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    ARMY A-A-52056-1990 TWINE FIBROUS LINEN (WAXED AND BLOCKING)《麻包线(涂蜡闭锁)》.pdf

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    ARMY A-A-52056-1990 TWINE FIBROUS LINEN (WAXED AND BLOCKING)《麻包线(涂蜡闭锁)》.pdf

    1、I INCH-POUND 1 A-A-5 205 6 April 9, i990 COMMERCIAL ITEM DESCRIPTION TWINE, FIBROUS, LINER, (WAXED AND BLOCKING) The General Services Administration has authorized the the use of this ommercictl Item Description in pre- ference to Types I and II of Military Specification MIL-T-2520D. 1. CLASSIFICATI

    2、ON 1.1 Classification. This commercial item description covers twine of the following types as specified (see 5.2): Type I - Waxed 32-, 60-, or 120-pound breaking strength Type II - Blocking 230- or 300-pound breaking strength 1.2 Part or identifying number (PIN). of items is included in section 5.

    3、A document based PIN to identify types 2. SALIENT CHARACTERISTICS 2.1 Design and construction. The twine shall be natural colored, and shall be fabricated from flax fiber processed to meet the requirements of this Commercial Item Description. The type I twine shall be waxed and mildew resistant trea

    4、ted. The mildew treatment shall be applied with the wax or to the twine prior to waxing. (4-chlorophenol). surface. The mildew inhibitor shall be 1.5 + 0.5 percent of 2,2 methylene-bis The type II blocking twine shall have a hard polished The type I and type II twines shall conform to the physical r

    5、equirements listed in tables I and II. -. Beneficial comments, recommendations, additions, deletions, clarifi- cations, etc. and any other data which may improve this document should be sent by letter to: Commander, U.S. Army Natick Research, Development, and Engineering Center, ATTN: STRNC-ES, Nati

    6、ck, MA 01760-5014. I 1 AMSC N/A FSC 4020 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.A-A-5205b 40 m 7777774 0053687 b m A-

    7、A-5 2056 TABLE I. Type I waxed twine physical requirements Length per pound Breaking strength Plies per (min.) (min. ) strand feet pounds 6 12 27 . 2235 1110 510 32 60 120 TABLE II. Type II blocking twine physical requirements No. of Plies per Length per Breaking Twine s trands strand pound (min.) s

    8、trength (min.) No. (min.) (min.) feet pounds 20 4 28 4 5 7 210 150 230 300 2.2 Identification. Each package shall be labeled or ticketed for fiber content in accordance with the Textile Fiber Products Identification Act. 2.3 Put-uE. without knots or splices on 1 pound minimum net weight balls or tub

    9、es. A plus or minus tolerance of 10 percent in weight will be permitted on any one holder provided that the average weight does not fall below the specified minimum. Each holder shall contain not more than three pieces, and no piece shall be less than 25 feet in length, or each holder shall contain

    10、not more than two pieces with no minimum length applicable, The holders shall be wound so that each turn and layer is free from entanglement. 3. QUALITY ASSURANCE Unless otherwise specified (see 5.2), the twine shall be furnished 3.1 Certification. The contractor shall certify, and maintain substant

    11、iating evidence, that the product offered meets the salient characteristics and requirements of this Commercial Item Description, and that the product conforms to the producers own drawings, specifications, standards, and quality assurance practices, conformance prior to first delivery and thereafte

    12、r as may be otherwise provided for under the provisions of the contract. The Government reserves the right to require proof of such, 3.2 Quality conformance inspection. Unless otherwise specified, sampling for inspection shall be performed in accordance with MIL-STD-105. 3.3 Visual examination, Each

    13、 lot of twine shall be examined for consumer type defects, defined as follows: 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-O A-A-52056 Defects in design, construction, or workmanship; any cut, kink, broken strand, loose strand, finish other tha

    14、n specified; any spot or stain clearly notice- able; color other than specified; type other than specified. The lot size shall be expressed in units of holders, and the sample unit shall be one holder. 4. PACKAGING 4.1 Tackaging. Twenty-four balls or tubes of twine, put-up as specified, shall be pac

    15、kaged in a snug-fitting fiberboard box conforming to style RSC, type CF, class domestic, grade 200 of PPP-B-636. 4.2 Packing. Forty-eight balls or tubes of twine, packaged as specified, shall be packed in snug-fitting fiberboard shipping container conforming to style RSC, type CF, class domestic, gr

    16、ade 275 of PPP-B-636. The shipping container shall be of a size palletizable in accordance with MIL-STD-147. 4.3 Palletization. When specified (see 5.2), twine packed as specified shal-1 be palletized in a 4-way entry pallet in accordance with load type Ia of MIL-STD-147. 4.4 Marking. purchase order

    17、, interior packages, shipping containers, and palletized unit loads shall be marked in accordance with MIL-STD-129. In addition to any special marking required by the contract or 5. NOTES 5.1 Intended use. The twine is intended for use in serving and whipping rope ends and splices, for aircraft rigg

    18、ing, and for use in ammunition fuses. 5.i Ordering data. Acquisition documents must specify the following: a. Title, number, and date of this document. b. c. When put-up other than specified is required (see 2.3). . d. hen palletization is required (see 4.3). Type and breaking strength required (see

    19、 1.1). 5.3 Source for Government documents. are available from: Copies of military and Federal documents Standardization Documents Order Desk Bldg. 4D 700 Robbins Avenue Philadelphia, PA 19111-5094 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _

    20、 A-A-52056 40 7777771.1 0053673 4 A-A-52056 5.4 Part or identifying number (PIN). The PINS to be used for items acquirsd by this CID are created as follows: I CID number MILITARY INTERESTS: Cus todiari: Army - GL Review Activities: Army - AV, CR, MD DLA - IS User Activities: Army - AR, ME 4 CIVIL AGENCY COORDINATING ACTIVITY: GSA-FSS PREPARING ACTIVITY: Army - GL (Project 4020-0314) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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