1、MIL-C-444L3 3 M 977790b 0444666 T INCH POUND I MIL-C-44413 9 August 1990 (See 6.9) MILITARY SPECIFICATION COVER, NUCLEAR, BIOLOGICAL, AND CHEMICAL PROTECTIVE (NBC-CP) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE. 1.1 Scope. This specif
2、ication covers a lightweight disposable (low cost) cover to protect exposed supplies and equipment from nuclear/chemical/ biological attack and serves to ease the burden of decontamination throughout the Army. 1.2 Classification. The cover shall be of the following types and sizes as specified (see
3、6.2): Type I - Camouflage Green 483 Type II - Desert Tan 459 Type III - Reversible Camouflage Green 483/White Size 1 - 12 feet wide by 309 feet long Size 2 - 20 feet wide by 149 feet long e 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards and handbooks. The following
4、 specifi- cations, standards and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in
5、 the solicitation (see 6.2). Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be used in improving this document should be addressed to: U,S, Army Natick Research, Development, and Engineering Center, Natick, MA 01760-5014 by using the Standardization Docu
6、ment Improvement Proposal (DD Form 1426) appearing at the end of this document I or by letter. AMSC N/A FSC 8340 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesMIL-C-44413 3 W 9977706 0444bb7 1 MIL-C-44413 SPECIFICATIONS FED
7、ERAL PPP-P-1136 - Packaging of Coated (Plastic; Rubber) and Laminated Fabrics STANDARDS FEDERAL FED-STD-191 - Textile Test Methods FED-STD-595 - Colors Used in Government Procurement MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes (Unless otherwise indicated, copie
8、s of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents, drawings, and pubiications. The following other Government documents, drawi
9、ngs, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. CHEMICAL RESEARCH AND DEVELOPMENT CENTER CRDC-SP-84010 - Laboratory Methods for Evaluating Protective Clothing Systems Against Chemical Agent
10、s (Copies are available from the Chemical Research and Development Center, ATTN: DRSMC-CLW-P(A) , Aberdeen Proving Ground, MD 21010.) 2.2 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the I _II_ -_ _._ _
11、.,.I.A _y %Y” cidopted shall be those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). *-,-,- mF +h- A-t- r*l.:-h -CA AMERICAN SOCIETY FOR TES
12、TING AND MATERIALS (ASTM) F 904 - D 1424 - D 2103 - Comparison of Bond Strength or Ply Adhesion of Tear Resistance of Woven Fabrics by Falling-Pendulum Polyethylene Film and Sheeting Similar Laminates Made from Flexible Materials (Elmendorf) Apparatus 2 Licensed by Information Handling ServicesMIL-C
13、-44q13 3 = 777970b 0444bb 3 MIL-C-44413 (Application for copies should be addressed to the American Society for 0 Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187,) (Non-Government standards and other publications are normally available from the organizations that prepare or dist
14、ribute the documents. These documents also may be available in or through libraries or other informational services, ) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence, Nothing in this do
15、cument, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When Specified (see 6,2), a sample shall be subjected to first article inspection (see 6.3) in accordance with 4.3. 3,2 Standard sample, The cover shall match
16、 the standard sample for shade and appearance and shall be equal to or better than the standard sample with respect to all characteristics for which the standard sample is referenced (see 6.4). 3.3 Material. It is encouraged that recycled material be used when practical as long as it meets the requi
17、rements of this specification. 3.3.1 Base cloth. The base cloth shall be a plain woven fabric of yarn specified in 3.3.2. The yarn shall be either 8 by 8 per inch or 10 by 10 per inch in the warp and filling directions. The weight of the base cloth shall be 3.0 f 0.5 ounces per square yard. 33.2 m.
