1、INCH-POUND MIL-DTL-32200 14 December 2005 DETAIL SPECIFICATION COVER, ADVANCED COMBAT HELMET This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This document covers the requirements for a helmet cover that is worn over the Advance
2、d Combat Helmet (ACH). 1.2 Classification. The helmet covers will be of the following types and classes as specified in 6.2. Type I Without Communications Flap Class 1 Woodland Camouflage Pattern Class 2 Snow Camouflage, White Artic Class 3 Desert Camouflage Pattern Class 4 Universal Camouflage Patt
3、ern Type II With Communications Flap Class 1 Woodland Camouflage Pattern Class 2 Snow Camouflage, White Artic Class 3 Desert Camouflage Pattern Class 4 Universal Camouflage Pattern 1.3 Schedule of sizes. The helmet cover is constructed in the following sizes (see 6.2). SCHEDULE OF SIZES Small/Medium
4、 Large/Extra Large Comments, suggestions, or questions on this document should be address to: Defense Supply Center Philadelphia, Clothing and Textiles Directorate, Attn: DSCP-COET (Bldg 6), 700 Robbins Ave., Philadelphia, PA 19111-5092 or emailed to James.Heimandla.mil. Since contact information ca
5、n change, you may want to verify the currency of this address information using the ASSIST online database at http:/assist.daps.dla.mil. AMSC N/A FSC 8415 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32200 22. APPLICABLE DOCUMENTS 2.1 Gene
6、ral. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completene
7、ss of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government Documents 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, an
8、d 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 solicitation or contract (see 6.2). FEDERAL SPECIFICATIONS V-T-295 - Thread, Nylon COMMERCIAL ITEM DESCRIPTIONS A-A-50199 - Thread, Polyester Cor
9、e, Cotton or Polyester-Covered A-A-55126 - Fastener Tape, Hook and Loop, Synthetic DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-C-44031 - Cloth, Camouflage Pattern: Woodland, Cotton and Nylon MIL-C-44034 - Cloth, Twill, Camouflage Pattern, Cotton and Nylon for Desert Uniform MIL-DTL-32072 - Thread, Poly
10、ester MIL-DTL-32075 - Label: For Clothing, Equipage, and Tentage, (General Use) MIL-DTL-44431 - Cloth, Plain Weave, Nylon Filament, Lightweight MIL-PRF-5038 - Tape, Textile and Webbing, Textile, Reinforcing, Nylon (Copies of documents are available online at http:/assist.daps.dla.mil or from the Sta
11、ndardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless oth
12、erwise specified, the issues are those cited in the solicitation or contract. DRAWINGS U.S. ARMY RESEARCH, DEVELOPMENT AND ENGINEERING COMMAND, NATICK SOLDIER CENTER 2-1-1516 - 4 Color Woodland Pattern 2-1-2240 - 3 Color Desert Pattern 2-1-2519 - Universal Camouflage, ARPAT, 3-Color 2-1-2519-1 - Uni
13、versal Camouflage, ARPAT, Desert Sand 500 2-1-2519-2 - Universal Camouflage, ARPAT, Urban Gray 501 2-1-2519-3 - Universal Camouflage, ARPAT, Foliage Green 502 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32200 3(Copies of drawings, publica
14、tions, and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity.) 2.3 Non-Government standards and other publications. The following documents form a part of this document to the extent specified herein.
15、 Unless otherwise specified, the issues of the documents are those cited in the solicitation or contract (see 6.2). AMERICAN SOCIETY FOR QUALITY ANSI/ASQ Z1.4 - Sampling Procedures and Tables for Inspection by Attributes (Copies of documents are available online at www.asq.org or from the American S
16、ociety for Quality Control, 600 Plankinton Avenue, Milwaukee, WI 53203.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D-6193 - Standard Practice for Stitches and Seams (Copies of documents are available online at www.astm.org or from the American Society for Testing and Materials, 100 Barr
17、 Harbor Drive, West Conshohocken, PA 19426-2959.) AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) AATCC-61 - Colorfastness to Laundering, Home and Commercial: Accelerated (Copies of documents are available online at www.aatcc.org or from the American Association of Textile Chemists an
18、d Colorists, P.O. Box 12215, Research Triangle Park, NC 27709-2215.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.
