1、- a a a MIL-C-43742B 4 7777706 0375725 O M MIL-C-43742B 3 March 1981 SUPERSEDING MIL-C- 43 74 2A 7 November 1975 MILITARY SPEC IF ICATION COVER, WATER CANTEEN, LC-2 This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specifica
2、tion covers one type and size canteen cover fabricated from nylon cloth, nylon webbing and acrylic pile liner material. 2. APPLICABLE DOCNENTS 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 specifi-
3、 cation to the extent specified herein: SPECIFICATIONS FEDERAL V-T-285 - Thread, Polyester UU-P-268 - Paper, Kraft, Wrapping DDD-L-20 - Label: for Clothing, Equipage and Tentage (General Use) PPP-B-636 - Boxes, Shipping, Fiberboard MILITARY NIL-W-4088 - Webbing, Textile, Woven Nylon MIL-T-5038 - Tap
4、e, Textile and Webbing, Textile, Reinforcing, Nylon Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Natick, HA 01760 by using the self-addressed Standardization Document Improvement Proposal (DD
5、 Form 1426) appearing at the end of this document or by letter. US Army Natick Research and Development Laboratories, . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-V3742B 4 = 7777706 0375736 2 I.lIL- C-43 742B MIL-C-7219 - Cloth, Duck, Nylo
6、n NIL-H-9890 - Hardware, Individus Load Carrying Equipment: an1 Hardware, 14iscellaneous NIL-F-10884 - Fasteners, Snap EIIL-E-20652/1- Eyelets, liletallic, Rolled Flange Type; and Eyelet NIL-F-21840 - Fastener Tapes, Hook and Pile, Synthetic MIL-W-27265 - Webbing, Textile, Woven Nylon, Impregnated M
7、IL-043103 - Canteen, Water, Plastic, with Screw Cap NIL-C-43251 - Cloth, Pile, Acrylic Fiber Pile vSIL-C-43761 - Cup, Water Canteen, w/Wire Handle, Corrosion- Washer Resisting Steel STANDARDS FEDERAL FED-STD-751 - Stitches MIL ITAJXY Seams, and Stitchings MIL-STD-105 - Sampling Procedures and Tables
8、 for Inspection by Attributes MIL-STD-129 - Harking for Shipment and Storage MIL-STD-147 - Palletized Unit Loads HIL-STD-1188 - Commercial Packaging of Supplies and Equipment 1-23 27980 - Fasteners, Snap, Style 2 (Regular Wire Spring Clamp Type) DRAWINGS U. S. AR Assembly, Details, and 2-2-31 - Cove
9、r Water Canteen, LC-2; Details A 2-2-32 - Cover Water Canteen, LC-2; Details B Sect ions (Copies of specifications, standards, drawings and publications required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the cont
10、racting officer.) 3. XEQUIREI4ENTS 3.1 Samples. 3.1.1 Guide sample. Guide samples of the end item, when furnished, are solely for guidance and information to the contractor (see 6.3). Variations from this - specification may appear in the sample, in which case this specification shall govern *, 2 Pr
11、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C- 437 4 2B 3.1.2 First article, When specified (see 6.2), the contractor shall furnish a sample for the first article inspection and approval (see 4.3 and 6.4). 3.2 Materials (see 6,6), 3.2.1 Gloth,
12、duck, nylon. The 7.25 oz. nylon duck cloth shall be Olive Green 106, water repellent treated, conforming to type III, class 3 of MIL-C-7219. * 3.2.2 Cloth, pile, acrylic fiber pile, The lining cloth shall be acrylic knit pile, color Green conforming to class 1 of MIL-C-43251, except that the require
13、- ments for color matching, dullness, and colorfastness shall not apply. * 3.2.3 Webbing, nylon 3/4, 1-1/4 and 2-1/4-inch widths. The 3/4-inch type Ia, l-1/4-inch type III, and 2-1/4-inch type VILIc webbing before treatment, shall conform to class 2 of NIL-W-4088. The webbing shall be dyed Olive Dra
14、b 7 to match the standard sample (see 6.3). 3.2,3.1 Resin treatment. The webbing shall be resin impregnated to conform to class K of MIL-W-27265. 3.2.4 Tape, nylon. The nylon binding tape shall be dyed Olive Drab 7 and shall confonh to type III, 1 inch width of MIL-T-5038. * 3.2.5 Thread, polyester.