18、The yarn for the warp and filling of the fabric shall be slit film ribbons of high density polyethylene polymer, 900 2 50 denier, suitably compounded, oriented, and heat stabilized to meet the requirements of the laminated cloth (see table I). 3.3.3 Coating compound. The coating compound shall be a
19、low density polyethylene coating, suitably compounded and pigmented such that the finished, coated and laminated cloth conforms to the requirements of table I. 3.3.4 Cloth, coated. The base cloth specified in 3.3.1 shall be coated on each side with 1.5 - + 0.25 mil thickness of coating compound spec
20、ified in 3.3.3. 3.3.5 Film, laminated. The laminated film shall be 2 2 0.25 mils thick (see 6.10), and be suitably compounded such that the finished coated and laminated cloth conforms to the- requirements of table I. 3.4 Cloth, coated and laminated. The coated and laminated cloth shall be construct
21、ed so that it is layered .in the following progression: The coated - cloth, as specified in 3.3.4, shall be laminated to the laminated film 3 Licensed by Information Handling ServicesMIL-C-44413 3 m 9997906 044Libb9 5 m r s specified in 3.3.5. compound specified in 3.3.3, at a thickness of 1.5 2 0.2
22、5 mils. The face of the finished coated and laminated cloth shall be the side with the laminated film, specified in table I, when tested as specified in 4.4.4. The laminated film shall then be coated with the coating The coated and laminated cloth shall conform to the requirements TABLE I, Physical
23、requirements Requirements Characteristics Min. Max. Cloth, coated, laminated: Weight, ounces per square yard Thickness, mils Breaking strength, pounds: Warp Fi 11 ing Tearing strength, grams: Warp Filling Hydrostatic resistance, psi (face to water) Resistance to abrasion, percent strength loss: Warp
24、 Fi 11 ing Ply, adhesion, pounds per inch Flammability: Warp Fi 11 ing Warp Filling After flame time, seconds: After glow time, seconds: Resistance to toxicological agents, breakthrough time, hours: Mustard (HD) Thickened GD 7.0 7.5 135 135 3000 3000 175 - - 7 - - - - 72 72 10.0 10.5 20 20 168 168 3
25、.5 Color. The color of the cover shall be Camouflage Green 483 (matching color chip 34094 of FED-STD-595), Desert Tan 459 or a reversible Camouflage Green 483/White, as specified. 4 Licensed by Information Handling Servicesf MIL-C-44413 83 777770b 0444b70 L 3.5.1 Matching. The color of the finished
26、cover shall match the standard sample (see 6.4) when viewed under filtered tungsten lamps that approximate artificial daylight and that have a correlated color temperature of 7500 + 200 K, with illumination of 100 + 20 foot candles. The color shall be a good- match to the standard sampleunder incand
27、escent lamplight at 2300 1: 200 K. 3.6 Spectral reflectance. 3.6.1 Camouflage Green 483. When Camouflage Green 483 is specified, the spectral reflectance values for visible/near infrared wavelengths of the finished cloth shall meet the values specified in table II, when tested as specified in 4.4.4
28、TABLE II. Spectral reflectance (percent) for Camouflage Green 483 Wavelength Reflectance Wavelength Reflectance nanometers Max. Min, nanometers Max. Min, 600 620 640 660 680 700 720 12 5 12 5 12 5 13 5 15 7 21 12 30 20 740 42 30 760 50 39 780 56 45 ao0 60 47 820 63 49 840 65 50 860 66 51 3.6.2 Deser
29、t Tan 459. When Desert Tan 459 is specified, the spectral reflectance values for visible/near infrared wavelengths of the finished cloth shall meet the values specified in table III, when tested as specified in 4.4.4. TABLE III. Spectral reflectance (percent) for Desert Tan 459 Wavelength Reflectanc
30、e nanometers Max, Min. 700 720 740 760 780 800 820 860 a40 65 65 65 65 65 65 65 65 65 45 45 45 45 45 45 45 45 45 5 Licensed by Information Handling ServicesMIL-C-44433 83 W 9999906 0444673 3 t 5 MIL-C-44413 3.7 Width. 3.7.1 Size 1. The overall width of the cover, after selvage trimming, shall be not
31、 less than 12 feet (see 3.12). The cover shall be constructed to form the specified width using a maximum of three seams. 3.7.2 Size 2. The overall width of the cover, after selvage trimming, shall be not less than 20 feet (see 3.12). The cover shall be constructed to form the specified width using
32、a maximum of five seams. 3.8 - Seams, All seams shall be extrusion sealed. The cloth shall overlap 1 2 1/4 inch. contained in the extrusion seal shall be 1 to 2 mils in thickness. The extrusion seal shall be 1 2 1/4 inch in width. Material 3.9 Splicing. No splicing shall be allowed in the lengthwise
33、 direction on either size of cover in not more than 10 percent of an order. No roll shall contain more than one splice. The splice length shall be not less than 20 feet. 3.10 Marking. All edges in the length direction shall be marked with a brightly colored, removable tape every 39.3 inches. The tap
