1、MIL-L-45923B 99999Ob l49b50 397 m MIL-L-45923B (AR) 19 August 1993 SUPERSEDING 16 April 1976 MIL-L-45923A (AR) MILITARY SPECIFICATION LINK, CARTRIDGES: METALLIC BELT, CALIBER .50, M9 This specification is approved for use by the U.S. Army Armament, Munitions and Chemical Command, and is available fo
2、r use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 ScoDe. This specification covers one type of metallic belt cartridge link intended to hold caliber .50 ammunition in the form of flexible belts for use in the M2 Heavy Barrel (HB) Caliber .50 Machine Gun (see 6.1). 2. A
3、PPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 SDecifications. 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
4、 the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS MILITARY MIL-W-13855 - Weapons: Small Arms and Aircraft DOD-P-16232 - Phosphate Coating, Heavy, Manganese Armament Subsystems, General Specification f
5、or or Zinc Base (for Ferrous Metals) Beneficial comments (recommendations. additions. deletions) and any pertinent data which may be of use in improving this document should be addressed to Commander. U S Army ARDEC. ATTN SMCAR-BAC-S. Picatinny Arsenal. New Jersey 07806-5000 by using the Standardiza
6、tion Document Improvement Proposal (OD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 1305 DISTRIBUTION STATEMENT A. Approved for public release, distribution is unlimited O Licensed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networki
7、ng permitted without license from IHS-,-,-MIL-L-45923B (AR) MIL-W-63150 - Weapons and Support Materiel, Standard Quality Assurance Provisions for STANDARDS MIL I TARY MIL-STD-109 Quality Assurance Terms and Definitions (Unless otherwise indicated, copies of federal and military specifications, stand
8、ards, and handbooks are available from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents, drawinqs, and publications. The following other Government documents, drawings, and publications form a part of this document
9、 to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS (see 6.5) US ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER (ARDEC) 7140393 - Link, Metallic Belt, Caliber .50, M9 SPI-7140393 - Packaging Data Sheet for Link, Metallic B
10、elt, Caliber .50, M9 (Copies of other Government documents, drawings, and publications required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Non-Government Dublications. The followin
11、g 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 issue of the DODISS cited in the solicitation. unless otherwise specified, the issues of documents not listed in the DODISS
12、 are the issues of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM-E18 - Standard Methods of Test for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Metals 2 Provided by IHSNot for ResaleNo reproduction or networking permitte
13、d without license from IHS-,-,-NIL-L-45923B 7999906 1949652 LbT D MIL-L-45923B (AR) ASTM-D3951 - Packaging, Commercial (Application for copies should be addressed to The American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) 2.3 Order of precedence. In the event of a
14、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. REQUIREMENTS 3.1 First article. When specified in th
15、e contract or purchase order (see 6.2), a sample shall be subjected to first article inspection in accordance with the technical provisions herein (see 4.3). 3.2 Materials, construction and desiqn. The links shall conform to the materials, construction and design specified herein, on applicable draw
16、ings and MIL-W-13855. 3.3 Functioninq. The M9 links shall be capable of being assembled into belts with caliber .50 ammunition or mandrels of requirements. 3.3.1 Free hinsing. Links, when assembled into belts shall hinge freely and fold over without binding, kinking, breaking, cracking, separating o
17、r deforming. Testing shall be as specified in 4.5.1. 3.3.2 Machine gun function. The belts shall operate during the firing cycle of a caliber .50, M2 Heavy Barrel, turret type machine gun without breaking, separating, causing a malfunction or creating an interference to proper gun operation. Testing
18、 shall be as specified in 4.5.2. 3.3.3 Belt ull. A belt consisting of 100 caliber -50 cartridges shall be capable of withstanding a tensile load of 100 pounds (lbs) + 15 lbs without breaking, cracking, separating or deforming. Testing shall be as specified in 4.5.3. 3.3.4 Extraction force. The force