19、) 2.4 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 document however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREM
20、ENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection (see 4.2 and 6.3). 3.2 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible pr
21、ovided that the material meets or exceeds the requirements of this document and promotes economically advantageous life cycle costs. 3.3 Design. The cover is designed to fit over the Advanced Combat Helmet (ACH). Four classes provide different covers for use in the woodland, arctic and desert enviro
22、nments. The cover provides the helmet with signature reduction in the visible and near infrared spectral ranges, which provides against detection by visual observation or through passive night vision devices. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
23、HS-,-,-MIL-DTL-32200 4The cover contains buttonholes that allow for the attachment of indigenous plant material and other camouflage enhancing aids. The cover also provides noise reduction (softening noise if the helmet strikes an object). The Type II covers have a communications flap in the rear. T
24、he communications flap is used to store cables from the headset-microphone that is sometimes used with the helmet. Figure 1 is an illustration of the communications flap to supplement the information in the patterns. 3.3.1 Basic material. 3.3.1.1 Class 1 (woodland). The basic cloth for the woodland
25、camouflage cover shall be Cloth, Camouflage Pattern: Woodland, Cotton and Nylon in accordance with MIL-C-44031, Class 1. 3.3.1.2 Class 2 (artic). The basic cloth for the snow camouflage cover shall be Cloth, Plain Weave, Nylon Filament, Lightweight conforming to MIL-DTL-44431. 3.3.1.3 Class 3 (deser
26、t). The basic cloth for the desert camouflage cover shall be Cloth, Twill, Camouflage Pattern, Cotton and Nylon for Desert Uniform conforming to MIL-C-44034, Class 3. 3.3.1.4 Class 4 (universal). The basic cloth for the universal camouflage cover shall be Cotton/Nylon blend twill as specified in MIL
27、-C-44031, Class 1, except as otherwise specified in this document. 3.3.1.4.1 Class 4 pattern execution (universal). The universal camouflage shall be in accordance with drawing number 2-1-2519 and accurately match the Desert Sand 500, Urban Gray 501, and Foliage Green 502 shades and patterns. 3.3.1.
28、4.2 Class 4 spectral reflectance (universal). The universal pattern print finished cloth shall meet the spectral reflectance values (in percent) for the visible/near infrared wavelength range, 600 to 860 nanometers (nm) for the colors specified in Table I, when tested as specified in paragraph 4.5.1
29、 of MIL-C-44031. Table I Spectral reflectance requirements (universal). Infrared Reflectance Requirements (percent) Wavelength Desert Sand 500 Urban Gray 501 Foliage Green 502 (nanometers) Min Max Min Max Min Max 600 28 40 12 26 8 18 620 30 42 14 26 8 18 640 34 48 14 28 8 20 660 38 56 14 30 10 26 68
30、0 44 60 18 34 10 26 700 46 66 24 38 12 28 720 48 68 26 42 12 30 740 48 72 30 46 16 30 760 50 74 32 48 18 32 780 54 76 34 48 18 34 800 54 76 34 50 20 36 820 54 76 36 54 22 38 840 56 78 38 54 24 40 860 56 78 40 56 26 42 Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
31、se from IHS-,-,-MIL-DTL-32200 53.3.2 Fastener tape, hook and loop. The hook and loop fastener tape for the retaining tabs and the IFF tab shall be 1 inch wide and conform to Type II, Class 1 of A-A-55126. The hook and loop fastener tape for the communications flap shall be 5/8 inch wide and conform
32、to Type II, Class 1 of A-A-55126. The tape colors used shall be Camouflage Green 483, Light Tan 492, White, and Foliage Green 504. The color of the tape shall be as specified in 3.6.1 and 3.6.2. The patterns show separate hook and loop pieces sewn together for the retaining tabs. A “back-to-back” ho
33、ok and loop product with hook on one side and loop on the other may be used on the condition that the piece meets the requirements of A-A-55126, Type II, Class 1. 3.3.3 Webbing. The webbing for the IFF tab shall be 1 inch wide and conform to Type III of MIL-PRF-5038. The tape colors used shall be Ca
34、mouflage Green 483 for Class 1 covers, White for Class 2 covers, Light Tan 492 for Class 3 covers and Foliage Green 504 for Class 4 covers. 3.3.4 Identification friend or foe (IFF) (Glint) tape. The material for the IFF tape, also known as glo-tape or glint tape shall be Night Vision Equipment Compa
