1、MIL-C-3924J 83 m 999990b 0500938 2 e Beneficial comnents (reconiendations, additions, deletions) and any pertinent data which may be used in improving this document should be addressed to: U.S. Amy Natick Research, Developnt, and Engineering Center, Natick, MA 01760-5019 by using the Standardization
2、 Doc=ument Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. MIL-C-3924J 11 December 1991 SUPERSEDING MIL-C-392 4H 27 November 1987 MILITARY SPECIFICATION CUYIR, OXFORD, C(YIIDN WARP AND “LQN FILLING, ( distribution is unlimited. Licensed by Information Handling
3、 ServicesMIL-C-3924J 83 m 999990b 0500939 4 m MIL-C- 392 4 J SPECIFICATIONS A-A-50199 - Thread, Polyester Core, Cotton- or Polyester-Covered STANDARDS FEDERAL4 FED-STD-4 - Glossary of Fabric Imperfections FED-STD-191 - Textile Test Methods FED-STD-803 - Packaging of Cotton and Cotton-Synthetic Fiber
4、 Blend Fabrics (Excluding Duck Fabrics) (Unless otherwise indicated, copies of federal and military specifications, standards, and hanchmks are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 other Government documents, dr
5、awinqs, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. the issues are those cited in the solicitation. Unless otherwise specified, DRAWINGS U.S. ARMY NATIM RESEARCH, DEVELOPMENT, AND ENGINEERING CENT
6、ER 2-1-1516 - Woodland Pattern - 48 inches 2-1-1516B - Woodland Pattern - 60 inches 2-1-1884 2-1-2240 - - 6 Color Desert Pattern 48 skitteriness exceeding that Shawn by the standard sample in any of the printed areas will not be acceptable. the standard sample is not referenced for pattern execution
7、, a pttern drawing shall be provided, and the pattern on the finished cloth shall match that of Drawing 2-1-1516 or 2-1-15168 as specified (see 2.1.2, 6.2, and 6.4). When 3,4.3.2 Spectral reflectance, class 3. The spectral reflectance values for the visiblehear infrared wavelength range 600 to 860 n
8、anometers of the camouflage printed finished cloth shall conform to the requirements specified in table I when tested as specified in 4.4.3. TABLE I. Spectral reflectance requirements, class 3 Reflectance values (percent) Dark Green 355 Wavelengths Black 357 Light Green 354 and 356 nanmters (rim) Mi
9、n. Max. Min. Max. Min. Max. 600 620 640 660 680 7 O0 720 10 8 21 3 10 10 8 21 3 lo 10 8 21 3 lo 10 8 22 3 12 10 10 27 3 16 10 13 40 4 18 10 16 53 5 20 - - - - - - - MIL-C-3724J 83 9997706 0500743 2 4 I Licensed by Information Handling ServicesI I I I l I l I l I I I I I I I l l l I l I l l I i I l M
10、IL-C-3924J 83 9999906 0500942 4 = MIL-C-3924J TABLE I. Spectral reflectance requirements, class 3 (contd) Reflectance values (percent) Dark Green 355 Wavelengths Black 357 Light Green 354 and Brcwn 356 nancnneters (nm) Min. Max. Min. Max. Min. Max. 740 760 780 800 820 840 860 10 21 64 7 28 10 27 73
11、11 36 10 34 80 17 44 10 41 85 24 52 10 48 88 32 60 10 50 90 39 68 10 52 91 46 74 - - - - - - - 3.4.4 Color class 4. The cloth shall be dyed to a ground shade approximating Light Tan 379. by roller or screen printing using the five remaining rollers or screens, as appropriate, for Tan 380, Light Braw
12、n 381, Dark Brawn 382, Black 383, and Khaki 384 (see 6.5.3). The Desert camouflage pattern shall be obtained 3.4.4.1 Pattern execution, classes 4 and 5. The pattern shall reproduce the standard sample in respect to design, colors, and registration of the respective areas. finished cloth shall be 16.
