1、 - - - 1 MIL-T-8363B 83 m 7977706 037b028 T M *. .- . - _ MIL-T-8363B 7 January 1974 SUPERSEDING MIL-T-8363A(USAF) 14 April 1958 i MILITARY SPECIFICATIC TAPE AND WEBBING, TEXTILE, WOVEN, NYLON This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. 1. S
2、COPE 1.1 Scope. This Specification covers two types of nylon tape and three types of nylon webbing. 1.2 Classification The nylon tape and webbing shall be of the follow- ing types, -as specified (see 6.2): Type I tape - 350 pounds breaking strength Type II tape - 290 pounds breaking strength Type II
3、I webbing - 400 pounds breaking strength Type IV webbing - 2600 pounds breaking strength Type V webbing - 1000 pounds breaking strength 2. APPLICABLE DOCUMENTS 2.1 The following documents, of the issue in effect on date of invitation for bids, form a part of this specification: SPECIFICATIONS Milita
4、ry MIL-W-43334 Webbing and Tape, Textile, Packing and Packing of STANDARDS Federal Federal Test Method Std. No. 191 Textile Test Methods FSC 8305 - -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-8363B Military MIL-STD- 105 Sampling Procedur
5、es and Tables for Inspection by Attributes (Copies of specifications, standards, drawings and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer .) 3. REQUIREMENTS 3.1 Material
6、3.1.1 Nylon yarn. The nylon yarn used in the manufacture of all types of webbing shall be a bright, high tenacity, light- and heat-resistant, polyamide prepared from hexamethylene diamine and adipic acid, or its derivatives. It shall have a minimum melting point of 471OF. The supplier shall certify
7、that the yarn has not been subjected to any type bleaching process. Testing shall be as specified in 4.4.2. I 3.1.2 Denier and filament. webbing the nylon yarn used shall be 210 denier, 34 filament. For type IV webbing the yarn used shall be 840 denier, 140 filament. TypeV webbing shall be woven of
8、260 denier, 17 filament nylon yarn. For types I and II tape and type III 3.1.3 Twist 3.1.3.1 Twist for types I and II tape. Unless otherwise specified, the yarn for types I and II tape shall have a minimum twist of 2.5 turns per inch. 3.1.3.2 Twist for type III .webbing 3.1.3.2.1 Warp. S-twist per i
9、nch. of Z-twist per inch. The single yarn shall have a minimum of 10 turns of The final ply twist shall have a minimum of 7.5 turns 3.1.3.2.2 Fillinpi. S-twist per inch; the 3-ply semifinal twist shall have a minimum of 6 turns of Z-twist per -inch; the 3-ply final twist shall have a minimum of 2.5
10、turns of S-twist per inch. The single yarn shall have a minimum of 8.5 turns of 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-8363B 83 7777706 0376030 8 U MIL-T-8363B 3.1.3.3 Twist for type IV webbing. The final ply of filling yarns shall h
11、ave a minimum twist of 2.5 turns the warp and per inch, 3.1.3.4 Twist for type V webbing. The final ply of he warp yarn shall have a minimum twist of 2.5 turns per inch and the final ply of the filling yarn shall have a minimum twist of 1.0 turn per inch. 3.2 Weave. shall be as shown in figures 1, 2
12、, and 3 respectively. The weave for type IV webbing shall be as shown in figure 4 except the edge warp ends shall weave 8 single ends on one edge and 9 single ends on the other edge. The weave for types I and II tape and type III webbing The weave for type V webbing shall be as shown on figure 3. 3.
