1、*-POUND I A-A-50 197A June 21,2000 Superseding Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Defense Supply Center Philadelphia, Clothing; and Textiles Directorate. Attn.: DSCP-COCT. 700 Robbi
2、ns Ave Philadehhia PA 191 11-5092. A-A-50 197 June 30,1989 COMMERCIAL ITEM DESCRIPTION THREAD, LINEN The General Services Administration has authorized the use of this commercial item description in preference to Federal Specification V-T-29 1. 1. SCOPE. This document covers linen thread for sewing
3、by machine or hand. 1. CLASSIFICATION. The thread shall be in the following types. 2.1 Type Three- cord (stitching) thread Natural finish having no consistency or luster other than that inherent in the linen Polished and lustrous, having a smooth dressed surface with no protruding fibers Lockstitch
4、twist thread Natural finish having no consistency or luster other than that inherent in the linen Polished and lustrous, having a smooth dressed surface with no protruding fibers. Hand Shoe Thread Natural Finish, having no consistency or luster other than that inherent in the linen. AMSC NIA FSC 83
5、10 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50 197A 3 SALIENT CHARACTERISTICS 3.1 General description. The thread shall be made of fong-line” flax. Types I an
6、d II shall have Sor “Z” final twist as specified in the applicable end item specification or in the contract or order. Type III shall have a L final twist. 3.2 Physical requirements of thread The thread shall conform to the physical requirements specified in Table I TABLE I Physical requirements Tex
7、 Natural Tex Polished Breaking Strength lbs. Test Method Three Cord Stitching Thread 90 120 150 180 210 240 3 O0 Lockstitch Twist Thread 240 350 400 500 600 700 800 800 900 1 O00 Hand Shoe Thread 120 150 105 135 150 180 210 270 350 270 350 450 500 600 700 800 900 900 1 O00 6.0 7.5 8.5 10.0 12.0 18.0
8、 19.0 18.0 24.0 30.0 38.0 44.0 52.0 59.0 65.0 72.0 81.0 6.0 10.0 ASTM -D-204 1/2/ ASTM -D-204 ASTM -D-204 ASTM -D-204 ASTM -D-204 ASTM -D-204 ASTM -D-204 ASTM -D-204 1/2/ ASTM -D-204 1/ ASTM -D-204 ASTM -D-204 ASTM -D-204 ASTM -D-204 ASTM -D-204 ASTM -D-204 ASTM -D-204 ASTM -D-204 1/ ASTM -D-204 1/
9、ASTM -D-204 1/ - 1/ Testing speed shall be 122 0.5 idmin., and a 10 inch gauge length shall be used. - 2/ Five determinations per sample unit. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50 197A 3.3 Color. The thread shall be natural color
10、(boiled or scoured), bleached white, or shall be a good (good is defined as a perceptible not appreciable difference in color) match to the standard sample. If no standard is available the thread shall be a good match to the end item base cloth. 3.4 Colorfastness. The colorfastness of dyed finished
11、thread shall be as specified in the applicable end item specification or as set forth in the contract except that when requirements are not stated or referenced to a standard sample for colorfastness, the thread shall show a colorfastness equal to or better than a 3.5 minimum on the AATCC Gray Scale
12、 for Color Change to colorfastness to combined laundering and bleaching in accordance with AATCC - 61 Test 4A, and light (40 standard fading hours) in accordance with AATCC 16, Option A. When a standard is referenced, the thread shall be “equal to or better than the standard sample” for the specifie
13、d requirement 3.5 Finishing materials The thread shall have no chemical finishes or treatments other than those commonly used in commercial threads or those demonstrated to have no deleterious effects on linen thread, including effect in prolonged storage. No chemical finishes or treatments shall be
14、 applied for the purpose of increasing breaking strength. 3.6. Put-up. Unless otherwise specified, the thread shall be put-up on a nominal length per holder or commercial spools, cones, or tubes as specified in the contract. The thread shall be wound around the specified holder in one continuous pie
15、ce, so that each turn and layer is free of entanglement. The outside ending of the thread shall be secured to prevent unwinding, loosening or slippage during handling, shipping or storage. 3.7 Labeling Each holder shall have a label adhered securely so as to remain in place and be clearly legible un
16、til all thread has been removed. The label shall be printed and include information related to length in yards, direction of twist, color, ply, size (tex) name of thread manufacturer, and nomenclature specifying type (i.e. Lockstitch, or Hand Shoe Thread) 4. REGULATORY REQUIREMENTS. 4.1 Recycled, re
17、covered, or environmentally preferable materialsRecycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements and promotes economically advantageous life cycle costs.
18、 5. QUALITY ASSURANCE PROVISIONS 5.1 Product conformance. The products provided shall meet the salient characteristics of this commercial item description and conform to the producers own specifications, standards and quality assurance practices. The Government reserves the right to require proof of
19、 such conformance. 5.2 Preservation, packing and marking The preservation, packing and marking shall be as specified in the contract or order. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50 197A 6. NOTES 6.1 Intended use. The thread is inte
20、nded for sewing by machine or by hand 6.2 Sources of Nongovernment Documents. AMERICAN SOCIETY FOR TESTING AND MATERIALS ASTM -D-204 - Tensile Properties of Yarns by the Single Strand Method. (Applications for copies should be addressed to the American Society for Testing and Materials, 100 Barr Har
21、bor Drive, West Conshohocken, PA 19426-2959.) AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) AATCC - 16 - Colorfastness to Light AATCC- 61 - Colorfastness to Combined Laundering & Bleaching Applications for copies should be addressed to American Association of Textile Chemists and Co
22、lorists (AATCC) PO Box 122 15, Triangle Park, NC 27709-22 15) THE COLOR ASSOCIATION OF THE UNITED STATES, INC. Standard Color Card of America ( Color cards are available from The color association of the United States. 589 Eight Avenue, 12h floor, New York, NY 10018. The web site is ) (Non-Governmen
23、t standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services) 6.3 Ordering data. a. b. C. Title, number, and date of this document. Type, and si
24、ze of thread required (see 2.1), and (3.2) Selection of packaging, preservation, and marking (see 5.2) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50 197A 6.4 Replacement data. The types and classes of linen thread covered by this commercia
25、l item description replace the items covered by V-T-29 1 ,and A-A-50 197 as indicated below: CID A-A-50 197A Three cord (stitching) thread . Natural finish Three cord (stitching )thread Polished finish Lockstitch twist thread Natural finish Lockstitch twist thread Polished finish Hand shoe thread Na
26、tural finish MILITARY INTERESTS: Custodians: Army - GL Navy - NU Review Activities CID A-A-50 197 Type Class I 1 I 2 II 1 II 2 III 1 V-T-29 1 Type Class A 1 A 2 B 1 B 2 C 1 CIVIL AGENCY COORDINATING ACTIVITY: GSA- FSS HHS - NIH PREPARING ACTIVITY DLA - CT Project 83 10-02 13 Army- MD, EA, ME Navy- MC DSWA - DS 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
