1、A-A-55437 m 9999974 01bq323 285 m - Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any other data which may improve this document should be sent by letter to: WR-ALC/LZMD, Robins AFB, GA 31098-1622. I INCH-POUND I A-A-5 543 7 13 June 1994 COMMERCIAL ITEM DESCRIP
2、TION COVER, POLYETHYLENE, PALLET, CARGO HCU-6/E AND HCU-12/E The General Services Administration has authorized the use of this Commercial Item Description as a replacement for MIL-C-83991A which is cancelled. Scope. This description covers three types (sizes) of polyethylene covers (bags) used in t
3、he protective covering of system 463L palletized military airlifted cargo. Classification. Polyethylene covers shall be one of the following types as specified. Type I - Cover, provides coverage for a 96 inch high load on a HCU-6/E Type II - Cover, provides coverage for a 72 inch high load on a HCU-
4、6/E Type III - Cover, provides coverage for a 72 inch high load on a HCU-lS/E pallet. pallet. pallet. Salient characteristics. 1. Material. Material used to fabricate bags shall be Linear Low Density Polyethylene which shall be the copolymer of ethylene and octene 1 having melt index of 1.0 plus or
5、minus 0.2 g per 10 minutes and a density of 0.920 plus or minus 0.002 g/cc. 2. Water vapor permeability. The water vapor permeability, tested in accordance with ASTM F-3, shall be 0.45 maximum. AMSC - N/A FSC - 3990 Distribution Statement A. Approved for public release; distribution is unlimited. Li
6、censed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55437 W 9999974 OLb4324 LLL A-A-5 5 43 7 3. Cover. Bags shall be formed from polyethylene tubing or flat film. The thickness of the film used shall be 0.003 in
7、ch. The seams of the formed bag (back and bottom as required) shall be effected either by an electronic seal, thermal impulse or other heat seal methods. All seams shall be straight and continuous and shall be parallel to each other and to the formed edges of the bag. The tensile strength of the for
8、med seams shall be a minimum of 60% of the tensile strength of the film itself. Bottom seams and the side seams if used, shall be positioned along the edges of the bag with the gussets either in closed position or in the open (extended) position. 4. Load dimensions. Load dimensions shall be outside
9、measurements. A polyethylene cover (bag) shall cover loads of the following dimensions: Tvpe Baq Type 1 Type II Type III 5. Cover size. be as follows. Tvue Baq Type 1 Type II Type III Outside load Dimensions 112 inches long, by 90 inches wide, by 96 inches high 112 inches long, by 90 inches wide, by
10、 72 inches high 88 inches long, by 54 inches wide, by 72 inches high Bag type shall be supplied as specified. Cover dimensions shall Dimensions Size 202 +/- 2 inches lay flat width, gussetted to 106 inches face width by 96 inches gusset, by 141 +/- 1 inch long inside measurement Size 202 +/- 2 inche
11、s lay flat width, gussetted to 106 inches face width by 96 inches gusset, by 117 +/- 1 long inside measurement Size 144 +/- 2 inches lay flat width, gussetted to 88 face width by 54 inches gusset, by 99 +/- 1 inch long measurement 6. Workmanshiu. The fabricated bag shall be free from cuts, tears, cr
12、eases, cracks or other imperfections which might impair its usefulness. The bag shall be free from dirt, grit or other uncleanness and shall not block to the extent that it cannot be readily handled manually. Requlatorv Requirements. The offeror/contractor is encouraged to use recovered materials to
13、 the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). Metric Products. Products manufactured to metric dimensions will be considered on an equal basis with those manufactured using inch-pound units, provided they fall within specified toler
14、ances using conversion tables contained in the latest version of Federal Standard No. 376, and all other requirements of this Commer- cial Item Description are met. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55437 9999974 O364325 058 = A-A
15、- 5 54 3 I If a product is manufactured to metric dimensions and those dimensions exceed the tolerances specified in the inch/pound units, a request should be made to the contracting officer to determine if the product is acceptable. The contracting officer hac the option of accepting or rejecting t
16、he product. Contractor certification. The contractor shall certify and maintain substantiat- ing evidence that the product offered meets the salient characteristics of the Commercial Item Description, and that the product conforms to the producers own drawings, specifications, standards, and quality
17、 assurance practices. The government reserves the right to require proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract. Preservation, packaqins, p ackinq and markinq. Preservation, packaging, packing and marking for s
18、hipment shall be in accordance with American Society for Testing and Materials (ASTM) D 3951 or as specified in the contract or order. Notes. Addresses for obtaininci reference documents. ASTM D 3951, ASTM F-3 American Society for Testing and Materials 1916 Race St. Philadelphia PA. 19103 Orderins D
19、ata a) Title, number, and date of this description. b) Type of bag c) Specify special packaging requirements. d) Contracting officer may request proof of certification of commercial item prior to first contract delivery. National Stock Number. The following NSNs have been assigned. Type 1 3990-00-930-1480 Type 11 3990-00-930-1481 MILITARY INTEREST: Custodians Air Force - 99 PREPARING ACTIVITY: Air Force - 84 AGENT: DLA-GS Project No.: 3990-0226 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
