1、MIL-C-303C 65 9999906 0258b76 3 - MIL -C- 303C 8 March 1979 SUPERSEDING 17 October 1972 25 May 1959 MIL-C-303B MIL-C-303A MILITARY SPEC1 FICATION Beneficial comments (recommendations, additions, deletions) and any perti-* nent data which may be of use in improving this document should be ad- dressed
2、 to: Headquarters, Defense Personnel Support , ATTN: Directorate of Medical Materiel, Code ATT, 2800 So. 20th Street, Philadelphia, PA 19101, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. CASE, MEDICAL INS
3、TRUMENT AND SUPPLY SET, Nylon, Nonrigid, No, 2 This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a nylon cloth case consisting of two parts hinged together and fitted with a slide fastener and a carrying
4、 handle. The case contains two interior compartment partitions. 2. APPLICABLE DOCUMENTS 2.1 Issues of documents. The following documnts of the issue in ef- fect on date of invitation for bids or request for proposals form a part of this specification to the extent specified herein. SPECIFICATIONS FE
5、DERAL V-F-106 - Fastener, Slide, Interlocking, V-T-285 - Thread, Polyester. PPP-B-566 PPP-B-636 - Boxes, Fi berboard. PPP-B-676 - Boxes, Setup. - Boxes , Fol ding , Paperboard. MILITARY Licensed by Information Handling ServicesMIL-C-303C STANDARDS FEDERAL Federal Test Method Std. No. 151 - Metal , T
6、est Methods. FED-STD-595 - Colors. FED-STD- 751 - Stitch, Seam and Stitching, MIL ITARY MIL-STD-105 MIL-STD-129 MS-27977 - Fasteners, Snap, Style 1 (Large Curtain Type). - Sampling Procedures And Tables For Inspection by - Marking for Shipment and Storage, Attri butes. DRAW I NG DEFENSE PERSONNEL SU
7、PPORT CENTER (DPSC) 2032 - Case, Medical Instrument and Supply Set, Nylon, Nonrigid, No. 2. 8 (Copies of specifications, standards and drawing, required by con- tractors in connection with specific procurement functions should be ob- tained from the procuring activity or as directed by the contracti
8、ng officer). specification to the extent specified herein. the issue in effect on date of invitation for bids or request for proposals shall apply. 2.2 Other publications. The following documents form a part of this Unless otherwise indicated, THE COLOR ASSOCIATION OF THE UNITED STATES, INC. United
9、States Amy Color Card of Standard Shades for Slide De artment of Defense Standard Color Card of Official Standardized Fastener Tapes. s I: ades for Sewing Threads (1968). (Application for copies of each should be addressed to the Color Associ- ation of the United States, Inc., 200 Madison Avenue, Ne
10、w York, NY 10016). 2 Licensed by Information Handling ServicesMIL-C-303C h5 m 7777906 O258678 7 m MIL-C-303C 3. REQUIREMENTS .3.1 Component parts. The body of the major parts hinged together on one side, and a carrying strap. The handle (carry with four snap fasteners. Partitions wi shall form compa
11、rtments. case shall consist of two along with a slide fastener, ng strap) shall be fitted hin the body of the case 3.2 Materials. The material shall be as specified herein. * Metals shall conform to the chemical requirements of their applicable specifications, when tested as specified (see 4.5.1)- C
12、loth, nylon. The water repellent nylon cloth used for fab- rication of the case shall conform to MIL-C-43128. Color shall be O1 i ve Green Number 106. strap shall conform to type III of MIL-W-4088. Drab No. 7. 3.2.1 3.2.2 Webbing, nylon. The 1-1/4 inch nylon webbing for the carrying Color shall be O
13、live 3.2.3 Thread, polyester. The thread for all stitching, except over- edge stitching, shall be type I, class 1, subclass 6, size F, of V-T-285. Size B thread shall be used on overedge stitching. Thread shall be dyed Olive Drab Shade S-1 , C. I. 66022, except that the colorfastness require- ments
14、and test methods shall be limited to weathering only. male halves of style l fasteners,- in accordance with MIL-F-10884. The fasteners shall have a Number 2 Black Finish. 3.2.4 Fasteners, snap, curtain style. Snap fasteners shall be the fe- 3.2.5 Fastener, slide. The slide fastener shall be a non-se
15、parating slide fastener, conforming to V-F-106, type I, style 4, size M. It shall be a single slider with a padlock pull 1 inch long. The metal parts of the fastener shall be brass with a black chemical finish con- forming to MIL-F-495. Shade S, conforming to U.S. Amy Color Card of Standard Shades f
16、or Slide Fastener Tapes, and shall be water repellent and mildew resistant in accordance with V-F-106. Mildew resistance shall be obtained by using copper-8-quin01 inolate only. * 3.2.5.1.1 Water repellence. The finished tape shall pass the water repellence test when tested as specified (see 4.5.2).
