1、.- . , MIL-V-83271B 84 999990b 049bbb5 4 3 January 1992 SUPERSEDING MIL-V-83271A(USAF) 1 November 1985 MILITARY SPECIFICATION VEST, SURVIVAL MESH SET, SRU-21/P This specification is approved for use by the Department of the Air Force and is available for use by all Departments and Agencies of the De
2、partment of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for one type of survival vest which is designated SRU-ZlIP. * 1.2 Classification. The vest shall be of the following sizes as specified (see 6.5). Schedule of Sizes Size Size Indicator Large S M L 2. APPLICABLE DOCUM
3、ENTS 2.1 Government documents. * 2.1.1 Specifications, standards, and handbooks. The following specifications, 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 Departme
4、nt of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL PPP-B-601 Boxes, Wood Cleated-Plywood PPP-B -636 Box, Shipping Fiberboard Beneficial comments (recommendations, additions, delet5ons) and any pertinent dat
5、a which may be of use in improving this document should be addressed to: esources and Logistics Services Division, SA-ALCITIRDM, Kelly AFB, TX 78241- 609, by using the self-addressed Standardization document Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 841
6、5 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesSTANDARDS FEDERAL FED-STD-751 MILITARY MIL-STD-105 MIL-STD-129 MIL-STD-147 MIL-STD-2073/1 Stitches, Seams, and Stitches. Sampling Procedures and Tables for Inspection by Attri
7、butes Marking for Shipment and Storage Palletized Unit Loads DOD Materiel Procedures for Development and Application of Packaging Requirements (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order D
8、esk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094). 2.1.2 Other Government documents. drawinqs, and publications. The following Unless Otherwise specified, the issues are those other Government documents, drawings, and publications form a part of this document to the extent specified
9、 herein. cited in the solicitation. Drawings Air Force MIL-V-3271B 4 = 9999906 049bbbb b M 66D1596 Vest-Survival, Mesh Net SRU-21/P . * 7347136 Pocket Radio PRC-90 Survival Vest SRU-Bl/P (Copies of drawings required by manufacturers in connection with specific acquisition functions should be obtaine
10、d from the contracting activity or as directed by the contracting officer.) * 2.2 Non-Government publications. The following document(s) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted are .those listed in the
11、 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). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D 3951 Packaging, Commercial (Application for copie
12、s should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103.) Q * 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. regulat
13、ions unless a specific exemption has been obtained. Nothing in this document, however supersedes applicable laws and 2 Licensed by Information Handling Services_ I MIL-V-832716 84 9999706 049bbb7 8 MIL-V-83271B(USAF) 3. REQUIREMENTS 3.1 First article. Unless otherwise specified (see 4.2.1 and 6.2),
14、this specification provides for first article inspection. 3.2 Materials and components. The materials and the components for the vest shall be as specified on Drawing 66D1596, 3.2.1 Color. The color of the materials and the components for the vest (see 6.3) shall be as specified on the applicable dr
15、awing. 3.3 Desipn. The vest shall consist of twelve pockets, 10 on the outside and 2 on the inside, and a pistol holster. Unless otherwise specified (see 4.6 and 6.2), the pistol holster and outside pockets for field installation shall not be attached to the vest. a lacing located on the back of the
16、 vest for size adjustment. The vest shall have a separating type slide fastener front closure and 3.4 Construction. The vest shall be cut in strict accordance with the patterns specified herein and shall be constructed as specified on Drawing 66D1596 and 7347136. 3.4.1 Stitches, seams and stitchings
17、. Stitches, seams and stitchings used in the construction of the vest shall conform to FED-STD-751. 3.5 Patterns. The manufacturers working patterns shall be identical in size and shape to the patterns referenced on Drawings 7239164, and 7347136, which provide for seam allowance, size, shape, placem
18、ent of pockets, directional lines for cutting, and notches for proper assembly of all the parts. Unless otherwise specified, the patterns provide an allowance of 318 inch for single-needle seams. 3.6 Workmanship. The finished vest shall be clean and free of all loose thread, lint, and any other fore