13、75, +1.25 -1.75 inches. Shaw solid coverage. sample in any of the printed areas will not be acceptable. sample is not referenced for pattern execution, a pattern drawing shall be provided and the pattern on the finished cloth shall match that of Drawing 2-1-1884 for class 4 and 2-1-2240 for class 5
14、(see 2.1.2, 6.2 and 6.4). The warpvise pattern rept of the dyed, printed, and Each pattern area shall Skitteriness exceeding that Shawn by the standard When the stan- 3.4.4.2 Spectral reflectance, class 4. The spectral reflectance values for the 6 color Desert camouflage printed finished cloth shall
15、 conform to the requirements specified in table II when tested as specified in 4.4.3. TABLE II. Spectral reflectance requirements, class 4 Reflectance values (percent) Tan 380 and Light Brmm 381 Wavelengths Light Tan 379 Khaki 384 and Dark Brawn 382 nancnneters (nm) Min. Max. Min. Max. Min. Max. 700
16、 720 740 760 780 800 38 53 25 44 19 38 54 25 45 20 39 55 25 46 20 40 56 26 47 21 41 57 27 48 21 43 58 28 50 22 5 41 41 42 42 42 43 Licensed by Information Handling ServicesNIL-C-3924J 83 999990b OC00943 b MIL-C-3924 J TABLE II. Swctral reflectance reauirements, class 4 (contd) Reflectance values (pe
17、rcent) Tan 380 and Light i3rawn 381 Wavelengths Light Tan 379 Khaki 384 and Dark Brawn 382 nanometers (nm) Min. Max. Min. Max. Min. Max. 820 840 860 45 59 30 52 23 48 62 33 55 24 50 65 36 58 25 45 46 48 3.4.5 Color class 5. The color shall be the three-color Desert Camouflage Pattern (see 6.5.4). ma
18、tching or approximating Light Tan 492 and then overprinted with the camouflage pattern by roller or automatic screen printing. shade is dyed to match Light Tan 492, the two remaining colors shall be obtained by subsequent printing using two rollers or screens, as appropriate, to match the Light Braw
19、n 493 and Light Khaki 494 areas of the pttern. the ground shade is dyed to approximate Light Tan 492, all three colors of the camouflage pattern shall be obtained by subsequent printing using three rollers or screens to match all three colors. overprinting shall be accomplished using organic coloran
20、ts. The cloth shall be dyd to a ground shade either When the ground When The ground shade dying ami the 3.4.5.1 Spectral reflectance, class 5. The spectral reflectance values for the 3 color Desert camouflage printed finished cloth shall confom to the requirements specified in table III when tested
21、as specified in 4.4.3. TAELE III. Spectral reflectance requirements, class 5 Reflectance values (percent) Wavelengths Light Tan 492 Light i3rm 493 Light Khaki 494 nancnneters (nm) Min. Max. Min. Max. Min. Max. 700 38 53 19 41 25 44 720 38 54 20 41 25 45 740 39 55 20 42 25 48 760 40 56 21 42 26 50 78
22、0 41 57 21 42 27 52 43 58 22 43 28 54 45 59 23 45 30 56 800 820 840 48 62 24 46 33 59 860 50 65 25 48 36 62 3.4.6 Labile sulfur. When dyes and compounds containing elementary sulfur capable of oxidation to sulfuric acid are used, they shall be chosen and applied so that the dyed cloth shall contain
23、no mre labile sulfur than Shawn 6 Licensed by Information Handling ServicesMIL-C-3924J 83 m 9997906 0500944 8 MIL-C-3924J l I I l l I l I l l I I I by the standard sample. cloth shall show a rating of “slight“ or better for labile sulfur. shall be as specified in 4.4.3. When a standard sample is not
24、 available, the dyed Testing 3.4.7 Visual matchinq. All colors of the finished cloth shall match the standard sample when viewed under filtered tungsten lamps that approximate artificial daylight and that have a correlated color temperature of 7500 f 200K, with illumination of 100 f 20 foot candles,
25、 and shall be a good match to the standard sample under incandescent lamplight at 2300 f 200K. 3.4.7.1 Instrumental matchinq (class 3 onlyl. As an alternative to visual color matching, the finished cloth printed with the Woodland Camouflage Pattern shall be examined by using a spectrophotometer (see
26、 6.8) to compare each color in the pattern with the standard sample in the visible wavelength range (400 to 700 nananeters) of the electromagnetic spect-m. Each of the four colors in the pattern shall conform to the applicable maximum numerical tolerance for acceptability A) listed below when measur
27、ed as specified in 4.5.2. Color - AA Light Green 354 Dark Green 355 Brawn 356 Black 357 3.4.8 Colorfastness. 1.60 1.60 1.30 1.00 3.4.8.1 Classes 1 and 2. Class 1 cloth shall show fastness to laundering (after 3 cycles), perspiration, and light (after 20 standard fading hours) equal to or better than
28、 the standard sample or equal to or better than a rating of “good“. Class 2 cloth shall show fastness to laundering (after 3 cycles), perspiration, and light after 40 hours equal to or better than the standard sample or equal to or better than a rating of “good“. Class 2 cloth shall show fastness to
29、 crocking equal to or better than the standard sample or shall have .an AAKC Chromatic Transference Scale rating of not lower than 3.5. Testing shall be as specified in 4.4.3. 3.4.8.2 Class 3. Class 3 dyd and camouflage printed cloth shall show fastness to laundering (after 3 cycles), perspiration,
30、and light after 40 hours equal to or better than the standard sample or equal to or better than the rating of “good“ for each of the pttern areas, except Black 357 which shall be equal to or better than a rating of “fair“. Fastness to crocking shall be equal to or better than the standard sample or
31、shall have an AAKC Chrmtic Transference Scale rating not lower than 3.5 for all the pattern areas, except Black 357 which shall have an AA= Chromatic Transference Scale rating not lmer than 1.0. Testing shall be as specified in 4.4.3. O 7 Licensed by Information Handling ServicesMIL-C-3924J 83 99999