17、 * 3.2.5.2 Salt spray resistance. The slide fasteners shall pass the salt spray resistance test requirements as specified (see 4.5.3). 3.2.5.1 Tape. The slide fastener tape shall be vat dyed Olive Drab, 3 Licensed by Information Handling ServicesMIL-C-303C 65 m 777770b 025b77 7 m - - MIL-C-303C . 3.
18、2.6 Stitching seal ing. In accordance with the manufacturers di- rections, exterior stitching shall be sealed by the application of one of the two sealants listed in 6.5 or equal. 3.3 Construction. Design, construction and assembly of the cases, including carrying strap, shall be as specified herein
19、 and as shown on Defense Personnel Support Center Draw4 ng 2032. as follows: 3.3.1 Stitching, machine. All stitching shall conform to FED-STD-751 For all stitching except overedge stitching: type 301, 8 to For overedge stitching (single operation optional ): type 503 or 504, 8 to 10 stitches per inc
20、h. For closing seams and overedge stitching (simul taneous oper- ation optional): type 301 in combination with 503, 504 or 502, 8 to 10 stitches per inch. . 10 stitches per inch. All edges of closing seams shall be overstitched. There shall be no lubrication of the thread, by any means,either prior
21、to, or during sewing. Any of the operations requiring box, box with cross stitch, W stitching, .straight line tacking, or any other design of stitching cited in this specification, may be performed with an automatic stitch- ing machine provided that the requirements for stitch pattern, stitches per
22、inch, size, and types of thread are met; and that a.t least three or more tying, overlapping, or back stitches are used to secure the ends of .stitching. Bartacks shall be at least 3/4 inch long with 46 to 52 stitches per inch. The width of zipper stitching shall be 3/16 inch. 3.3.1.1 Type 301 stitc
23、hing. Thread breaks. in stitching shall be over- stitched no less than 1 inch at each break. Stitching shall be back- stitched no less than 1 inch at the ends, except where ends are turned under in a hem or are held down by other stitching. Thread tension shall be maintained so that there will be no
24、 loose stitching, and the lock will be imbedded in the sewn materials. 3.3.1.2 Overedge stitching. Thread breaks in overedge stitching shall be overstitched no less than 3/4 inch at each break. Thread tension shall be maintained so that there will be no loose stitching. 3.3.2 Placement of snap faste
25、ners. The four snap (curtain) fasteners shall be positioned as shown on the drawing and so arranged that all four shall be detachable from above downward. The finished cases shall fit on the test panel without distortion when tested as specified (see 4.5.4). 4 Licensed by Information Handling Servic
26、esMIL-C-303C 65 7977706 0258680 5 MIL-C-303C 3.3.3 Attachment of curtain fasteners. Holes shall be made in the webbing before insertion of the prongs of the female element. Holes shall be small enough to require prongs to be forced through them. Fastener elements shall be tightly clinched so as not
27、to become de- tached from the webbing in normal use. Holes in webbing as centers of fasteners shall be large enough so as not to impede insertion of studs into sockets. 3.3.4 Attachment of slide fasteners. Slide fasteners shall be attached as shown on the drawing. Top and bottom stops shall be in pr
28、oximity with the cross-stitching in order to insure complete closure and to eliminate openings in the tape extension. The cloth body of the case shall be stitched to the fastener tape at a sufficient dis- tance from scoops to permit free movement of slider and pull, * 3.4 Marking for identification.
29、 The case shall be permanently and legibly marked with black waterproof ink or paint in accordance with the drawing, except for the red cross. A Geneva Red Cross on a white background shall be applied to the case as shown on the drawing. Color of the cross shall be Color 11105 (gloss red) as shown i
30、n FED-STD-595, and the white background shall be Color 17886 (gloss white) of the same speci f icati on. 4 3.5 Norkmanshi Workmanship shall be first class throughout. Com- plete cases -7-e including carrying straps) shall be well made and free from defects which detract from their appearance or impa
31、ir their serviceability. * 4. QUALITY ASSURANCE PROVISIONS * 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all in- spection requirements as specified herein. Except as otherwise speci- fied in the contract, the con
32、tractor may use his own or any other facilities suitable for the performance of the inspecti-on requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification to assure supplies and services conf
33、orm to prescribed requi rernents. 4.1.1 Records. Records of examinations and tests performed by or for the contractor shall be maintained by the contractor and made avail- able to the Government, upon the Governments request, at any time, or from time to time, during the performance of the contract
34、and for a period of three years after delivery of the supplies to which such records re1 a te. 5 . .: . . ,_ Licensed by Information Handling ServicesMIL-C-303C For visual examination Major defects Total (Major and Mi nor combined) For dimensional exami- 4.1.2 Inspection. Inspection, as used in this
35、 specification, is de- fined as both examination (such as visual or auditory investigation without the use of special laboratory appliances or procedures) and testin (-determination by technical means of physical and chemical prop- erties 4 of the item. Inspection level AQL (percent defective) II 2.
