1、31-MAY 1972 MILITARY SPECIFICATION BELTS, AIRCRAFT SAFETY, LAP, TROOP, TYPES MD-1 AND MD-2 1. SCOPE 1.1 This specification covers two aircraft lap safety belts designated Types MD-1 and MD-2. 2. APPLICABLE DOCWdENTS 2.1 bids or request for proposal form a part of the specification to the extent spec
2、ified herein. The following documents of the issue in effect on date of invitation for SPECIFICATIONS Federal PPP-B-601 PPP-B-636 PPP-B-676 Military n-p-116 MIL-L-10547 MIL-Gl5040 STANDARDS MIL-STD-105 MIL-STD-129 MIL-STD-130 DRAWINGS Air Force 54HJ.9650 54H.9651 Boxes, Wood Cleated - Plywood Box, F
3、iberboard Boxes, Set Up Preservation, Methods Of Liners, Case, And Sheet, Overwrap; Water-Vaporproof Or Waterproof, Flexible Labels, Garment (Woven, Rayon ) Sampling Procedures And Tables For Inspection By Attributes Marking For Shipment And Storage Identification Marking Of US Military Property Bel
4、t - Aircraft Safety, Lap Belt - Aircraft Safety Lap, Type MD-2, Assembly Of FSC i680 Licensed by Information Handling ServicesMIL-B-3787 Lb m 7777906 Oq52277 T m MIL-B-83787(USAF) (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procu
5、rement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a part of this speci- fication to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bi
6、ds or request for proposal shall aPPiy NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION, INC. National Motor Freight Classification (Application for copies should be addressed to American Trucking Association, ATTN: Tariff Order-Section, 1616 P Street, NW, Washington DC UNIFORM CLASSIFICATION COMMITTEE Un
7、iform Freight Clas si f i cat ion Rules (Application for copies should be addressed to the Uniform C1 Committee, Room 202, Union Station, 516 W. Jackson Boulevard, 3. REQUIREMENTS 20036. ) ssificati n Chicago IL 60606. ) 3.1 General. The requirements specified on Drawings No. 54H19650 and 54Hl9651 s
8、hall form a part of this specification. conflict with this specification, the requirements of this specification shall govern. 3.2 Strength. Each troop lap belt shall be capable of withstanding a static load of 2,500 pounds without weakening of the webbing, or stitching, slippage of the webbing thro
9、ugh the adjusting hardware, or deformation of the metal fittings. When drawing requirements 3.3 Marking. located as shown on Drawings 54Hl9650 or 54Hl9651. These labels shall be in accordance with MIL-L-15040, Ty-pe I, size 1, except that the lettering shall consist of white letters on a black backg
10、round. direction of the warp of the label. shall be in accordance with MIL-STD-130, and shall read as follows: Each half of the belt shall be marked by means of a sewed label Lettering to read in the The information appearing on the label Belt, Aircraft Safety, Lap Troop Type MD-1 or MD-2 Specificat
11、ion No. MIL-B-83787(USAF) Stock No. Contract or Order No. Date of Manufacture Manufacturers Name or Trademark 3.4 Workmanship. constructed and finished in a thoroughly workmanlike manner. Particular attention shall be given to freedom of parts from burrs and sharp edges. The belt, including all part
12、s and accessories, shall be 2 Licensed by Information Handling Services4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. linless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein.