15、 The poiyester thread shall conform to type I, class 1, subclass B of V-1-285. Sizes shall be as follows: For attaching piece “A“, piece “B“ , body reinforcement, Size F flap reinforcements and side and bottom closing. For pocket, pocket flap, attaching lining to body and bottom, bartacking and bind
16、ing. Size E 3.2.5.1 - Color. The thread shall be dyed Olive Drab S-1 (C.A. 66022) and shall show fastness to weathering equal to or better than the standard sample (see 6,3). If no standard sample is available, the thread shall show good fastness to weathering. 3.2.6 Fastener tape, hook and pile, ny
17、lon. The hook and pile fastener tape shall be dyed shade Olive Green 106, and shall conform to type II, class 1, 5/8 inch of MIPF-21840. 3.2.7 Keeper with slide. The keeper with slide shall be steel, black, and shall conform to type X of HIPL-H-9890. 3.2.8 Fasteners,. The snap fasteners shall confor
18、m to style 2, finish 2, size 1 of MIL-F-10884, and shall be Part Numbers MS 27980-1B (Button), -6B (Socket), -7B (Stud), and -8B (Eyelet) of ES 27988. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-LI3742B 89 9777706 0375738 b = XCL-C- 4 374
19、 2B 3.2.9 Eyelet, aluminum, black. The black enameled aluminum eyelet shall conform to Dash No. ABE 131 of MIL-E-20652/1. 3.3 Construction. The construction shall conform in dl respects to the drawings listed in section 2 and as specified herein. * 3.3.1 Stitches, seams and stitchings. All stitching
20、, except bartacking, shall conform to FED-STD-751 as follows: Por attaching piece “A“, piece ItBtt, body reinforcement, Type 301, 6 to flap reinforcements and bottom closing. 8 stitches per inch For pocket, pocket flap, attaching lining to body Type 301, 8 to 10 stitches per and bottom, and for bind
21、ing. (As an option the stitching for attaching the.bottom lining to the inch bottom may be type 401, 8 to 10 stitches per inch). * 3.3.1.1 Automatic stitching. Automatic machines may be used to perform any of the stitch patterns provided the requirements for the stitch pattern, stitches per inch, an
22、d size and type of thread are met; and at least three tying, overlapping or backstitches are used to secure the ends of stitching. 3.3.1.2 Lubrication of thread. There shall be no lubrication of the thread prior to or during sewing (see 4.4.1.1). * 3.3.1.3 Type 301 stitching. Ends of all stitching s
23、hall be backstitched or over- stitched not less than 1 inch (1/2 inch for box stitching) except where ends are turned under or caught in other seams or Stitching. Thread tensions shall be main- tained so that there will be no loose stitching resulting in loose bobbin or top thread or excessively tig
24、ht: stitching resulting in puckering of the materials sewn. The lock shall be imbedded in the materials sewn. 3.3.1.3.1 be as follows: Repairs of type 301 stitching. Repairs of type 301 stitching shall a. When thread breaks or bobbin run-outs occur during stitching the stitching shall be repaired by
25、 restarting the stitching a minimum of 1 inch (1/2 inch on box-stitching) back of the end of the stitching. - l/ * b. Thread breaks, or two or more consecutive skipped or runoff stitches noted during inspection of the item (in-process or end item), shall be repaired by over- stitching. The stitching
26、 shall start a minimum of 1 inch in back of the defective area (1/2 inch on box-stitching), continue over the defective area and continue a minimum of 1 inch (1/2 inch .on box-stitching) beyond the defective area onto the existing stitching. removing the defective stitching, without damaging the mat
27、erials, and restitching in the required manner. not firmly and tightly woven. Any hole cut or tear. Hardware Broken or malformed, corroded areas, Finish omitted or not as specified: (general) burrs or sharp edges. - on brass components - on steel components Finish not uniform or partially Any requir
28、ed component improperly missing. installed causing failure to serve intended purpose. Snap fasteners Any fastener not functioning properly, i.e., fails to snap closed, provide a secure closure or to open freely. NOTE: The fasteners shall be snapped and unsnapped twice to determine whether parts of f
29、asfener separate freely and also effect a secure closure. Clinched excessively tight, cutting adjacent material. Clinched loosely, permitting any component to rotate freely but not to the degree that any component can be expected to become detached during use. 7 X X X X X X X X. X X X X X Provided b
30、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-437q2B 84 9999906 0375922 19 Examine Defect Major Minor Hardware (general) ( cont d) Snap fasteners (cont d) NOTE: Pocket and pocket flap Body reinforcement Eyelet, aluminum Open seam NOTE: Raw edge (except
31、 on closing and bottom seams inside cover) NOTE : Clinched loosely to the degree th.at components can be expected to become detached during use. Incomplete roll of end of button or eyelet barrel is evidence of improper and insecure clinching. Incorrect style. More than three splits in eyelet or butt
32、on barrels. Omitted, not as specified, or not in specified location. Pocket darts omitted. Omitted, not as specified, or not in specified location. Insecurely clinched. Clinched excessively tight, cutting Not set with scored setting. Scored side on outside. fabric. 1/2 inch or less. More than 1/2 in