19、ign matter and shall not contain any nonspecified hole, abraded .area, tear, cut, mend, needle chew, spot, or stain. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of a
20、ll inspection requirements as specified herein. Except as otherwise specified in the contract or order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. the inspections set forth
21、 in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. The Government reserves the right to perform any of 4.1.1 Responsibility for compliance. All items shall meet all requirements of The absence sections 3 and 5. part o
22、f the contractors overall inspection system or quality program. 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
23、. inspection, as part of manufacturing 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. The inspection
24、set forth in this specification shall become a Sampling 3 Licensed by Information Handling ServicesMIL-V-8327LB 84 99999Ob 049bbbi3 T mI 4.2 Classification of inspections. The inspection requirements specified herein are classified as follows: a. First article inspection. (See 4.3) b. Quality confor
25、mance inspection. (See 4.4) 4.3 First article inspection. Unless otherwise specified (see 3.1 and 6.2), the first article shall be subjected to all of the inspections specified herein to determine conformance to all of the requirements of this specification. The first article shall consist of one ve
26、st with pistol holster and shall be representative of the workmanship and materials to be used in the production items. 4.4 Quality conformance inspection. The quality conformance inspection shall be performed to determine conformance to the requirements specified herein and shall consist of the fol
27、lowing tests and examinations as described herein: a. Inspection of materials and components. (See 4.5) b. In-process inspection. (See 4.6) c. Inspection of end item. (See 4.7) d. Examination of preparation for delivery. (See 4.8) 4. 5 Inspection of materials and components. Unless otherwise specifi
28、ed (see 6.2), materials and components shall be inspected as specified in the documents referenced herein. 4.6 In-process inspection. Inspection shall be made at any point or during any phase of the manufacturing process to determine if cut lengths, cut parts, fabricated parts before assembly, and m
29、arking for location of components are in accordance with the specified requirements for dimensions and operations and assemblies, as indicated, are accomplished as specified. The procuring activity shall have the right to exclude from consideration for acceptance any material or service which in-pro
30、cess inspection has indicated conformance. 4.7 Inspection of end item. The end item shall be inspected as specified in The sample unit and the term for expression of the lot size for 4.7.1 and 4.7.2. the inspection of the end item shall be one completely fabricated vest with pistol holster. 4.7.1 Vi
31、sual examination. The end item shall be visually examined for compliance with the requirements specified herein with respect to materials, construction, design, workmanship, and marking. shall be classified as specified in table I. examination shall be II of MIL-STD-105. visual examination shall be
32、2.5 defects per 100 units (dhu) for major defects and 6.5 dhu for total defects. The defects found during this visual examination The inspection level for this visual The acceptable quality level (AQL) for this 4 Licensed by Information Handling Services. DEFECTS C Materials MAJOR MINOR DEFECT DEFEC
33、T MIL-V-8327LB 84 7999906 0496669 L MIL-V-83271B(USAF) TABLE I. Visual Examination Mesh net containing any cut, tear, burn or smash Mesh net containing any abrasion, broken, or missing yarns resulting in a broken mesh opening Mesh net containing any abrasion, broken, or missing yarns but not resulti
34、ng in a broken mesh opening. Mesh net containing any mend, darn, patch, or splice Nylon cloth containing any hole except drill holes 1/16 inch or less, cut, tear, smash, multiple floats, missing yarns, or open places Exposed drill holes 1/16 inch in diameter or less in nylon cloth Tape or webbing co
35、ntaining any cut, hole, or tear Tape or webbing not firmly or tightly woven or edges of tape or webbing frayed or scalloped Hole, cut, tear, or deep abrasion in leather Color of leather not as specified Color of mesh net, nylon panel and pocket material, thread, slide fastener thong, tape, webbing,
