1、MIL-T-63072 83 779770b 0182283 7 MILITARY SPECIFICATION THREAD , POLYESTER This specification has been approved for use by the U.S. Army Armament Research and Development Command, and is available for use. by all Departments and- Agencies- of thei, Qeeartlnent of Defense. e z 1. SCOPE . 1.1 This spe
2、cification covers a.polyester thread for use in munition (see 6.1). 2. APPLICABLE DOCUMENTS - &*. 2.1 Issue of documents. The following documents of the issue Ln etfect on date of invitation for bids or re- quest for proposal form a part of this specification to the extent specified herein. SPECIFIC
3、ATIONS FEDERAL PPP-P-50 - Packaging and Packing of Thread for Domestic and Overseas Shipment . V-T-285 - Thread, Polyester MILITARY MIL-A- 4 80 7 8 - Ammuni tion, Standard Quality Assurance Provisions, General specification for STANDARDS FEDERAL FER Test Method Std. No. 191 - Textile Test Methods -
4、Beneficial comments (recommendations, additions deletions) and any pertinent data which may be of use in improving this document should be addressed to: Gommander, US Army Armament Research and Development Command, Attn. DRDAR-QA, Dover, New Jersey 07801 by using the self-addressed Standardization D
5、ocument Improvement Proposal (DD Form 1426) appaaring at the end of this document or by letter. I I Licensed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ - - - MIL-T-63072 83 6 777770b 0382284 O 6 . . . - _I I MIL
6、-T-6 30 72 (AR) (Copies of specifications, standards, drawings and publica- tions required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer). 2.2 Other publications. The following documents form
7、a part of this specitication to the. extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply _._ _-_ AMERICAN SOCIETY FOR TESTING AND MATERIALS ASTM-D123 - Textile Materials, Definition of Terms Relating to ASTM-D225
8、7 - Extractable Matter in Yarns, Test for (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Penn. 19103) . THE COLOR ASSOCIATION OF THE UNITED STATES INC. Department of .Defense Standard Shades for Sewing Thread 1968 (Appli
9、cation for copies should be addressed to the Color Association of the United States, Inc., 200 Madison Avenue, New York, N.Y. 10016). ( 3. REQUIREmNTS 3.1 Material. The thread shall be made from contin- uous filament (poryethylene glycol terephthalate) polyester yarn . 3.1.1 Yarn. - The yarn shall b
10、e bright, continuous multifilament polyester (polyethylene glycol terephthalate) having a specific gravity within the range of 1.36 to 1.40, when tested as specified in 4.5.1.2 (see 6.7). 3.2 Color. The color (shade) shall be as specified in the app-le end item specification or in the contract or or
11、der (see 6.2 and 6.4). Shade designations by letter (e.g. - Olive Drab S-1) and related cable numbers. (e.g. - CA66022) refer to the DOD Standards Shades for Sewing Threads 1968 (see 2.2). after removal of- tinish, when applicable, shall match the- specified applicable shade standard (see 6.3) when
12、tested as specified in 4.5.2. shall be of twisted, multiple cord (ply). Each of the individual plies shall be twisted initially with not less 3.2.1 Matching. The shade of the end item thread, 3.3 Construction. The construction of the thread . t c 2 Provided by IHSNot for ResaleNo reproduction or net
13、working permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-b3072 83 a 9799906 OL8228b 1 MIL-T-63072 (AR) minus 3.0 percent tolerance, on a 10 holder basis. The thread shall be put up in continuous length per
14、holder, and shall be so wound that each turn and layer is free from entanglement. 3.8 Identification marking. Except when commercial identification markings are specified in the invitation to bid, each holder except the ready made lockstitch bobbins shall have a label attached in such a manner as to
15、 remain in place and be clearly legible until all thread has been removed. In the case of ready made lockstitch bobbins, the label shall be put on the outside of the unit pack (gross pack). specified below: The label shall be printed with the information as Stock Number Weight (net) Direction of twi
16、st color Letter size and ply Nomenclature 3.9 First article inspection. This specification contains provisions for first article inspection. ments for the submission of first article samples by the contractor shall be as specified in the contract. to the quality established by this specification. Re