19、 required to extract the steel plug, drawing 6516242, when the plug is inserted to the assembled cartridge depth, shall be 10 to 25 lbs. Testing shall be as specified in 4.5.4. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-* MIL-L-45923B m 999990
20、6 1949653 OTb m MIL-L-45923B (AR) 3.4 Markinq. The links shall be clearly marked in accordance with dwg. 7140393 and MIL-W-13855. 3.5 Workmanship. Workmanship shall be in accordance with MIL-W-63150. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibilitv for inspection. Unless otherwise specified in the
21、 contract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) as specified herein. otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of th
22、e inspection requirements specified herein, unless disapproved by the Government. the right to perform any of the inspections set forth in this specification where such inspections are deemed necessary to ensure supplies and services conform to prescribed requirements. Except as The Government reser
23、ves 4.1.1 ResPonsibilitv for compliance. All items shall meet all requirements of Sections 3 and 5. in this specification shall become a part of the contractors overall inspection system or quality program. inspection requirements in the specification shall not relieve the contractor of the responsi
24、bility of ensuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. inspection, as part of manufacturing operations, is an acceptable practice to ascertain conformance to requirements, however, this does not authorize submission o
25、f known defective material, either indicated or actual, nor does it commit the Government to accept defective material. The inspection set forth The absence of any Sampling 4.1.2 General provisions. Unless otherwise specified herein, the specification apply and form a part of this specification. Ref
26、erence shall be made to MIL-STD-109 to define quality assurance terms used herein. provisions of MIL-W-63150 or other general 4.2 Classification of insDections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.3). b. Quality conformance inspe
27、ction (see. 4.4). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-45723B = 9999906 1949b54 T32 MIL-L-45923B (AR) 4.3 First article inspection. 4.3.1 Submission. The contractor shall submit a first article sample as designated by the Contracti
28、ng Officer for evaluation in accordance with provisions of 4.3.2. The first article sample shall consist of the assemblies, components and test specimens listed below in the quantities indicated. Name Drawing guan t i t v Link, Metallic Belt 7140393 1780 4.3.2 InsDections to be Derformed. First Arti
29、cle materiel shall be tested in accordance with Table I. be subjected, by the Government, to any or all of the examinations and tests specified herein, in the contract or on the applicable drawings. Any test samples may 4.3.3 Rejection. If any assembly, component or test specimen fails to comply wit
30、h any of the applicable requirements, the first article sample shall be rejected. The Government reserves the right to terminate inspection upon any failure of an assembly, component or test specimen to comply with any of the requirements. 4.4 Oualitv conformance inspection. 4.4.1 Inspection lot for
31、mation. The term “inspection lot“ is defined as a homogeneous collection of units of product from which a representative sample is drawn or which is inspected 100 percent to determine conformance with applicable requirements. Units of product selected for inspection shall represent only the inspecti
32、on lot from which they are drawn and shall not be construed to represent any prior or subsequent quantities presented for inspection. Homogeneity shall be considered to exist provided the inspection lot has been produced by one manufacturer, in one unchanged process, using the same materials and met
33、hods, in accordance with the same drawings, same drawing revisions, same specifications and same specification revisions. All material submitted for inspection in accordance with this specification shall comply with the homogeneity criteria specified herein, regardless of the type of inspection proc
34、edure which is being applied to determine conformance with requirements. 4.4.1.1 Lot identification. The cover and body assemblies of each container of the lot shall be identified as specified by Dwgs 12576152 and 12576144 supplemented as directed by the procuring activity. 5 Provided by IHSNot for