13、 Except as otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspection requirenents specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set fo
14、rth in the soecification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.2 Quality conformance inspection shall consist of: a. Individual tests b. Sampling plans and tests 4.2.1 Individual tests. following tests: Each lap safety belt
15、shall be subjected to the 4.2.1.1 Examination of product. Each belt shall be examined to determine conformance with this specification with respect to material, wn-kmanship, and markings. 4.2.1.2 Proof load. attaching the end metal fittings to one movable and one stationary head, with the quick rele
16、ase latch assembly closed. applied. slipping of the webbing through the metal. adjusters or deformation of any metal fittings in the belt assembly. 4.2.2 Periodic sampling tests. 4.2.2.1 g. essentially the same conditions and submitted for inspection at substantially the same time. Each belt shall b
17、e assembled in a testing machine by A proof load of 2500 pounds shall be “here shall be no evidence of weakening of the webbing or stitching, A lot shall consist of safety belts manufactured under 4.2.2.2 Ultimate load test. accordance with Level S4 of MIGSTD-105, AQL 0.40. assembled in the testing
18、machine (as described in 4.2.1.2) and subjected to a static load of 3250 pounds. stitching, slippage of webbing through the adjusting hardware, or deformation of the metal fittings shall be cause for rejection. thereof subjected to the ultimate load test shall be destroyed. 5. PREPARATION FOR DELIVE
19、RY Sampling for the ultimate load test shall be in Each sample belt shall be Any evidence of weakening of the webbing or Belts and components 5.1 Preservation and packagine hreservation and packaging shall be level A or Cy as specified (see 6.2). 5.1.1 Level A. Eachbelt shall be packaged Kethod III,
20、 in accordance with MIL-P-116, in a snug-fitting unit container conforming to PPP-B-676. 3 Licensed by Information Handling Services4 MIL-8-83787 Ib m 777770b 045i283 B MILB-83787 (USAF) :# 5.1.2 Level C. Belts shall be packaged to afford adequate protection against deterioration and physical damage
21、 during shipment from the supply source to the the first receiving activity. The supplier may use his standard practice when it meets these requirements. 5.2 PackinK. 5.2.1 Level A. exterior overseas type shipping containers conforming to PPP-13-636 or PPP-B-601. As far as practicable, exterior cont
22、ainers shall be of uniform shape and size, be of minimum cube and tare consistent with the protection required, and contain identical quantities. container shall not exceed the limitation of the container specification. Containers shall be closed and strapped in accordance with the applicable contai
23、ner specification or appendix thereto. PPP-B-601 shall be provided with a case liner conforming to MIL-L-10547 and sealed in accordance with appendix thereto. 5.2.2 Level B. domestic type shipping containers conforming to PPP-B-636 or PPP-B-601. Shipping containers shall be of minimum cube and tare
24、consistent with the protection required. uniform shape and size and contain identical quantities. each shipping container shall not exceed the limitation of the container specification. Containers shall be closed and strapped in accordance with the applicable container specification or appendix ther
25、eto. When fiberboard containers are used, such containers shalleet the si.ecia reli-irsments teble of PPP-B-S, as snplicable. Packing shall be level A, B or C as specified (see 6.2). Belts packaged as specified in 5.1.1 shall be packed in The gross weight of each shipping Containers conforming to Be
26、lts packaged as specified in 5.1.1 shall be packed in As far as practical, shipping containers shall be of The gross weight of 5.2.3 Level C. to insure carrier acceptance and safe delivery at destination at the lowest transportation rate for such supplies. niiorm Rcight Classification Rules or Natio
27、nal Motor Freight Classification Wes as applicable. 5.3 Merking of shiments. interior packages and exterior ShipDing containers &eil be marked in accordance with ML-sTD-l29. 6. NOTES Belts nackaged 88 sliecified in 5.1 shal be pncked in n mamer Containers shsllbe in accordance with 6.1 a. intended f
28、ar use to secure personnel in their aircraft seats. 6.2 rerm data. Procurcacat &aments should specify: The Type w-l and MD-2 safety belt covered by this specification is ae Title, nuiabar, and date or this rpcciflcatim. b. Type ot belt required. C. Applcable level of prnserntioa, packagiag, and packing. C1i.todi.n: Mal ActiYity: WFm-82 *Faice-82 Preparing Actrity: Air Force - 82 ProJect Bo. 16WF260 1 Licensed by Information Handling Services