17、quire- 3.10 Workmanship. The finished thread shall conform 4 . QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection and standard quality Unless otherwise specified herein or assurance nrovisions. -_ in the conkract, the provisions of MIL-A-48078 shall apply and are hereby made a part of th
18、is detail specification. 4 . 2 ClaSsificatin of inspections. The following types of inspections shallb e conducted on this item: - - a, First Article Inspection (see 4.3) b. Quality Conformance Inspection (see 4.4) 4.3 First article inspection 4.3.1 sub mission. The contractor shall submit a first a
19、rticle sample as designated by the Contracting Officer for evaluation in accordance with provisions of 4.3.2. The first article sample shall consist of ten (10) units of thread and holder. _- 4.3.2 Inspection to be performed. The sample will be subiected bv the Government to any or al1 of the examin
20、a- tions or tests specified in 4.5 of this specification. 4.3.3 Rejection. See MIL-A-48078. 4.4 Quality contormance inspection 4.4.1 I nspection lot tormation. Inspection lots shall comply with lot formation provisions of MIL-A-48078. In 4 Provided by IHSNot for ResaleNo reproduction or networking p
21、ermitted without license from IHS-,-,-MIL-T-63072 83 W 777790b 0382287 b W ,MIL-T-63012 (AR) . addition, inspection lots tain thread from not more 4.4.2 Examination. Classification of: Defects for major and minor defects shall be in accordance with MIL-STD-105, Inspection Level II (See MIL-A-48078)
22、. of polyester threads shall con- than one lot from one manufacturer. Unless otherwise specified in the and test tables, sampling plans ! i 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.- MIL-T-63072 83 m 7797706 0382288 8 m 1 . -. - rlrl Idrd A
23、 2 U N P O m W I E-i I d c rn w k + rlrl rl aa a 33 .rl .I4 .rl 33 3 mm m - O00 do o I- Li O a al E: .I4 iCI al a al z 5 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I & al O rG E O k W a E: 2 f3 E I In rJ . 2 $ 8) k - MIL-T-63072 83 = 779790b 0
24、182289 T = e. .eo. 0. O0 O000 04 -. . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-rl IL O rl I- W W I v) 1 ! 2 .a 4 4 A d ci -rl ci O rl & O k d O X 4 . * MIL-T-63072 83 7777706 0182270 b i- al 4 m o (B & O al o 5 rl Id F9 b m . de O * O 0 ).i al
25、 O c & al a 2 a, tn m k a al 5 +i FI 4 w o al al a al c O 2 : 8 c H o a, c .rl 4-1 a, o a, 2 do Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.5 Test
26、 methods and procedures (see 6.6). 4.5.1 Polyester yarn 4.5.1.1 Id entification. The identification of the polyester yarn shall be determined in accordance with method 4.5.1.2 Specific gravity. The specific gravity of the polyester yarn shall be determined in accordance with method 4.5.2 Matching sh
27、ade. The matching shade shall be determined in accordance with method 9010 of FED-STD-191. 4.5.3 Direction of twist. The initial an final direction of twist shall b e determined in accordance with method 40 50 of FED-STD-19 1. 4.5.4 Determination of physical characteristics 4.5.4.1 Final twist. The
28、final twist of th e specimens shall be determined in accordance with method 4054 of FED-STD-191. The test for twist per inch (t.p.i.1 in the individual cords (strands) shall be in conjunction with that for the final twist. After recording the final twist, and while the individual cords (strands) are
29、 straight between the jaws, all cords but one shall be cut out and removed. The clamp shall then be opened, the slack drawn through and the strand reset under the specified tension. The counter shall be reset to zero. rotated until all twist has been removed as determined by free passage of the need
30、le between filaments. The t.p.i. shall be calculated in the general procedure of method 4054. 4.5.4.2 Number of plies. The specimens shall be visually examined, using dayTight illumination, for compliance with the applicable requirement. 4.5.4.3 Length per pound. The length per pound of the specimen
31、s shall b e determined in accordance with method 4.5.4.4 Breaking strenqth. The breaking strength of the specimens shall b e determined in accordance with method 4100 of FED-STD-191: For each sample unit, five (5) determinations shall be made. FED-STD- 1. The composition oj: silicone oil, lub ricant