35、ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-45923B 999990b 1949655 979 W ri L O 4 t w U I vi MIL-L-45923B (AR) II I I I l I I I I u00000 O000 u E 00000 O000 Na3-FriN d4dUl ffl U u Q, Q, a k O u4 C O Li (o C -1 E IC; x r;! u -4 C O .-I 9 u C 3 E O 6 Provided by IH
36、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L 4 L O 4 c U IA w - MIL-L-45923B W b L4b56 805 W MIL-L-45923B (AR) -, o UI TIE f2 3 Ci. E . L I CIL0 c Ir0 v: - c, u a. c 5 a. S O S O i- u c .n t. L w v) 3 U t c 3 O L c i.: C C u * k c V r= I b -1 IA u c 4 - 7 Pro
37、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-45923B m 9999906 1949657 74L m MIL-L-45923B (AR) 4.4.2 Examinations and tests. a. Classification of characteristics. Quality conformance examinations and tests are specified in the following Classifi
38、cation of Characteristics paragraphs. The contractors quality program or detailed inspection system shall provide assurance of compliance of all characteristics with the applicable drawing and specification requirements utilizing as a minimum the conformance criteria specified. when cited herein, at
39、tributes sampling inspection shall be conducted in accordance with Table II using the inspection levels stated in the Classification of Characteristics paragraphs. TABLE II. Attributes samplins inspection. Lot Size 2 to 8 9 to 15 16 to 25 26 to 50 91 to 150 151 to 280 281 to 500 501 to 1200 1201 to
40、3200 10001 to 35000 35001 to 150000 150001 to 500000 500001 and over 51 to 90 3201 to 10000 * * * * * * * * * 1250 1250 1250 1250 1250 1250 Inspection Levels * * * * * 125 125 125 125 125 125 315 315 500 500 * * * 32 32 32 32 32 80 80 125 125 125 200 200 * 5 3 13 5 3 13 5 3 13 5 3 13 13 5 13 13 5 32
41、 20 8 50 20 13 50 32 13 50 32 13 80 50 13 80 50 13 125 50 13 125 50 13 32 20 a Numbers under inspection levels indicate sample size; asterisks (*) indicate one hundred percent inspection. If sample size exceeds lot size, perform one hundred percent inspection. Accept on zero and reject on one or mor
42、e for all inspection levels. b. Alternative aualitv conformance Drovisions. Unless otherwise specified herein or provided for in the contract, alternative quality conformance procedures, methods, or equipment, such as statistical process control, tool control, 8 Provided by IHSNot for ResaleNo repro
43、duction or networking permitted without license from IHS-,-,-MIL-L-45923B (AR) other types of sampling procedures, etc., may be used by the contractor when they provide, as a minimum, the level of quality assurance required by the provisions specified herein. Prior to applying such alternative proce
44、dures, methods, or equipment, the contractor shall describe them in a written proposal submitted to the Government for evaluation (see 6.x). When required, the contractor shall demonstrate that the effectiveness of each proposed alternative is equal to or better than the specified quality assurance
45、provision(s) herein. in cases of dispute as to whether the contractors proposed alternative(s) provides equivalent assurance, the provisions of this specification shall apply. All approved alternative provisions shall be specifically incorporated into the contractors quality program or detailed insp
46、ection system, as applicable. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-z O B U w I& Co z H w U z d a E O czi z O U w E J d 3 o H H c C C c c C U T : . c c c fn i2 E I- LT W + 3 a I. u LL O z O F a s k Ln s o MIL-L-459238 W 999990b 1949b59 51
47、4 9 MIL-L-45923B (AR) rl 8 rl c W U I vi NC)(V“rJ “ ein “N“ mmmmm mmmnmnmn mm mn . ,. aJ D u O C 2 E Ln a3 n W U- e m 7 n W tr , E L O LL 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A z O E U w pi Ln z H w H U w E J e 3 W H LL. O N O L 4 L W I
48、 ul O Ln & a, R ad 4 a U ci -aJ cia -4s am cl a uc, IN d -4 rid4 -4d-4 N N NNN N“ m m mmm mmm . a a c -4 u a, a a! c O z U mLi ln 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-45923B W 999990b 3949663 372 W MIL-L-45923B (AR) W U z w a f W
49、LL O O I c W z z c U w VI 0 a z w + 0 O z P t W z 0 Q 4 c 2 u - NN In mm m m (d o &al rimo HH a -4 c m E a E Y Li LI O O pi O U al VI ln Co L 4 n E O LL E L 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-95923B 9999906 LY9bb2 O09 MIL-L-45923B (AR) oz U Y m m