33、ch. A seam shall be classified as open when one or more stitches joining a seam are broken or when two or more consecutive skipped or runoff stitches occur. On double stitched seams, a seam shall be considered open when either one or both sides of the seam are open, More than 1/2 inch when securely
34、caught in stitching. Raw edges not securely caught in stitching shall be classified as open seams. 8 X X X X x X X“ X X X Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43742B Classification Examine Defect 4aj or Minor Run-off (see open seam)
35、Seam and stitch type Stitch tension Stitches per inch * NOTE: Thread breaks, skipped stitches or runoffs NOTE: Stitching ends (When not caught in other seams or stitching) Bar tacks Wrong seam or stitch type. X Loose, resulting in loose bobbin or Excessively tight, resulting in top thread. puckering
36、 of fabric. One stitch less than minimum Two or more stitches less than One or more stitches in excess specified. minimum specified . of maximum specified. X X X X X Variation in the number of stitches per inch, caused by the operator speeding up the machine and pulling the fabric in order to sew- o
37、ver thick places, or in turning corners shall be classi- fied as follows: (a) Within the minor defect classification - no defect (b) Within the major defect classification - minor defect , Mot overstitched as specified. On all types of stitching thread breaks or two or more consecutive skipped or ru
38、n-off stitches not overstitched shall be classified as open seams, Not secured as specified. Any bartack omitted. Loose stitching, incomplete or broken . X X X X 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_- _ _ MIL-C-43742B 84 999990b 0395924
39、 L m MIL-C-4374 2B Classification Examine Defect Major Minor Rows of stitching Components and ass emb 1 y Cleanness Location markings Binding Marking Any row missing except on On box stitching: - One row o stitching om3.tted. - Two or more rows of stitching box-s t itching omitted . Any component or
40、 required operation omitted (unless otherwise classified herein) . Mend, darn, patch or splice. Needle chew. Grease or oil stains clearly Thread ends not trimmed as specified. not iceab 1 e . Drilled . . Printed marking more than 1/32 inch in width. Loosely applied but not exposing raw Loosely appli
41、ed exposing raw edge of Ends of binding not securely caught edge of material. mat erial . in closing seam. Omitted, incorrect, illegible, mis- placed, or size of characters not as specified. X X X X X X X X x X X X * 4.4.3.2 Dimensional examination. The cover shall be examined for compliance with al
42、l dimensions specified on the drawings and herein including stitch margins and gauge. a defect . Any dimension not within the specified tolerance shall be considered * 4.4.3.3 Examination for fit of cover. The finished cover shall be examined for the defects listed below. 10 Provided by IHSNot for R
43、esaleNo reproduction or networking permitted without license from IHS-,-,-c a a a _ MIL-C-g3792B BLt m 7999906 0395925 3 MIL-C- 43 7 4 2B Examine Defect Fit of canteen NOTE: Fit examination shall be performed with a standard plastic water canteen manufactured cover in accordance with MIL-C-43103, an
44、d with a standard corrosion-resistant steel canteen cup manufactured in accordance with MIL-C-43761. The bottom section of the canteen shall be inserted in the cup, and the assembled canteen and cup shall be inserted into the cover. To determine whether canteen and cup fit in cover, the inspector sh
45、all ease the cup and canteen into the cover without effort and shall close flaps by snapping fasteners into a closed position. and cup in Cover too small; assembled canteen and cup Cover flaps short, causing failure of snap fails to fit into cover. fasteners to effect a smooth and secure closure * 4
46、.4.3.4 Inspection level and AQL. Inspection levels and AQLs (expressed in defects per hundred units) shall be as follows: Examine For defects applicable to 4.4.3.1 For defects applicable to 4.4.3.2 For defects applicable to 4.4.3.3 Inspection level II AQL 2.5 Major 15.0 Total, major and minor defect
47、s comb ined s-3 4.0 one class s-3 0.65 one class * 4.4.4 Packaging inspection. An examination shall be made to determine that the Defects preservation, packing and marking comply with the section 5 requirements. shall be scored in accordance with the list below, shipping container fully packaged exc
48、ept that it shall not be palletized and need not be closed. Examination of closure defects listed below shall. be made on shipping containers fully packaged. The lot size shall be the number of shipping containers in the end item inspection lot. The inspection level shall be S-2 and the AQL shall be
49、 2.5 defects per hundred units. The sample unit shall be one 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _I_._ MIL-C-43742B 84 W 7777706 0375726 5 MIL-C-43742B Examine Defect Marking (exterior Omitted; incorrect; illegible; of improper size, and unit packs) location, sequence, or method of application. Mat er ia1 s Any component missing, dama