34、e shall be at least 6 2 1/2 inches long and 3/4 inch wide. perpendicular to the lengthwise edge of the cover. The tape shall be placed 3.11 Warning tag. A warning tag shall be attached to the edge of the roll with not finer than 5-ply cotton string doubled to not less than 8 2 1/2 inches long. paper
35、 stock and the finished surface shall not be calendered or pigmented to a degree which will cause the obliteration of printed, stamped, or typed markings. The warning tag shall have a reinforced eyelet for attaching the tying cord and shall be legibly printed with water insoluble ink with the inform
36、ation shown in figure 1. 1/16 inch high, All the information on the warning tag shall be printed, stamped, or typed. Hand lettered information is permitted, but hand written information is not permitted. The warning tag shall be made of not less than 15 point The height of the lettering shall be 1/4
37、 f. 3.12 Length. For government procurements only, the cover shall be put up in full width rolls as specified in 5.1.1 and shall be furnished in lengths and widths as specified below. Size 1 - 309 feet 2 36 inches in length and 12 feet 2 6 inches in width Size 2 - 149 feet $: 18 inches in length and
38、 20 feet 2 6 inches in width 3.13 Workmanship. The finished cover shall conform to the quality of product established by this specification and the occurrence of defects shall not exceed the applicable acceptable quality levels. 6 Licensed by Information Handling Services4, QUALITY ASSURANCE PROVISI
39、ONS 4.1 Responsibility for inspection, Unless otherwise specified in the e contract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) as specified herein. Except as otherwise specified in the contract or purchase order, the c
40、ontractor may use his own or any other facilities suitable for the performance 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 this specification where such inspections are deemed
41、necessary to ensure supplies and services conform to prescribed requirements. 4.1.1 Responsibility for compliance, All items shall meet all requirements of sections 3 and 5. The inspection set forth in this specification shall become a part of the contractors overall inspection system or quality pro
42、gram. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of ensuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturin
43、g operations, is an acceptable practice to ascertain conformance to requirements, however, this does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to accept defective material, 4.1.2 Responsibility for dimensional requirements. Un
44、less otherwise specified in the contract or purchase order, the contractor is responsible for ensuring that all specified dimensions have been met. When dimensions cannot be examined on the end item, inspection shall be made at any point, or at all points in the manufacturing process necessary to as
45、sure compliance with all dimensional requirements. o 4.1.3 Certificates of compliance. When certificates of compliance are submitted, the Government reserves the right to inspect such items to determine the validity of the certification. 4,2 Classification of inspections. The inspection requirements
46、 specified herein are classified as foliows: a. b. First article inspection (see 4.3). Quality conformance inspection (see 4.4). 4.3 First article inspection. When a first article is required (see 3.1 and 6.2), it shall be examined for the defects specified in 4.4.2 and 4.4.3, and tested for the cha
47、racteristics specified in 4.4.4, 4,4 Quality conformance inspection. Unless otherwise specified, sampling for inspection.shal1 be performed in accordance with MIL-STD-105. 7 Licensed by Information Handling ServicesMIL-C-44413 4.4.1 Component and material inspection. In accordance with 4.1, componen
48、ts and materials shall be inspected in accordance with all the requirements of referenced documents unless otherwise excluded, amended, modified or qualified in this specification or applicable purchase specification. 4.4.1.1 Component and material certification. A certificate of compliance may be a
49、cceptable as evidence that the characteristics listed below conform to the specified requirements. Characteristics Requirement paragraph Test method Plain weave Construction Weight Yarn identification Yarr. denier 3.3.1 3.3.1 3.3.1 3.3.2 3.3.2 Visual 5050 i/ 5041 i/ - - - - i/ Specified methods shall be in accordance with FED-STD-191. 4.4.2 End item visual examination. The completed covers shall be examined for the defects listed in table IV. Each cover in the sample unit shall be examined on one side only, however, the other side shall be alternated so that th
