1、MIL-C-19377C 3 M 777770b 0381379 9 MIL- C - 19 3 7 7 B (NAVY) 2 December 1968 MILITARY SPECIFICATION CLOTH, TWILL, NYLON This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for one type of
2、 a 3.0 ounce nylon twill cloth that is to be coated and used for inflatable sea survival equipment. . 2. APPLICABLE DOCUMENTS 2.1 Issues of documents. The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the exte
3、nt specified herein: SPECIFICATIONS FEDERAL PPP-P-1133 STANDARDS FEDERAL -Packaging and Packing of Synthetic Fiber Fabrics FED-STD-191 -Textile Test Methods -*,b.-w U.S. Marine Corps standard green color. (This color standard may be obtained from the Commanding General, Marine Corps Logistics Base (
4、Attn: Code P822), Albany, GA 31704.) 3.5 Finish. The cloth may be calendered and shall have a natural finish. 3.5.1 Non-fibrous material. The total chloroform-soluble and water-soluble material content of the finished cloth shall not exceed 1.0 percent when tested as specified in table V. 3.5.2 Copp
5、er and manganese content. The cloth shall contain not more than 0.01 percent copper or more than 0.001 percent manganese when tested as specified in table V. 3.6 Heat setting. The cloth shall be uniformly heat set. The cloth shall show no appreciable distortion or puckering when tested as Specified
6、in 4.6.2. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-39377C 3 m 9999906 0383382 9 m 3.7.1 Width. The width shall be as specified by the acquiring activity . 3.7.2 Length. Unless otherwise specified, the cloth shall be in one continuous
7、piece of not less than 40 yards in length. be put up on rolls as specified in PPPrP-1133. Each length shall 3.8 Fiber identification. Each roll of cloth shall be labeled for fiber content in accordance wiEh the Textile Fiber Products Identi- fication Act. 3.9 Ax. The yarn shall be not more than 3 ye
8、ars old from the date of manufacture to the date of manufacture of cloth. 3.10 Workmanship. The finished cloth shall conform to the quality and grade of product established by this specification. defects shall not exceed the acceptable quality levels specified herein. The occurrence of 4 QUALITY ASS
9、URANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection requirements as specified herein. in the contract, the contractor may use his own or any other facilities suitable for the performance
10、of the inspection requirements specified 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 and services conform to prescribed requirements. Ex
11、cept as otherwise specified 4.1.1 Certificate of compliance. Where certificates of compliance are submitted, the Government reserves the right to check test such items to determine the validity of the certification. 4.2 Classification of inspection. The inspection requirements specified herein are c
12、lassified as follows: 1. 2. First article inspection (see 4.3). Quality conformance inspection (see 4.4). 4.2.1 Inspection conditions. Unless otherwise specified, all testing shall be performed in accordance with the test conditions specified in FED-STD-191. MIL-C-19377C 3.7 Dimensions. 4 Provided b
13、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-17377C 3 I 7779706 0383383 O I * MIL-C-19377C 4.3 First article inspection. When required (see 6.2), the first article sample submitted in accordance with 3.1 shall be visually inspected for appearance, co
14、lor and finish, and shall be examined and tested as speci- fied in 4.4.1 and 4.6. A sample consisting of 3 yards (u11 width) shall be submitted for the exam-;nation and tests. 4.4 Quality conformance inspection. The quality conformance inspection shall consist of the examinations in 4.4.1 through 4.