32、06 0500945 T m MIL-C-3924J 3.4.8.3 Classes 4 and 5. The dyed and Desert camouflage printed cloth shall show fastness to laundering (after 3 cycles), perspiration and light after 40 hours equal to or better than the standard sample or equal to or better than a rating of ffgoodf for each of the patter
33、n areas. The class 4 cloth shall show fastness to crocking equal to or better than the standard sample or shall have an AAEC Chromatic Transference Scale rating of not lower than 3.5 for all the pattern areas, except Black 383 which shall have an AAEC Chromatic Transference Scale rating of not lmer
34、than 1.5. The class 5 cloth shall show fastness to crocking equal to or better than the standad sample or shall have an AAEC Chromatic Transference Scale rating of not lower than 3.5 for all the pttern areas. in 4.4.3. Wsting shall be as specified 3.5 Physical requirements. The finished cloth shall
35、conform to the requirements specified in table IV when tested as specified in 4.4.3. TABLE IV. Physical requirements Weight per Breaking strength suuare yani Yarns per inch pounds ounces (minimum) (minimum) Class (min) (m) Warp Fillinq Warp Fillinq 1 4.8 5.8 160 74 140 125 2 4.8 5.8 160 74 150 125 3
36、 4.8 160 74 150 125 - 4, 5 4.8 - 160 . 74 150 125 3.5.1 Weave. The weave shall be oxford (2 warp ends weaving as one). 3.5.2 Width. The width of the cloth shall be as specified (see 6.2) and shall be the minimum acceptable width inclusive of the selvage when fly shuttle looms or shuttleless with tuc
37、k-in selvage lm are used. other shuttleless lams, the width measurement shall be made between the last warp yarn on each side excluding the protruding fringe(s). For all 3.6 Cloth preparation. The cloth shall be closely singed, fully desized, caustic scoured (through boil-off), and full mercerized.
38、3.7 DimenCional stability. The shrinkage or elongation both in the warp and in the filling of the finished cloth shall not be greater than 2.0 percent for the individual sample unit and not greater than 1.5 percent for the lot average when tested as specified in 4.4.3. used shall not be identified b
39、y name or trademark either on the cloth, ticket, or package. The preshrinking process 8 Licensed by Information Handling ServicesMIL-C-3924J 83 m 9997906 0500946 I MIL-C-3924J 3.8 Finish. 3.8.1 Water repellent treatment. Quarpl-type water repellent treatment (see 6.7). materials other than the appro
40、ved water repellents is prohibited. fabric shall be afterwashed to remove all unreacted compounds. cloth shall meet the requirements specified in table V when tested as specified in 4.4.3. The cloth shall be given an approved The use of finishing The cured The finished TABLE V. Water repellency and
41、air permeability requirements iiydmstatic Dynamic absorp- Air pemabil- height, cm tion, percent ity, CU ft/ spray Min Min2/ Max Max 3/ min/sq ft rating I/ at avg Lot avg Max, avg - Initial 90 90 80 35 30 20 25 35 30 - 3.0 A/ - After 3 - launderings - 20 25 - - - After 15 launderings - i/ Three indiv
42、idual determinations shall lx qual to or better than the ratings specified. No individual specimen shall fall below the specified minimum. No individual specimen shall exceed the specified maximum. - 2/ - 3/ - 4/ For classes 3, 4 and 5 fabric, the air permeability requirement shall be not greater th
43、an 4.0 CU. ft/min/sq. ft. 3.8.2 Resistance to orqanic liquid. The finished cloth shall shciw no wetting by n-tetradecane either initially or after 15 launderings when tested as specified in 4.4.3. 3.8.3 Nonfibrous material. Prior to the application of the water repellent treatment, the cloth shall h
44、ave no more than 2.0 percent starch and protein content (including chloroform-soluble and water-soluble material) when tested as specified in 4.4.3. 3.9 pH. The pH value of the water extract of the finished cloth shall be not less than 5.0 nor more than 8.5 when tested as specified in 4.4.3. 3.10 Se
45、am efficiency. The finished cloth shall show a seam efficiency of not less than 70 percent when tested as specified in 4.4.3. 9 Licensed by Information Handling ServicesNIL-C-3924J 83 9939906 0500947 3 MIL-C-3924J 3.11 ienqth and put-up. Unless otherwise specified (see 6.2), the cloth shall be furni
46、shed in continuous lengths, each not less than 40 yards. length shall be put up on a roll as specified in 5.1. Each 3.12 Fiber identification. Each roll shall be labeled or ticketed for fiber content in accordance with the Rules and Regulations Under the Textile Fiber Products Identification Act. 3.
47、13 Face identification (classes 1 and 2). The face side of the classes 1 and 2 cloths shall be identified by stamping one side with the word “FACE“ at each end of the roll. 3.14 Workmanship. The finished cloth shall confom to the quality of product established by this specification. yards when calcu
48、lated as specified in section 4 shall not exceed the applicable established maximum point values. The demerit points per 100 square 4, QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the p
49、erformance of all inspection requirements (examinations and tests) as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his awn or any other facilities suitable for the perform- ance of the inspection requirements specified herein, unless disapproved by the Government. inspections set forth in this specification where such inspections are deemed necessary to ensure supplies and services confom to prescribed requirements. The Govenunent reserves the right to perfom any of the 4.1.1 Responsibli
