1、- -. - MIL-E-Y9314 BY W 777770b 040300Y L Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Natick Research, Development, and Engineering Center, Natick, MA 01760-5014 by using the self-
2、addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. distribution is unlimited. THIS DOCUMENT CONTAINS 39 PAGES. e Licensed by Information Handling ServicesMIL-B-44314 4 M 777770b 0403005 3 MIL-B-443 14 2. APPLICABLE DOCUMENTS 2.1
3、 Government documents. 2.1.1 Documents. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issue of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and sup
4、plement thereto, cited in the solicitation. SPECIFICATIONS FEDERAL ccc-P-9 1 - Padding; Rubberized, Curled Hair DDD-L-20 - Label: For Clothing, Equipage and Tentage, (General Use) PPP-B-601 - Boxes, Wood, Cleated-Plywood PPP-B-636 - Boxes, Shipping, Fiberboard PPP-C-843 - Cushioning Material, Cellul
5、ostic PPP-F-320 - Fiberboard: Corrugated and Solid, Sheet Stock (Container Grade), and Cut Shapes MILITARY MIL-C-12369 - Cloth, Ballistic, Nylon MIL-V-43544 - Vest, Small Arms Protective Body Armor STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-
6、129 - Marking for Shipment and Storage MIL-STD-453 - Inspection, Radiographic DRAWINGS U.S. ARMY NATICK RESEARCH, DEVELOPMENT, AND ENGINEERING CENTER 8-2-2 17 - Insert, Small Arms Protective Body Armor, Aircrewman, 8-2-2 18 - Insert, Small Arms Protective Body Armor, Aircrewman, Front Back (Copies o
7、f documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2 Licensed by Information Handling Services-MIL-B-44319 84 m 9777706 0903006 5 m MIL-B-44314 2.2 Other publications. The
8、 following documents form a part of this document to the extent specified- herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of the DODISS specified in the solicitation, Unless otherwise specified, the issues of documents not lis
9、ted in the DODISS shall be the issues of the nongovernment documents which are current on the date of the solicitation. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) I D 635 - Test Methods for Rate of Burning and/or Extent and Time of Burning of Self-supporting Plastics in a Horizontal Position
10、D 792 - Methods of Test for Specific Gravity and Density of Plastics by Displacement D 2000 - Rubber Products in Automotive Applications D 2584 - Ignition Loss of Cured Reinforced Resins D 3951 - Standard Practice for Commercial Packaging (Application for copies should be addressed to the American S
11、ociety for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) 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 shall take precedence. Nothing in this document, however, shall supersede appl
12、icable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3-1 First article. O When specified in the contract or purchase order, a sample shall be subjected to first article inspection (see 4.3, 6.2, and 6.3). 3.2 Materials (see 6.10). 3.2.1 Ceramic. shall be asfollo
13、ws: The ceramic material for each of the classes of Body armor Class 1 - Aluminum oxide Class 2 - Silicon carbide Class 3 - Boron carbide/silicon carbide/silicon or boron Class 4 - Boron carbide carbide/silicon 3.2.1.1 Formulation and processing. The ceramic component shall be homogenous and of one
14、piece (monolithic) construction. All ceramic components shall be manufactured in distinct production lots (see 4.4.1) and a sequential marking system of individual components shall be provided (see 3.6.1). The contractor shall not change the ceramic formulation or processing technique without approv
15、al of the contracting officer. Information shall also be O 3 Licensed by Information Handling ServicesMIL-B-LI43LLI 84 777770b OLIO3007 7 MIL-B-44314 furnished as to what production lots are affected by the change in ceramic formulation or processing technique. processing technique shall constitute
16、a new lot. A change in the ceramic formulation or 3.2.2 Fiberglass laminate. The fiberglass laminate shall consist of a minimum of 20 percent by weight of unsaturated polyester type, unfilled resin and may contain modifying monomers or polymers and the remainder shall be undyed fiberglass fabric. Re
17、sin content shall be determined as specified in 4.4.2.2. The fiberglass laminate shall be self-extinguishing or non-burning when tested for flammability as specified in 4.4.2.2. 3.2.3 Cloth, nylon. The nylon cloth for the spall cover shall conform to class 1 of MIL-C-12369. The color shall be natura
18、l. 3.2.4 Rubber edging. The rubber edging shall be made of black material conforming to grade, type, class, and suffix requirements of 3AA615Al4F17Z of ASTM D 2000. specified in 3.2.6.2 and procedure specified in 3.4.4 shall be capable of meeting the adhesion requirement specified in 3.5.3 (see 6.4.