36、5 II 6.5 s-3 4. O 4.2.2 For tests. Sampling for tests shall be conducted in accordance with MIL-STD-105 and table II. Sufficient samples of the component materials shall be selected from each lot of material used in the manufacture of the case, to perform tests as required by the applicable referenc
37、e specifications, or by tests specified herein. When sample size is not specified, it shall be as indicated for Inspection Level S-1 of MIL-STD-105, except that the acceptance number shall be zero for all sample sizes, and a minimum of three samples shall be taken regardless of lot size. The unit of
38、 product for testing shall be the quantity of material necessary to perform all required tests one time each. sizes are express in multiples of the following. The same material may be used to perform two or more tests. Lot 6 Licensed by Information Handling ServicesMIL-C-303C 65 7977706 0258682 7 Co
39、mponent Metal samples MIL-C-303C Characteristic Requirement Chemical analysis re- 3.2 Cloth, nylon- Yard or fraction of a yard Tape- Yard or fraction of a yard Thread, polyester- Cone or spool Webbing- Yard or fraction of a yard Hardware i tems - - - Each Fi ni shed tape Slide fasteners Case Four ou
40、nces of each lot of each metal used in the construction of the cases shall be selected for chemical analysi s. qui rements Water repellence test 3.2.5.1.1 Salt spray resistance 3.2.5.1.2 Test for placement of 3.4 snap fasteners TABLE II. Sampling for tests. Test I 4.5.2 4.5.3 4.5.4 4.3 Examination.
41、The case shall be examined to determine compliance with al 1 requirements contained in this specifiation. 4.3.1 Classification of defects. Examination shall be conducted in accordance with the classification of defects listed in table III. Exami- nation shall not be restricted to the classified poss
42、ible defects listed bel ow. TABLE III. Classification of defects. ategori es lajor 101 . 102 103 104 105 106 107 108 1 o9 110 111 112 113 114 115 Defects Any hole, cut, tear, mend, patch or unauthorized splice. Any weakening defect such as smash, multiple float, or loose Spots, stains or faded areas
43、. Component part omitted or required operation omitted, Puckered or twisted seam. Seam type other than specified. Stitch type other than specified, Less than 8 stitches per inch. One or more rows of stitching omitted, Seam open 1/4 inch or more. Raw edges. Webbing not size specified. Frayed or scall
44、oped edges 0.f webbing. Webbing not firmly or tightly woven. Any part of case pleated, twisted or caught in any unrelated slub that may develop into a hole. row of sti tching. 7 Licensed by Information Handling ServicesMIL-C-303C 65 7977706 0258683 O W MIL-C-303C TABLE III. Classification of defects
45、 (continued). Categories Major 116 117 118 6 119 120 Mi nor 201 202 203 204 205 206 207 Defects Snap fastener broken or malformed. Burrs or sharp edges. Snap fastener finish omitted or not uniform. Not slide fastener specified. Slide fastener does not operate smoothly. Need1 e chews. Open seam less
46、than 1/4 inch. Ends of stitching backstitched less than 3/4 inches. Markings omitted, incorrect, illegible or not size specified. Colors not as specified. Registration of Red Cross on white background not within Webbing cut ends not heat sealed. Broken or skipped stitches occuring twice or more in t
47、he same row of stitching. al lowable tolerance. 4.3.2 Dimensional examination. The case shall be examined for defects in dimensions. shall be classified as a defect. Any dimension not within the tolerances specified herein 4.4 Packaging inspection. The inspection of the unit package, inter- mediate
48、package, packing and marking for shipment and storage shall be in accordance with the quality assurance provisions of the applicable container specification and the marking requirements of MIL-STD-129. 4.5 Tests. Test shall be conducted to determine compliance with specifi- cation requirements. 4.5.
49、1 Chemical analysis requirements. Metal samples shall be analyzed in conformance with Method 111 or 112 of Federal Test Method Standard No. 151. In case of dispute, Method 111 shall be used for referee analysis. 4.5.2 Water repellence test. The finished tape shall be tested for water repel lenck as specified in V-F-106. 4.5.3 Salt spray resistance. The slide fasteners shall be tested for salt spray resistance as specified in V-F-106. 4.5.4 Test for placement of snap fasteners. A metal panel shall be made as shown on d