13、3 Construction and physical properties. The finished tape and webbing shall conform to the requirements in table I and the following subparagraphs when tested in accordance with 4.4.2. 3.4 Color. Unless otherwise specified by the procuring activity, the color of the tape and webbing shall be Air For
14、ce Sage Green No. 1520 (see 6.3). 3.4.1 Colorfastness. When Air Force Sage Green No. 1520 is furnished, the tape and webbing shall have a colorfastness rating of “good“ to light (at 20 standard fading hours), crocking, and perspiration when tested as specified in 4.4.2. When a standard sample is des
15、ignated as standard for certain colorfastness properties, the dyed and finished tape and webbing shall be equal to or better than the standard in those respects when tested in accordance with 4.4.2. If duplication of a designated colorfastness property exists by reference to an rating and a standard
16、 sample, the standard sample shall rule. adjective 3.4.2 the approved standard shade under natural (north sky) daylight or arti- ficial daylight, having a color temperature of 7500K. Color matching. The dyed tape and webbing shall be matched to 3.5 Length 3.5.1 Spoo1sT“Unless otherwise specified, ty
17、pes I and II tape shall be furnished on spools, each containing not less than 90 or more than 110 yards. less than 10 yards in length. No spool shal-l contain more than 3 pieces and nc! piece shall be 3 ,- i : ,; I Provided by IHSNot for ResaleNo reproduction or networking permitted without license
18、from IHS-,-,-MIL-T-8363B 83 M 7997706 0376031 T - - f.I. IL-T- 8 3 6 3 B t 6 FACE WARP BACK WARP a STUFFER WARP BINDER WARP I FIGURE 1. WEAVE DIAGRAM-TYPE I 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-8363B 83 7777906 0376032 L W MIL-T-83
19、63 B FACE WARP BACK WARP BINDER WARP FIGURE 2. WEAVE DIAGRAM-TYPE II 5 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- I MIL-T-8363B 83 = 9999906 0376033 3 MIL-T-8363B EDGE BODY EDGE 2 REPEATS OF WARP 1 REPEAT OF FILLING FIGURE 3. WEAVE DIAGRAM-TY
20、PE m AND TYPE P 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-3b3B 83 a 797770b 037603q 5 I MIL-T-8363 B i FACE WARP (2 ENDS AS 1) BACK WARP (2 ENDS AS 1) BINDER WARP FIGURE 4. WEAVE DIAGRAM-TYPE E i I ,- I i, ;. Provided by IHSNot for Resa
21、leNo reproduction or networking permitted without license from IHS-,-,-NIL-T-8363B 83 9999906 0376035 7 Ei4 MIL-T-8363B o al U a, fil O H a, rl H % -. b 00 Nd I rl I n c N O m O Nn Nrl o o 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-83638
22、 3 9999906 O376036 9 MIL-T-8363B 35.2 Rolls. Unless otherwise specified, types III, IV, and V webbing shall be furnished in rolls, each containing not less than 45 or more than 55 yards. No roll shall contain more than 3 pieces and no piece shall be less than 10 yards in length. 3.6 Finish . 3.6.1 R
23、esidual size, finishing oils, or other nonfibrous materials shall not exceed 3 percent of the dry weight of the tape or webbing when tested as specified in 4.4.2. 3.6.2 Acidity. 5.0 to 9.0 when tested as specified in 4.4.2. 3.7 Identification Tickets. Each roll shall have a ticket attached with not
24、finer than 5-ply cotton string doubled to not less than 6 inches long. The tickets shall be made of paperboard not less than 0.020 inches in thickness and the color shall be manila or light in intensity to permit easy reading of printed, stamped or typed markings. The use of handwritten entries is p
25、rohibited. where a reinforcing patch (with or without a metal eyelet) is firmly affix- ed for attaching the tying string. with water insoluble ink with the following information: The finished tape and webbing shall have a pH value of The ticket shall have clipped corners at the end The ticket shall
26、be legibly printed Stock Number Nomenclature Specification Number Yardage Contract Number and Date Contractors Name Name of Contracting Agency 3.8 Workmanship. The finished tape and webbing shall be clean, evenly woven and shall conform to the quality and grade of product established by this specifi
27、cation. The occurrence of defects shall not exceed the levels set by the applicable acceptance quality levels. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsib-ility for inspection. Unless otherwise specified in the contract or purcfse_order, the supplier is responsible for the perform- ance of all ins
28、pection requirements as specified herein. otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspection Y Except as 9 . . . . =. I Provided by IHSNot for ResaleNo reproduction or networking permitted without license
29、from IHS-,-,- - MIL-T-8363B 83 W 7779706 O376037 O l MIL-T- 8 3 6 3B requirements specif ied herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies
30、 and services conform to prescribed requirements. 4.2 Classification of tests. The inspection and testing of the tape and webbing shall be classified as acceptance tests. 4.3 Acceptance tests. Acceptance tests shall consist of: a. Sampling plan A and tests b. Sampling plan B and tests 4.3.1 Sampling
31、 plan A. For the inspection of the product tests, sampling shall be conducted in accordance with MIL-STD-105. Samples selected shall be subjected to the tests specified in 4.3.1 and subparagraphs thereto. 4.3.1.1 MIL-STD-105. Except where otherwise indicated, inspections shall be in accordance with
