DLA A-A-59826 E-2009 THREAD NYLON.pdf
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1、INCH-POUND A-A-59826 03 March 2009 SUPERSEDING V-T-295E 1 August 1985 COMMERCIAL ITEM DESCRIPTION THREAD, NYLON The General Services Administration has authorized the use of this commercial item description as a replacement for V-T-295 for all federal agencies. 1. SCOPE. This commercial item descrip
2、tion covers nylon thread used for machine and hand-sewing. 2. CLASSIFICATION. The thread shall be of the following Types and Classes. In end item documents where neither Class designation “A“ or “B“ is indicated, the requirements for Class “A“ shall apply. 2.1 Type. Type I - Twisted multiple cord, u
3、nbonded, soft finish Type II - Twisted multiple cord, bonded finish Type III - Monocord, bonded finish Type IV - Hand-sewing twist, waxed finish Type V - Buttonhole twist, hand-sewing (waxed) Type VI - Tailoring, twisted multiple cord, soft finish Type VII - Quilting thread, coreless cocoon bobbins
4、and top thread, twisted multiple cord, soft finish 2.2 Class. Class A - General purpose Class B - Non-wicking (Type I or II) 3. SALIENT CHARACTERISTICS. The thread shall be bright, high tenacity continuous multifilament nylon. The nylon shall be a polyamide prepared from hexamethylene diamine and ad
5、ipic acid or its derivatives. The thread shall have a melting point of not less than 472F and conform to the applicable requirements specified in Tables I through X. Types II and III threads shall be bonded with a colorless nylon polymer agent. Comments, suggestions, or questions on this document sh
6、ould be addressed to: Defense Supply Center Philadelphia, Clothing and Textiles Directorate, Attn: DSCP Standardization Team, 700 Robbins Avenue, Philadelphia, PA 19111-5096. Since contact information can change, you may want to verify the currency of the address information using Acquisition Stream
7、lining and Standardization Information System (ASSIST) online database at http:/assist.daps.dla.mil. AMSC N/A FSC 8310Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59826 3.1 Twist direction. Unless otherwise specified, the direction of the fina
8、l twist shall be “Z“ except that number sizes of Types I, II and VII threads when used for sole stitching of footwear, or coreless bobbins and top threads for quilting may be “S“ or “Z”. The final twist of Type IV shall be “S”. 3.2 Physical characteristics. The finished thread shall conform to the a
9、pplicable requirements for the specified Type, Tex no. (*Approximate size. True Tex size is measurement of gram weight of 1000 meters of finished thread), within the stated approximate ranges below and Government size (letter or number) set forth in Tables I through Table VII when tested as specifie
10、d in Table VIII. 3.2.1 Type I thread. The Type I thread shall be unbonded, plied thread with each individual yarn having an initial twist in the opposite direction to the final twist, and the initial twist shall meet or exceed the final twist per inch “TPI” and shall conform the physical characteris
11、tics specified in Table I when tested as specified in Table VIII. TABLE I. Physical characteristics of Type I (Twisted multiple cord, soft finish), Tex No. (g/km) Government Letter size Ply Final twist TPI (min.)Length per pound (yards) min. max. Breaking strength, lbs. (min.) Elongation,% (max.) 16
12、-17 00 2 12.0 25,801 31,000 1.8 26 21-23 A 3 10.0 18,001 25,800 2.8 26 30-32 AA 2 or 3 9.0 13,001 18,000 4.1 26 45-46 B 2 or 3 7.0 8,701 13,000 6.0 26 68-70 E 3 6.0 5,801 8,700 9.0 26 90-101 F 3 or 4 5.5 4,001 5,800 11.8 26 135-144 FF 3 5.0 2,901 4,000 17.5 35 GovernmentNumber size 205-210 3 3 4.5 1