36、slide fastener tapes, or hook or pile fastener tapes not as specified Any cut, damage, kink, or knot in nylon cords, seriously affecting serviceability Any cut, damage, kink, or knot in nylon cords, affecting serviceability but not ser ious 1y x10 1 x102 X103 X104 X105 X106 X107 x20 1 x202 X203 X204
37、 X108 X205 Ends of nylon cords not seared X206 5 Licensed by Information Handling ServicesMIL-V-83271B 84 777770b 047bb70 8 I. Visual Examination (Continued) DEFECTS MAJOR I MINOR DEFECT DEFECT II. Hardware Hardware not specified type Any required component improperly set or reversed, failing to ser
38、ve intended purpose Hardware broken, damaged, or malformed or containing corroded areas, burrs, or sharp edges Any snap fastener omitted or not closing or opening freely Any snap fastener not properly clinched i.e., components of stud or socket separating when snap fasteners are snapped or unsnapped
39、, or clinched excessively, cutting surrounding material II. Seams and stitchings Open seam more than 1/2 inch but not more than 1 inch i/ Open seam more than 1 inch L/ Runoffs L/ Raw edges (except where required) more than 1/4 inch but not more than 1 inch butsecurely caught in stitching L/ Raw edge
40、s (except where required) more than 1 inch but securely caught in stitching L/ Any raw edge including inside of pockets not seared or overedge stitched Not specified seam or stitch type Loose stitch tension resulting in loosely exposed bobbin or top thread Tight stitch tension resulting in tightness
41、 or puckering of fabric One stitch per inch less than minimum specified Two or more stitches per inch less than minimum specified x109 x110 x111 x112 X113 X114 X115 X116 X117 X207 X208 X209 . x210 x211 x212 Licensed by Information Handling Servicesa a DEFECT t MAJOR I MINOR DEFECT I DEFECT Two or mo
42、re stitches in excess of maximum stitches per inch specified Stitching margins not as specified Stitching ends backstitched less than i/2 inch unless held down by other stitching or turned under in a hem 21 Thread breaks overstitched less than 1 inch for stitch type 301 or less than 3/4 inch on over
43、edge stitching L/ Any required row of straight stitching omitted Seam twisted or pleated Binding loosely or improperly applied, badly pleated, or ends not finished as specified or not securely caught in stitching. Needle chews resulting in damage to fabric One or more bartacks omitted, seriously aff
44、ecting serviceability One or more bartacks omitted, affecting serviceability but not seriously :V. Construction details Center joining seam or shoulder seams not reinforced by tape. Any pocket not constructed or positioned on vest as specified Any slide fasteners not attached to pocket as specified,
45、 i.e., distorted, failing to effect a smooth closure, or direction of pull not as specified on patterns Hook portion instead of pile portion of fastener tape attached to pocket flap Fastener tape not specified size Fastener tape misplaced, not serving intended purpose X118 x119 x120 x121 x122 XI23 X
46、124 X213 X214 X215 X216 X217 X218 X219 x220 x221 7 Licensed by Information Handling Services:NIL-V=8327LB 84 m 7999906 O496672 L MIL-V-83271B(USAF) TABLE I. Visual Examination (Continued) DEFECT MAJOR MINOR DEFECT DEFECT Strobe light cord not attached to flap of light pocket as specified Hems not fo
47、rmed at top and bottom of lacer loop cover flaps Lacer loop cover flaps not attached to vest as specified Defects for size of armhold can be scored as follows: More than 112 inch under requirement More than 112 inch to 1 inch over tolerance More than 1 inch over tolerance Hook portion instead of pil
48、e portion of fastener tape attached to lacer loop cover flaps Ends of loop adjustment tapes not properly turned under, resulting in loop end not securely caught in stitching Loop tape cord not laced through loop tapes as specified and tied in square knot Loops not securely anchored to the tapes by s
49、titching along edge of tape, catching tape and loops Any required component submitted or any required operation omitted or not as specified (unless otherwise classified herein) J. Slide fasteners and assemblies Slide fastener not specified type or size Slider of slide fastener jamming or failing to interlock chain scoops Thong omitted from slide fastener Ends of thongs not seared Slide fastener tapes improperly stitched to vest fronts, preventing slider from operating freely X125 X126 X127 X128 X129 X130 X131 X132 X133 X134 X135 X136 x222 X223 X224 X225 X226 8 Licensed by Informat
