1、5 -b 9 -21 MIL-B-q37B Ib 7797906 01186537 b M 22 NOV 85 SUPERSEDING MIL-B-843 7A(USAF ) 29 Mar 1957 MILITARY SPECIFICATION .- BELT, AIRCRAFT SAFETY, LAP, TROOP, TYPE MC-1A This specification is approved for use by the Department of the Air Force, and is available for use by all Departments and Agen-
2、 cies of the Department of Defense, - -_ 1. SCOPE 1.1 Scope. This specification covers a detachable aircraft lap safety belt designated type MC-1A 2. APPLICABLE DOCUMENTS * 2.1 Government documents. * 2.1.1 Specifications, standards, and handbooks. Unless otherwise speci- fied, the following specifi
3、cations, 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 specifica- tion to the extent specified herein. SPECIFICATIONS FEDERAL PPP-B-601 PPP-B-636 PPP-B-67 6 Boxe
4、s, Wood Cleated - Plywood. Boxes, Shipping, Fiberboard. Boxes, Set-up. MILITARY MIL-P-116 Preservation, Packing, Methods of. MIL-L-15040 Labels, Garmet, (Woven Rayon). STANDARDS MILITARY MIL-STD-105 Sampling Procedures and Tables for Inspection by MIL-STD-129 Marking for Shipment and Storage. MIL-ST
5、D-130 Attributes. Identification Marking of U.S. Military Property. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: the Engineering Division, San Antonio ALC/MMEDO, Kelly AFB, TX 78241 by using
6、the self addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC. 1680 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS 5 PAGES Licensed by Information Handling ServicesDRAW
7、ING U.S, Air Force 56E590 Belt - Aircraft Safety, Lap, Troop, Type MC-lA, Assembly of. (Copies of specifications, standards, handbooks, drawings, and publications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as direct
8、ed by the con- ttacting officer,) f: 2,1,2 Order of precedence, In the event of a conflict between the text of this specification and the references cited herein, the text of this specifi- cation shall take precedence, 2.2 Other publications. Unless otherwise specified, the following docu- ments of
9、the issue in effect on date of invitation for bids or request for pro- posal, form a part of this document to the extent specified herein. American Society for Testing and Materials (ASTM) D 3951 Standard Practice for Commercial Packaging. 1 (Application or copies should be addressed to the American
10、 Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103,) (Technical society and technical association documents are generally avail- able for reference from libraries, groups and using agencies, ) They are also distributed among technical 3, REQUIREMENTS 3.1 General, The requir
11、ements Specified on drawing 563590 shall form a part of this specification, specification, the requirements of this specification shall govern, When drawing requirements conflict with this 3.2 Strength, Each troop lap belt shall be capable of withstanding a static load of 2,500 pounds without weaken
12、ing of the webbing, or stitching, slippage of the webbing through the adjusting hardware, or deformation of the metal fittings, 3,3 Marking. Each half of the belt shall be marked by means of a sewed label located as shown on 563590, These labels shall be in accordance with MIL-L-15040, type I, on a
13、black background, lettering to read in the direction of the warp of the label, accordance with MIL-STD-130, and shall read as follows: The information appearing on the label shall be in Belt, Aircraft Safety, Lap Troop Type MC-1A Specification Nr, MIL-B-8437 (USAF) Stock Nr. Contract or Order Nr, Ba
14、te of Manufacture Manufacturers Name or Trademark 2 Licensed by Information Handling Servicesj 1 I l I I I I I I I MIL-B-84 3 7B (U CAF ) 3.4 Workmanship. The belt, including all parts and accessories, shall be constructed and finished in a thoroughly workmanlike manner. Particular atten- tion shall
15、 be given to freedom of-parts from burrs and sharp edges. 4. QUALITY ASSURANCE PROVISIONS * 4.1 Responsibility for inspection. Unless otherwise specified in the con- tract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except
16、as otherwise specified inthe contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirement speci- fied herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set
17、 forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Acceptance tests, Acceptance tests shall consist of: a. Individual tests. b. Sampling plans and tests. 4,l.l.l Individual tests. Each lap safety belt shal