19、1, 6.4.2, and 6.5). The rubber edging, when used in conjunction with the adhesive 3.2.5 I_ Vest. The vest shall conform to MIL-V-43544 in the applicable Size. 3.2.6 Adhesives. 3.2.6.1 For bonding ceramic to fiberglass laminate. The adhesive for bonding the ceramic component to the fiberglass laminat
20、e component shall be solventless liquid or film epoxy type, two-part polysulfide type, or two-part polyurethane type and shall be capable of passing the requirement in 3.5.2 (see 4.4.2.1). 3.2.6.2 For bonding spa11 cover and rubber edging to inserts. for bonding the spall cover and the rubber edging
21、 to the inserts shall be a natural or synthetic rubber base curing type (see 6.5) capable of passing the adhesion requirements specified in 3.5.3 and 3.5.4 (see 4.4.2.1). The adhesive 3.2.6.3 Alternate materials and adhesive systems. Alternate materials and adhesive systems may be used in the fabric
22、ation of the armor when approved by the contracting officer and when demonstrated to be equal or better in pepformance than what is specified above. data which will substantiate the above shall be furnished. For alternate adhesives to bond the ceramic and fiberglass components, test data shall inclu
23、de results of ballistic and temperature extremes testing. Complete material analysis and test 4 Licensed by Information Handling ServicesI MIL-B-443 14 3.3 Design. The body armor shall consist of a fiberglass laminate component bonded to the back of a ceramic component forming a composite armor inse
24、rt. exposed surface of the ceramic component shall be covered with a spall cover. rubber edging shall extend around the entire periphery of the composite armor insert. The front insert shall be fabricated in accordance with Drawing 8-2-217, and the back insert in accordance with Drawing 8-2-218. man
25、ufacturerrs drawings for ceramic components may be used in lieu of the drawings specified above (see 6.2). The A 1 The insert shall conform to the specified class and size. The finished dimensions on the raW1ngS apply before application of spall cover and rubber edging. Approved 3.4 Construction. 3.
26、4.1 Ceramic component. The ceramic component shall conform to the Patching of the ceramic requirements of 3.2.1 and 3.2.1.1 and shall be uniform in thickness within 5 component is permitted in the green state only before oven or kiln firing. The ceramic component shall be free from manufacturing ano
27、daies or discontinuities when inspected as specified in 4.4.3.2, 4.4.3.3 and 4.4.5.2. I Percent when examined as specified in 4.4.3.1. 3.4.2 Fiberglass laminate component. The fiberglass laminate component shall be fabricated from the materials specified in 3.2.2. shall be free from blisters, torn f
28、abric, dents, crazing and surface roughness. Glass fibers protruding along the edges shall be removed. The finished component 3.4.2.1 Molding. The resin treated fabric shall be molded by vacuum or 0 pressure bag technique (see 6.6) or matched metal molds into the required configuration without break
29、ing or damaging the glass fiber. methods shall be capable of yielding uniform properties in the completed structure. component in one operation if performance requirements are maintained. patching shall be performed after the material has been molded. the cloth specified in 3.2.3 and shall cover the
30、 entire outer surface of the ceramic component except that the cover shall finish even or within 1/8 inch of the edge around the entire periphery. Such procedures and The fiberglass laminate may be molded and attached to the ceramic No 3.4.3 Spa11 cover. The nylon spall cover shall be fabricated fro
31、m one ply of 3.4.4 Assembly of components by bonding. All components to be assembled shall be thoroughly cleaned of all foreign matter. be properly prepared in a manner which will insure a proper bond capable of meeting the applicable performance requirements specified in 3.5. adhesive shall be appl
32、ied uniformly over the entire contact areas of the components to be joined. smearing of the adhesives on the exposed surfaces of the components, except when bonding the rubber edging, the adhesive may extend beyond the edges of the rubber edging up to a maximum of 3/16 inch. Surfaces to be bonded sh
33、all The required There shall be no evidence of unadhered areas and no 3.5 Perf ormance. 5 Licensed by Information Handling ServicesMIL-B-44314 3.5.1 Ballistic resistance. The body armor insert without spall cover and rubber edging shall have a V50 protection ballistic limit of not less than 2850 fee