13、,951 2,900 27.0 35 270-292 4 3 4.0 1,451 1,950 36.0 35 350-381 5 3 3.5 1,151 1,450 45.0 35 400-472 6 3 3.0 951 1,150 54.0 35 600-601 8 3 2.5 701 950 72.0 35 3.2.2 Type II thread. The Type II thread shall be a bonded, plied thread with each individual yarn having an initial twist in the opposite dire
14、ction to the final twist, and the initial twist shall meet or exceed the final “TPI” and shall conform the physical characteristics specified in Table II when tested as specified in Table VIII. 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-598
15、26 TABLE II. Physical characteristics of Type II (Twisted multiple cord, bonded finish) Tex No., (g/km) Government Letter size Ply Final twist TPI (min.) Length per pound (yards) min. max. Breaking strength, lbs. (min.) Elongation, % (max.) 16-19 00 2 12.0 23,201 29,000 1.8 26 21-25 A 3 10.0 16,201
16、23,200 2.8 26 30-36 AA 2 or 3 9.0 11,701 16,200 4.1 26 45-51 B 2 or 3 7.0 7,801 11,700 6.0 26 70-76 E 3 6.0 5,201 7,800 9.0 26 90-112 F 3 or 4 5.5 3,601 5,200 11.8 26 135-160 FF 3 5.0 2,601 3,600 17.5 35 210-268 3 3 4.5 1,751 2,600 27.0 35 270-325 4 3 4.0 1,301 1,750 36.0 35 350-426 5 3 3.5 1,051 1,
17、300 45.0 35 400-526 6 3 3.0 851 1,050 54.0 35 600-684 8 3 2.5 600 850 72.0 35 3.2.3 Type III thread. The Type III thread shall be a single ply construction, consisting of a minimum of 17 filaments bonded together to form a smooth even monochord and the twist shall be no more than 4 “TPI” and shall c
18、onform the physical characteristics specified in Table III when tested as specified in Table VIII. TABLE III. Physical characteristics of Type III - (Monocord, bonded finish) Tex No., (g/km) Government Letter size Ply Length per pound (yards)min. max Breaking strength, lbs. (min.) Elongation, % (max
19、.) 16-20 00 1 23,901 27,000 1.8 35 21-25 A 1 16,351 23,900 2.8 35 27-34 AA 1 13,301 16,350 4.1 35 45-47 B 1 8,001 13,300 6.0 35 70-75 E 1 5,201 8,000 9.0 35 90-110 F 1 3,851 5,200 11.8 35 135-154 FF 1 2,151 3,850 17.5 35 Government Number size 150-258 3 1 1,701 2,150 27.0 35 270-331 4 1 1,301 1,700
20、36.0 35 350-431 5 1 1,001 1,300 45.0 35 400-536 6 1 851 1,000 54.0 35 600-684 8 1 600 850 72.0 35 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59826 3.2.4 Type IV thread. The Type IV thread shall be twisted, two-cord (ply) construction, unbon
21、ded with a wax finish. Each of the individual yarns shall have an initial twist which meets or exceeds the final “TPI”. The final twist shall be “s“ and the thread shall be suitable for simulated hand-sewing and shall conform the physical characteristics specified in Table IV when tested as specifie
22、d in Table VIII. TABLE IV. Physical characteristics of Type IV - (Hand sewing twist, wax finish) Tex No., (g/km) Government Letter size Ply Length per pound (yards)min. max Breaking strength, lbs. (min.) Elongation, % (max.) 35-36 A 2 13,001 14,600 3.5 35 45 C 2 8,901 13,000 5.7 35 3.2.5 Type V thre
23、ad. The Type V thread shall be of a twisted, three-cord (ply) construction, unbonded with a wax finish. Each individual ply shall have an initial twist in the opposite direction to the final twist, and the initial twist shall meet or exceed the final “TPI”. The final plied twist shall be suitable fo
24、r hand sewing and shall conform the physical characteristics specified in Table V when tested as specified in Table VIII. Table V. Physical characteristics of Type V-(Buttonhole twist, hand sewing, waxed) Tex No., (g/km) Government Number size Ply Length per pound (yards)min. max. Breaking strength,
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