18、l be subjected to the f o 1 lowing test s : 4.1.1.2 Examination of product. Each belt shall be examined to determine conformance with this specification with respect to material, workmanship, and markings. 4.1.1.3 Proof load. Each belt shall be assembled in a testing machine by attaching the end sna
19、p metal fittings to one moveable and one stationary head, with the quick release latch assembly closed. A proof load of 1,000 pounds shall be applied. There shall be no evidence of weakening of the webbing or stitching, slipping of the webbing through the metal adjusters or deformation of any metal
20、fittings in the belt assembly. 4.1.2 Periodic sampling tests. 4.1.2.1 - Lot. A lot shall consist of safety belts manufactured under essentially the same conditions and submitted for inspection at substantially the same time. 4.1.2.2 Ultimate load test. Sampling for the ultimate load test shall be in
21、 accordance with level L4 of the appendix to MIL-STD-105, with an AQL of 0.40. Each sample belt shall be assembled in testing machine (as described in 4.1.1.3)and subjected to a static load of 2500 pounds. weakening of the webbing or stitching, slippage or webbing through the adjust- ing hardware, o
22、r deformation of the metal fittings shall be cause for rejec- tion. Belts and components thereof subjected to the ultimate load test shall be destroyed. Any evidence of 3 Licensed by Information Handling Services- 999990b OIdb520 blll- . MIL-B-8437B(USAF) 5. PACKAGING 5.1 Preservation. Preservation
23、shall be level A or commercial as speci- fied (see 6.2). 5.1.1 Level A, 5.1.1.1 Cleaning. Belts shall be cleaned in accordance with MIL-P-116, process C-1, 5.1.1.2 Preservative applications. Preservatives shall not be used. 5,11;3 Unit packs. Unless otherwise specified (see 6.21, each belt shall be
24、individually unit packed in accordance with MIL-P-116, method lA, and packaging in containers meeting PPP-B-636, class domestic or PPP-B-676. 5.1.2 Comercial. The commercial Preservation of belts shall be in accord- ance with the requirements of ASTM D 3951, 5.2 Packing. Packing shall be level A, B
25、or commercial, as specified (see 6.2). 5.2.1 Level A. The packaged belts shall be packed in containers conform- ing to PPP-B-601, overseas type. with applicable container specification. Closure and strapping shall be in accordance 1 5.2.2 Level B. The packaged belts shall be packed in fiberboard con
26、- tainers conforming to PPP-B-636, class weather resistant, style optional or PPP-B-601, domestic type. applicable container specification or appendix thereto. Closure and strapping shall be in accordance with 5.2.3 Commercial. The packaged belts shall be packed in accordance with the requirements o
27、f ASTM D 3951. 5.3 Marking. In addition to any special or other identification marking required by the contract (see 6.2) each unit pack, intermediate and exterior container shall be marked in accordance with MIL-STD-129 or ASTM D 3951, as applicable. 6. NOTES 6.1 - Uses. The type MC-1A safety belt
28、covered by this specification is intended for use to secure troop personnel in their aircraft seats and is easily and quickly detachable if cargo only is to be carried in the aircraft. 6.2 Ordering data. Purchase requests and invitations for bids should specify whether domestic or export shipment is
29、 required. * 6.3 Changes from previous issue. The margins of this specification are marked with asterisks to indicate where changes (additions, modifications, corrections, deletions) from the previous issue were made. convenience only and the Government assumes no liability whatsoever for any inaccu
30、racies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irre- spective of marginal notations and relationship to the last previous issue. This was done as a t 4 Licensed by Information Handling ServicesMIL-B-8437B Lb
31、m 9799906 OLBb52L m MIL-B-8437B(USAl?) NOTICE: When Government drawings, specifications, or other data are used for any purpose other than in connection with a definitely related Government procurement operation, the United States Government thereby incurs no responsi- bility nor any obligation what
32、soever; and the fact that the Government may have formulated, furnished, or in any way supplied the said drawings, specifi- cations, or other data, is not to be regarded by implication or otherwise in manner licensing the holder or any person or corporation or conveying any right or permission to manufacture, use or sell any patented invention that may in any way be related thereto. P 1 . Cus tod ian : Air Force - 99 Preparing activity : Air Force - 82 (Project 1680-F513) 5 i. Licensed by Information Handling Services