15、5 and the tests specified in table V. 4.4.1 Examination of the end item. Examination of the end item shall be in accordance with 4.4.1.1 through 4.4.1.4. 4.4.1.1 Yard-by-yard examination. The required yardage of each roll shall be examined on one side only. The side examined, however, shall be alter
16、nated so that the alternate rolls are examined on the face and back respectively. The cloth shall be run over a bank of lights having suffi- cient intensity to show defects at a normal inspection distance of 2 feet. Each sample unit shall be examined for the defects listed in table II. All defects f
17、ound shall be counted regardless of their proximity to each other, except where two or more defects represent a single localized condition of the cloth, in which case, only the more serious defect shall be counted. A continuous defect shall be counted as one defect for each warp (lengthwise) yard or
18、 fraction thereof in which it occurs. examination shall be one linear yard. units of one linear yard each. The sample size for this examination shall be based on inspection level II and the acceptable quality level (AQL) shall be 2.5 major and 5.0 total defects per 100 units (yards). rolls, from whi
19、ch the sample is to be selected, shall be in accordance with table IV. An approximate equal number of yards shall be examined in each roll of the sample. The sample unit for this The lot size shall be expressed in The number of 4.4.1.2 Overall examination. Each roll in the sample shall be examined f
20、or the defects listed in table III. The sample unit shall be one roll. The sample size (number of rolls selected as sample) shall be as shown in table IV. The sample for the overall examination may be selected from the rolls used for the yard-by-yard examination. One or more defects in any roll shal
21、l be cause for rejection of the lot represented by the sample. 4.4.1.3 Examination for length. 4.4.1.3.1 Individual rolls. During the yard-by-yard examination, each roll in the sample shall be examined for length. Any length found to be less than the minimum specified or more than two yards less tha
22、n the length marked on the ticket shall be considered a defect with respect to length. It shall also be a defect if the number of pieces in any roll exceed that Specified. The lot shall be unacceptable if one or more rolls in the sample are defective in respect to length. 5 Provided by IHSNot for Re
23、saleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-19377C 83 m 797770b 0383384 2 m MIL- c - 19 3 7 7 c 4.4.1.3.2 Total ya,rdage in sample. The lot shall be unacceptable if I the total actual gross length of rolls in the sample is less than the total of the gross length ma
24、rked on the tickets. 4.4.1.4 Examination for cdnpliance with the Rules and Regulations under the Textile Fiber Products Identification Act. During the yard-by-yard examination, each roll in the sample shall be examined for conformance to the Rules and Regulations under the Textile Fiber Products Ide
25、ntification Act. Each roll not labeled in accordance with this Act shall be a defect. occur. The lot shall be unacceptable if two or more of these defects 4.5 Examination of packaging requirements. An examination shall be made in accordance with the provisions of PPP-P-1133 to determine that packagi
26、ng, packing and marking comply with section 5 requirements of this- specification. 4.6 Testing of the end item. The methods of testing Specified in The physical and chemical values specified in section 3 apply to the All test reports shall. contain the FED-STD-191, whenever applicable, and as listed
27、 in table V shall be fol- lowed. average of the determinations made on a sample unit for test purposes as specified in the applicable test method. individual values utilized in expressing the final result. for testing shall be 3-1/2 yards (full width) of the finished cloth. lot size shall be express
28、ed in units of one yard each. unacceptable if one or more units fail to meet any test requirements speci- fied. accordance with the following: The sample unit The The lot shall be The sample size (number of sample units to be tested) shall be in Lot size in yards Sample size in units 800 or less 801
29、 up to and in cluding 22,000 22,001 and over 4.6.1 Shrinkage. After conditioning for not less than 4 hours, an . 18 in. square shall be marked on a 20 in. square specimen of the cloth by means of a template, using indelible ink. accommodate the specimen prepared as described below shall be filled to
30、 within 3 in. of the top with water, which shall then be heated to a boil. The specimen shall be placed in the boiling water in a “skein“ form prepared by stapling two opposite sides of the specimen together to form a loop or “skein“. This shall then be placed over a glass rod 1/4 in. in diameter an
31、d 21 in. in length. A glass rod 1/4 in. in diameter and 21 in. long weighing approximately 100 grams, or of sufficient weight to hold the specimen in place in bath, shall be placed inside the loop at the bottom. shall then be suspended in the boiling water bath by attaching it to another A metal tub
32、 of adequate size to The loop b Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-19377C rection. 4.6 least 12 parallel men shal glass rod 24 in. long and 1/4 in. in diameter by means of twine or wire. The 24 in. glass rod shall rest on the top o