32、 or finish for the specimens shall be determined in accordance with ASTWD2257. The solvent sed in this determination shca-ll be methylene chloride. 1600 of FED-STD-19 1. 1600 of FED-STD-191. The jaw shall then be 4010 Of FED-STD-191. 4.5.4.5 Elon ation. The elongation of the specimens 4.5.5 Composit
33、ion of silicone oil, lubricant or. finish. shall be determine -+- in accordance with method 4100 of 5. PREPARATION FOR DELIVERY 5.1 Put-up and packaging. Put-up and packaging shall be level A, B, or C as specified (see 6.2). LO Provided by IHSNot for ResaleNo reproduction or networking permitted wit
34、hout license from IHS-,-,-MIL-T-63072 83 m 7979706 0182293 1 MIL-T-63072 (AR) 5.1.1 Levels A, B and C. as specified in 3.7 and shall be packaged in accordance with the applicable requirements of PPP-P-50. 5.2 Packing. Packing shall be level A, B or C as specifie 172) . 5.2.1 Levels A, B and C. accor
35、dance with th e applicable requirements of PPP-P-50. 5.3 Marking. In addition to any special markings required by the contract or order, shipments shall be marked in accordance with applicable provisions of PPP-P-50 . The threads shall be put-up The thread shall be packed in 6. NOTES 6.1 Intended us
36、e. The threads covered by this specification are intended for use in sewing propellant bags. 6.2 Ordering data. See MIL-A-48078. Procurement documents should also specify: - a. Color (shade) required (see 3.2) b. Direction of twist, if other than specified c. Letter size, or thread required (see 3.5
37、, d. Put-up required (see 3.7) Reference: Federal e. Type of holder (plastic or wood) required for (see 3.4) Table i) Specification V-T-285D thread. 6.3 Standard sample. For military shades, the standards for shade reference are those contained in the Standard Color Card for the Department of Defens
38、e Standard Shades for Sewing Thread (see 2.2). For other shades, address the procuring office issuing the invitation for bids or request or proposal. Standard samples frequently used by the military (directly or for components of end items), have been made available to normal suppliers as basic refe
39、rence for the establishment of the suppliers secondary standards conforming to the characteristics of the official standards. The basic shades are those appearing %w the DOD Color Card. Prime thread manufac- turers wks inadvertently have not been furnished standards for establishment of their colorf
40、astness standards in aeeordanca with this specification may obtain samples for this purpose from the U.S. Amy Natick Research and Development Command, Natick, Maryland 01760, (ATTN: 6.3.1 In eases where it is not considered feasible to remove the finish prior to shade matching, the thread may be eva
41、luated on an “as is“ basis, upon approval of $he contracting officer. dyes are suggested, but not mandatory, for the indicated shades : BRXNM-VTC) . 6.4 ove formulations. The following combinations of 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
42、,-Olive Drab, Shade S-1, C.A. 66022 Disperse Blue 27 Disperse Red 59 Disperse Yellow 23 Black, Shade AA, C.A. 66043 Disperse Black, C.A. 11365 Light Green, Shade Y, C.A. 66042 Disperse Blue 64 Disperse Blue 60 Disperse Yellow 23 Disperse Red 59 6.5 Submission of inspection equipment designs for a pr
43、oval. See MIL-A- . Submit equipment designs for hfects, to Co:aer, U.S. Army Armament Research and Development Command, ATTN: DRDAR-QAR-I, Dover, New Jersey O 7 80 1 . Prior approval of the Contracting Officer is required for use of equivalent test methods. of the proposed method should be submitted
44、 through the Contracting Office to: Commander, U.S. Army Armament Research and Development Command, ATTN: DRDAR-QAR-R, Dover, New Jersey 07801. to the procedures used, the accuracy and precision of the method, test data to demonstrate the accuracy and precision and drawings of any special equipment
45、required. ance shall be submitted for the yarn and the holder. Custodian : Preparing Activity : Project Number: 8310-A-108 6.6 A description This description should include but not be limited 6.7 Unless otherwise specified, certificates of compli- Amy-AR - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