32、the provisions set forth in MIL-STD-105. When MIL-STD-105 specifies an action by the Government, it shall, at the option of the Government, be performed either by the Government or by the contractor under the supervision of the Government inspector. 4.3.1.2 Acceptance quality levels. Acceptance qual
33、ity levels shall be as follows : 1 a. For yard-by-yard examination (4.3.1.1) - 0.4 major defects and 6.5 total defects per 100 units (yards). b. For overall examination (4.3.1.2) - 1 defect per 100 units (pieces). . c. For examination for length of spool or roll (4.3.1.3) - 1 defect per 100 units (s
34、pools or rolls). 4.3.1.3 Inspection levels. The inspection levels shall be as follows: a. Yard-by-Yard examination (4.3.1.1) - Level III of MIL-STD-105 shall be used. ed in units of 1 yard each. of yards shall be examined from each piece in the sample. The number of pieces to be drawn shall be compu
35、ted as follows: The lot size shall be express- An approximately equal number Number drawn = Yards in sample 35 10 I ._ i - , i: I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-T-363B 3 m 7777706 0376038 2 MIL-T-8363B b. Overall examination (4
36、.3.1.2). The pieces examined shall be those selected for yard-by-yard examination. c. Examination for length of spools or rolls (4.3.1.3). The spools or rolls examined shall be those from which the pieces for the yard-by-yard examination were taken. . 4.3.2 Sampling plan B. For the physical acceptan
37、ce tests, a sample, or samples, each at least 7-1/2 yards long, for types I, II, III and IV and 15 yards long for type V to be furnished at no cost to the Government, shall be taken from each 10,000 yards, or fraction thereof, of finished tape or webbing of one type submitted for acceptance at one t
38、ime on any contract or order except that on lots containing 20,000 yards or fraction thereof, a minimum of three (3) samples shall be submitted. Each sample shall be suitably marked for identification and shall be subjected to all the tests specified in 4.4.2 and subparagraphs thereto. 4.4 Test meth
39、ods 4.4.1 Examination of the product. Defects found during the examination shall be classified in accordance with 4.3.1.1, 4.3.1.2, and 4.3.1.3. The Government reserves the right to require examination for any defect not included herein to determine compliance with the requirements of this specifica
40、tion and to classify such defects in accordance with the definitions contained in MIL-STD-105 (see 4.2.1.1). 44.1.1 Yard-by-yard examination. The required yardage of each piece shall be inspected and visual defects classified as listed in table II. The defects found shall be counted regardless of th
41、eir proximity to each other, except where two or more defects represent a single local condi- tion of the tape or webbing in which case only the more serious defect shall be counted. A continuous defect shall be counted as one defect for each warpwise yard or fraction thereof in which it occurs. The
42、 unit of product for this examination shall be 1 linear yard. TABLE II Classification of Defects Defect Description Maior Minor Abrasion marks Resulting in rupture of yarns, or X in nap sufficient to obscure the identity of any yarn exceeding 10 percent of width or 1 inch in length, 11 Provided by I
43、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-T-8363B Table II Contd) di -a- -_-I_- Minor Defect De6 cript on Major - Broken or missing end 2 or more regardless of length or X Broken or missing Pick Coarse or light filling bar I Crease or wrinkle Cut, hol
44、e, or tear Drop -p ly Edge -beaded or corded Edge Folded or rolled Edge loopy a single end exceeding 6 inches in length. Single end under 6 inches but exceeding 114 inch. 2 or mcme regardless of extent. Resulting in noticeable L/ differ- ence in stiffness or thickness of tape or webbing and extendin
45、g for more than 114 inch in the length direction. Resulting in noticeable L/ differ- ence in stiffness or thickness of tape or less in the length direction. Twisted or distorted. Hill not lay flat upon application of manual pressure. Any cut, hole, or tear. Clearly noticeable 21, on more than 2 ends
46、 within same length and extending over 9 linear inches or more. Clearly noticeable L/ , on 1 or 2 ends within same length and extend- ing over 9 linear inches or more. Noticeable L/ increase in edge thick- ness or misformed edge. (See “Crease or Wrinkle“. ) Forming clearly noticeable L/ filling loop
47、s, or edge tied loosely to body of tape or webbing for 2 linear inches or more. 12 X X X X X X X X X X Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-8363B 3 7777706 0376040 O f MIL-T-8363B TABLE II (CONTD) Defect Description Major Minor Edge
48、loose (Slack) Edge-nicks or bumps Edge cut , torn, OP frayed Edge tight Edge scalloped Fine or light filling bar, light place Floats or skips Hitchback crack Resulting in.waviness, distortion in orientation of filling, or looseness along edge. Any nick or bump falling outside the width tolerance as specified or exceeding 1/4 inch in length. Any cut, torn, or frayed edge, clearly noticeable rupture of yarn along edge. Resulting in noticeable L/ tension along edge, or pucker, waviness, bagginess, or slackness that cannot be flattened by m