35、ny IFF-55 sewn-on infrared reflective glo-tape, Ominglow, Part Number 9-30142, TVI, Part Number 2B with knit, Supply Captain, Part Number 3999-NV or equal. The finished size of the IFF tape shall be 3/4-inch by 3/4-inch square. 3.3.5 Thread. The thread shall conform to either A-A-50199, Type I or Ty
36、pe II size 50/2 for the needle and looper (bobbin) or size B of V-T-295, Type I or II, Class A, Thread Nylon or MIL-DTL-32072, Type I or II, Class 1, Size B, Thread Polyester. As an alternative for looper (bobbin) thread size 70/2 or size AA may be used. The buttonhole thread shall be size 50/2 of A
37、-A-50199, Type I or II or Size B of V-T-295, Type I or II, Class A. All thread shall be non-staining and show good colorfastness to laundering when tested according to AATCC-61, Test 3A (4 cycles). The thread colors used shall be Camouflage Green 483, Light Tan 492, White and Foliage Green 504 (see
38、3.4.2). 3.4 Construction. 3.4.1 Stitches and seams. All the stitching and seam types shall conform to ASTM D-6193 and the stitch and seam types listed in Table II. Each row of stitching shall be straight and parallel to the seam. The thread tension shall be maintained so that there shall not be any
39、loose or tight stitching and the lock shall be embedded in the materials sewn together. No seam or component shall be twisted, puckered, or pleated and no part of the helmet cover shall be caught in an unrelated operation or seam. All material shall be clean finished, edges shall be turned in, turne
40、d under, or surged. Seams shall be sewn such that there are no raw edges, run-offs, or open seams. All seams shall start and finish evenly. To maintain durability and functionality the seams shall be sewn with 10-14 stitches per inch for all outside visible stitching. Overedging shall be 16-18 stitc
41、hes per inch. The edge and topstitching shall be uniformly gauged. Stitch gauge (the distance from stitch to edge of fabric) shall be a minimum of 1/16-inch for the hook and loop fastener tape and the label. The stitch gauge for all other edge stitching shall be a minimum of 1/8-inch. The patterns p
42、rovide for a 3/8-inch seam allowance for all joining seams, except double lapped seams, which have 5/8-inch seam allowance. 3.4.2 Manufacturing requirements. Unless otherwise specified, the helmet cover shall be manufactured in accordance with the requirements in Table II. Provided by IHSNot for Res
43、aleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32200 6TABLE II Construction. Operation Seam Type Stitch Type Overall general stitching (topstitching) 1/ SSa-1 301 Sides (2) to center crown 1/ SSa-2 515, 516, 517, 518, or 519 Joining facings 1/ LSc-2 301 or 401 Outsid
44、e edge facing (serging) 1/ EFd-1 502, 504, 505 Facing to cover unit 1/ a. Facing seam edge (serging) b. Topstitching on seam SSa-2 Topstitch 515, 516, 517, 518, or 519 301 Tabs, join hook and loop back to back 2/, 5/ Stitch tabs to facing so that tab overlaps facing 3/8 inch (+ 1/8, -0) 2/ SSa-1 wit
45、h topstitching LSa-1 with topstitching Bartack full width of tab 301 304 301 or 401 Buttonhole 1/ a. Facing b. Crown/side crown 3/ 3/ 301 or 401 301 or 401 Communications facing to crown 1/ a. 1-3/4 (+ 1/8) inch X 2-3/4 (+ 1/8) inch finished main opening SSc 301 Communications flap to crown 1/, 4/ a
46、. 4-1/2 (+ 1/8) inch flap b. Tuck top portion of flap 2-1/2 (+ 1/8) inch width c. Attach flap EFb - LSbj-1 301 - 301 Communications flap loop to communications flap 1/ LSbj-1 301 Communications flap hook to crown 1/ LSbj-1 301 IFF (Glint) Tape to Crown or Side 1/ LSbj-1 301 - Bartack IFF (Glint) Loo
47、p to Crown or Side 1/ LSbj-1 301 - Boxstitch or Box-X IFF (Glint) Tab to Crown or Side 1/ Bsa-1 301 - Bartack IFF (Glint) Hook to IFF (Glint) Tab 1/ LSbj-1 301 - Bartack Label if sewn 1/ LSbj-1 301 1/ Using Camouflage Green thread on the Class 1 cover, White thread on the Class 2 cover, Light Tan th
48、read on the Class 3 cover, and Foliage Green on the Class 4 cover. 2/ Use Camouflage Green thread on the Class 1, Camouflage Green or White thread on the Class 2, Light Tan thread on the Class 3 cover, and Foliage Green on the Class 4 cover. Thread color shall match tab color. 3/ Buttonholes shall b
49、e stitched with no empty gaps and no fraying. 4/ Topstitch flap at 2-1/2 (+ 1/8) inch finished width 2-1/2 (+ 1/8) inch down from top of flap. Place small bartack or backstitch reinforcement at end of topstitch. Finish with boxstitch Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32200 7(2-1/2 (+ 1/8) inch X 1/2 (+ 1/8) inch) on top por