34、t per second with a caliber .30 AP M2 projectile when tested as specified in 4.4.3.5. 3.5.2 Temperature resistance. There shall be no delamination between the fiberglass laminate component and the ceramic component or between the fiberglass plies when tested as specified in 4.4.3.5. 3.5.3 Adhesion o
35、f rubber edging. There shall be no visual separation of the rubber edging from the armor insert when tested as specified in 4.4.6. 3.5.4 Adhesion of the spall cover. There shall be no visual peeling of the tab formed on the spall cover when tested as specified in 4.4.6. 3.5.5 Areal density. The area
36、l density of the body armor inserts, without spall cover and rubber edging, when tested as specified in 4.4.3.5, shall be as follows for the applicable class: Class 1 - 9.0 + 0.2 pounds per square foot - Class 2 - 8.0 + 0.2 pounds per square foot - Class 3 - 7.5 + 0.2 pounds per square foot - Class
37、4 - 6.9 + 0.2 pounds per square foot - 3.6 Identification marking. 3.6.1 Ceramic component marking. The serial number shall be marked on the outside face surface within 1 inch of the lower edge of each ceramic component, before it is fired by inscribing, embossing, or with high temperature resistant
38、 inorganic ink or after firing with a permanent marking to a maximum depth of 0.010 inch so that the serial number will be legible when the spall cover is stripped by mechanical or solvent action. 3.6.2 Completed armor insert marking. The manufacturers code number, contract number, lot number, seria
39、l number, and date of manufacture, as well as the nomenclature, federal stock number, class, and size of the armor and designation of the armor as to being a front or back insert shall be permanently and legibly marked on the center of the face surface of each spall cover, at the lower end of the in
40、sert approximately 1 inch above the rubber edging, in characters 1/4 inch high minimum. The serial number shall be the same as that on the ceramic component. The letters “U.S.“ shall be applied approximately 2 inches above the identification markings, centered on the spall cover, in characters 1 inc
41、h high minimum. On the upper half of the spall cover, the words “DO NOT DROP“ shall be printed in characters 1 inch high minimum. The above marking shall conform to type IV, class 9 of DDD-L-20. The fastness for the 6 Licensed by Information Handling ServicesMIL-B-44314 class 9 label shall be as spe
42、cified for class 5 labels. A list in duplicate of the serial numbers used for each armor production lot shall be furnished the contracting officer at time of delivery. 3.7 Production data. The following information determined during production of the armor shall be made a matter of record and shall
43、be furnished to the contracting officer upon request. This data shall be identified with the serial number of the armor insert. a. b. The weight of each composite body armor insert without spa11 cover c. All thickness measurements taken for each ceramic component. The weight of each ceramic componen
44、t. and rubber edging, P 3.8 Workmanship. The body armor shall conform to the quality of product established by this document. The occurrence of defects shall not exceed the applicable acceptable quality levels. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise speci
45、fied in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the in
46、spection requirements specified I 0 herein, unless disapproved by the Government. The Government reserves the right I to perform any of the inspections set forth in this document where such inspec- tions are deemed necessary to assure supplies and services conform to prescribed 1 requirements. I. 4.
47、1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. The inspection set forth in this document shall become a part of the contractors overall inspection system or quality program. absence of any inspection requirements in the document shallnot relieve the cont
48、ractor of the responsibility of assuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling in quality conformance does not aubhorize submission of known defective material, either indicated or actual, nor does it commit th
49、e Government to acceptance of defective material. The 4.1.2 Certificate of compliance. Where certificates of compliance are submitted, the Government reserves the right to check test such items to determine the validity of the certification. 4.1.3 Radiographic and ballistic laboratory approval. Radiographic examination and ballistic testing shall be performed in certified laboratories (see 6.9) with Appendix B. accordance with Appendix A. The radiographic equipment and procedures shall be in accordance Ballistic testing equipment and procedures shall be in 7 . Licensed by Informa
