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    DLA A-A-55522 A-2001 BARBED TAPE CONCERTINA《装有倒钩带的六角形手风琴》.pdf

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    DLA A-A-55522 A-2001 BARBED TAPE CONCERTINA《装有倒钩带的六角形手风琴》.pdf

    1、 INCH-POUND A-A-55522A 30 November 2001 SUPERSEDING A-A-55522 28 April 1997 COMMERCIAL ITEM DESCRIPTION BARBED TAPE, CONCERTINA The General Services Administration has authorized the use of this Commercial Item Description (CID) for all federal agencies. 1. SCOPE. This CID covers concertina barbed t

    2、ape herein known as concertina, for barbed tape entanglements. These entanglements may serve as a tactical personnel obstacle for temporary military positions. 2. SALIENT CHARACTERISTICS. 2.1 Material. The concertina shall be made of material as specified below and shall be subject to all provisions

    3、 of this CID: a. Barbed tape Galvanized steel wire per ASTM A653, G60 G90 coating. b. Core wire Galvanized steel wire per ASTM A764, Finish 2, Class II, Type B, with a minimum tensile strength of 220,000 psi. 2.2 Design and construction. Concertina shall be designed and constructed to conform to the

    4、 requirements specified herein and in table 1. Concertina shall be capable of being rapidly and easily deployed and recovered for barbed wire entanglements. Concertina shall consist of a coil of single-strand-core wire fitted with barbed tape. When extended to a coil the concertina shall be placed i

    5、n spiral turns connected by clips so as to form a cylindrical diamond pattern. One end turn of coil shall be fitted with four bundling wires for securing the coil when closed, and each turn shall be fitted with two carrying loops. Table 1. Dash number and design characteristics. Dash Number Diameter

    6、 at the centerline in. (mm) Length per roll extended ft (mm) Minimum Number of loops per roll Maximum overall height (laid flat) 1 36 (914) 1(25.4) 50 (15) 1 (.3) 50 12 (305) 2 40 (1016) 1 (25.4) 1/ feet = ft, meter = m 2.3 Carrying Loops. Two diametrically opposite carrying loops shall be attached

    7、to each one end turn. The carrying loops shall provide a hand grasp area of at least 6 inches (152 mm) in length by 3 inches (76 mm) in width. Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data which may improve this document should be sent to: Commander,

    8、Defense Supply Center Philadelphia, ATTN: DSCP- ITD, 700 Robbins Avenue, Philadelphia Pa. 19111-5096. AMSC N/A FSC 5660 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-

    9、A-A-55522A 2 2.4 Bundling wire. The four bundling wires shall be permanently attached to end turn of the concertina, one near each carrying loop, and two approximately 90 from the carrying loops. The wire shall be wrapped once around the coil and both ends shall be securely twisted together leaving

    10、not less than 2 inches free for untying of the concertina. 2.5 Concertina furnished, as a minimum, shall be able to withstand the following tests: 2.5.1 Clinching barbed tape. The barbed tape shall be continuously clinched around the core wire. The barbed tape shall not disengage from the core wire

    11、when a force of 100 pounds (445 newtons) is applied to the unsupported barb of concertina. 2.5.2 Corrosion resistance. A 6 inch (152 millimeters) long piece of concertina and a clip shall be subject to a continuous salt spray test in accordance with ASTM B117, for not less than 120 hours. No signs o

    12、f blistering, white corrosion or base metal corrosion products shall be apparent on the concertina at the conclusion of the test. 3. QUALITY CONFORMANCE PROVISIONS. 3.1 Product conformance. The product provided shall meet the salient characteristics of this Commercial Item Description, conform to th

    13、e producers own drawings, specifications, standards, and the quality assurance practices, and be the same product offered for sale in the commercial market. The government reserves the right to require proof of such conformance. 4. NOTES. 4.1 Unless otherwise specified, all dimensions are in inches.

    14、 4.2 Unless otherwise specified in the contract or purchase order, packaging shall be in accordance with ASTM D3951. 4.3 The following part or identification numbering procedure is for government purposes and does not constitute a requirement for the contractor. The Part Identification Number (PIN)

    15、shall consist of the basis Commercial Item Description number followed by a dash number from table1: EXAMPLE: AA55522 1 Dash number from table 1 Basic CID number 4.4 Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Military interest: Custodians: Preparing Activity: Air Force 99 DLA IS DLA - IS (Project 5660 0125) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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