33、f the tub allowing the specimen to hang freely in the bath. The specimen shall be subjected to the action of the boiling water bath for a period of 15 minutes. then be removed from the tub and placed flat on a horizontal screen to dry. After the specimen is thoroughly dry, it shall be exposed for at
34、 least 4 hours to a standard atmgsphere of 65 percent relative humidity and at a temperature of 2l0C (70 F). The 18 in. square shall then be measured in three places in the warp direction and three places in the filling di- The specimen shall The percent shrinkage shall then be calculated. 2 by 12 i
35、n. to the warp and filling directions of the fabric. Heat test. The test specimen shall be a square cloth at It shall be laid flat without tension, having sides The test speci- be placed in an oven maintained at 138 f. l0C (280 k 2OF) for a period of two hours. At the end of this period, the specime
36、n shall be removed from the oven, and conditioned under standard atmospheric con- ditions. heated fabric for the presence of distortion, puckering and fading or change in color. The specimens shall be visually compared with the original un- 5. PACKAGING 5.1 Packaging. Packaging shall be level A or C
37、 as Specified (see 6.2 and 6.2.1). 5.1.1 Levels A and C. The chth, put up as specified, shall be packaged in accordance with the applicable requirements of PPP-P-1133. 5.2 Packing. Packing shall be level A, B or C as specified (see 6.2 and 6.2.1). 5.2.1 Levels A, B and C. The cloth shall be packed i
38、n accox i-pe with the applicable requirements of PPP-P-1133. 5.3 Marking. In addition to any Special marking required by the contract or order, shipments shall be marked in accordance with the require- ments of PPP-P-1133. 6. NOTES 6.1 Intended use. This cloth is intended to be coated for use in the
39、 manufacture of inflatable sea survival equipment. 6.2 Ordering data. Acquisition documents should specify the following: 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-17377C 83 m 777730b 0381386 b W MIL-C-19377C a. Title, number and date o
40、f this specification. b. Color (see 3.4). c. Quantity and dimensions of cloth required (see 3.7). d. Selection of applicable levels of packaging and packing (see 5.1 and 5.2). e. Width tolerance (3.7.1). f. First article, if required (see 3.1 and 4.3) and where samples are to be forwarded (see 6.3).
41、 In the preparation of contracts and orders, it must be noted that various options, choices and alternatives as indicated in PPP-P-1133 may be exercised in the packaging and packing of this cloth. 6.3 First article. When a first article is required, it shall be tested and approved under the appropri
42、ate provisions of 7-104.55 of the Defense Acquisition Regulation (DAR). The first article shall be a prepro- duction item. The first article should consist of one sample unit. The contracting officer should include specific instructions in all acquisition instmments, regarding arrangements for exami
43、nations, tests and approval of the first article. 6.4 Changes from previous issue. Asterisks are not used in this revision to identify changes with respect to the previous issue due to the extensiveness of the changes. Custodians: Navy - AS Air Force - 11 Review activity Navy - SH Preparing activity
44、: (Project No. 8305-0721) Navy - AS 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-v 1 a a a MIL-C-L9377C 3 = 7799906 0381387 MIL-C-19377C TABLE I. Cloth properties. Characteristics Weave Weight, ounces/sq. yd. Yarns per inch, mnimum: Warp Filling
45、 Breaking strength, grab, pounds minimum: As received: Warp Fil ling After accelerated weathering, percent loss maximum Tearing strength, tongue, pounds minimum: Warp Filling Shrinkage, percent, maximum: Warp Fi 11 ing Colorfastness to: Laundering Dry cleaning Crocking Light Per spiration Acidity, p
46、H Requirement s 2/2 right-hand twill 3.0 - 3.3 165 96 180 170 40 10. o IO, o 2.0 2. o Good Good Munsell value not lower than 8.5 Good Good 5.0 - 8.5 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-19377C 83 W 7979306 0381388 T W MIL-C-19377C
47、Table II. List of defects DEFECTS Filling-wise : Broken or missing picks: Two or more adjacent picks missing or broken One pick missing or broken 3 inches or more Double pick or mispick: Clearly visible, heavy pick caused by pick woven in improper place Jerked-in or pulled-in filling: Extra thread l
48、ashed into filling Clearly visible, open place or distortion of fabric extending more than 4 inches from edge Mixed, uneven or soiled filling; fine or coarse filling : Adjacent filling-wise areas varying visibly in shade Pick-out mark as pressure mark: Clearly visible, pick out or pressure mark resu
49、lting in open place or distortion of fabric Slack or tight pick: Clearly visible Warp-wise: Broken or missing end Two or more adjacent ends missing or broken One broken or missing end 3 inches or more Slack or tight ends: Clearly visible Reed mark: Clearly visible Floats or skips: 3/8 in. or more in either direction Less than 3/8 in. in either direction Fuzz balls or stripbacks - i/: Clearly visible Slub, slough-off, bunch, knots, k
