo
34、rmance of all inspection requirements (examinations and tests) as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved
35、 by the government. The government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Responsibility for compliance. All items must meet all requirem
36、ents of sections 3 and 5. The inspection set forth in this specification shall become a part of the contractors overall inspectipn system or quality program. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring that all pr
37、oducts or supplies submitted to the Government for acceptance comply with all requirements of the contract. inspection, as part of manufacturing operations, is an acceptable practice to ascertain conformance to requirements, however, this does not authorize submission of known defective material, ei
38、ther indicated or actual, nor does it commit the Government to acceptance of defective material. Sampling 4.1.2 Certificate of compliance. Where certificates of compliance are permitted, the Government reserves the right to check test such items to determine the validity of the certification. 4.1.3
39、Classification of inspection. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.4) b. Quality conformance inspection (see 4.5) 4.3 Inspection conditions. Unless otherwise specified all isnpections shall be in accordance with the test condition
40、s specified in MIL-STD-1494. 4.4 First article inspection. When a first article is 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c 1. MIL-B-ZL154C =I 84 9999906 0467239 7 required (see 6.2), it shall be examined for the defects specified in 4.5.3
41、.1 and 4.5.3,2. The presence of any defect or failure to pass any test shall be cause for rejection of the first article. The number of units to be inspected shall be specified by the contracting officer (see 6.2). 4.5 Qualitv conformance inspection. 4.5.1 Component and material inspection. In accor
42、dance with 4.1 above, components and material shall be tested in accordance with all requirements of referenced specifications, figures and standards unless otherwise excluded, amended, modified or qualified in this specification or applicable purchase document. 4.5.2 In-process inspection. Inspecti
43、on shall be performed during the manufacturing of the end item for the following defects. The sample unit shall be one unassembled belt. The inspection level shall be S-3 (see 6.5). Examine Defect Holes punched to receive Not in conformance with female snap fasteners requirements specified in 3.5.3
44、Cut length of belt Not within tolerances specified herein. The Government reserves the right to determine the acceptability of construction methods not performed in accordance with specified requirements for operations. examined for the defects listed in 4.2.3.1. The sample unit shall be one complet
45、ely fabricated belt. The inspection level shall be S-1 (see 6.5). as follows: 4.2.3 Examination of the end item. The end item shall be 4.2.3.1 General defects. General defects shall be classified 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_- M
46、IL-B-2LL54C 84 I 999990b 04b7240 3 Examine Webbing or tape Defect Hole, cut, or tear. Classification Minor Hardware Seams and stitching Notfirmly and tightly woven;. edge frayed or scalloped. Other webbing defects: -seriously affecting service- -affecting serviceability or ability or appearance. app
47、earance but not seriously. Not assembled as specified. Not specified type. Broken or malformed; burr or sharp edge which may cause injury in handling. Finish not as specified: -seriously affecting service- ability or appearance. -affecting serviceability or appearance but not seriously. Open seams:
48、1/2 inch or less. More than 1/2 inch. Maior 101 102 103 104 105 106 107 108 NOTE: A seam shall be classified as open when me or more stitches joining a seam are broken or when 2 or more continuous skipped stitches or run-Offs occur. 201 202 0 203 Run-of f s (see open seams) Wrong seam or stitch type
49、. Stitch tension loose, resulting in a loosely exposed top or bobbin thread, or tight, resulting in excessive tightnes of webbing on seams. 109 204 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-d -. MIL-B-23154C 84 W 9999906 0467243 5 W NOTE: Thread open seams. Components and assembly Cleanness -One or two stitches less than minimum specified. -Three or
