1、MIL-C-71134 13 9999906 1210393 736 I INCH-POUND I MIL-C-71134 (AR) 1 July 1992 MILITARY SPECIFICATION CARTRIDGE, HE, 120MM, M933 W/FUZE M745 LOADING, ASSEMBLING AND PACKING This specification is approved for use by the U.S. Army Armament, Munitions and Chemical Command, and is available for use by a
2、ll Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification establishes the requirements nd quality provisions for loading, assembling and packing for one t-ype of mortar cartridge designated as Cartridge, HE, 120MM, M933 (see 6.1). 2. APPLICABLE DOCUMENTS 2.1 Go
3、vernment 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 Department of Defense
4、 index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitat.ion (See 6.2). SPECIFICATIONS FEDERAL TT-C-490 - Cleaning Methods and Pre-Treatment of Ferrous Surfaces and Organic Coatings M I LI TARY MIL-A-48078 - Ammunition, Standard Quality Assurance MIL-C-71035 - C
5、harge Propelling, M230 Loading, Provisions, General Specification for Assembling and Packing Bcaeticia comments (F#wmmendatiaie, additioas, deletions) and aay ptrtintot data which may be of use in improving NCW Jerey 07806-5000 by *g the df-m standardua . tim Document Jmprovancnt PmpaMi (DD Forni 14
6、26) appearing at the end of this doauncot my Icttcr. this doaunent sbaild be distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-71134 (AR) STANDARDS MILITARY MIL-STD-109 - Quality Assurance Terms and Definitions MIL-STD-
7、410 - Nondestructive Testing Personnel Qualification and Certification (Eddy Current., Liquid Penetrant, Magnetic Particle, Radiographic and Ultrasonic) MIL-STD-453 - Inspection, Radiographic MIL-STD-1235 - Single and Multilevel Continuous Sampling Procedures and Tables for Inspection by At tr i but
8、 es (Unless otherwise indicated, copies of federal and military specifications, standards and handbooks are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents, drawings, and publications. The follow
9、ing other Government documents, drawings, and publications form a part of this document t.o the extent specified herein. Unless otherwise specified, the issue are those cited in the solicitation. DRAWINGS (see 6.6) U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER ( ARDEC ) PRODUCT AND
10、 PACKAGING DRAWINGS 12577504 12577509 12577511 1257751 2 12577513 12577514 12577517 12577522 12577543 12577551 12577570 - Cartridge, 120mm: M933, with Fuze, Multi- Option Fuze: M745 - Container, Ammunition, Fiber, PA153 - Body Loading Assembly - Adapter - Booster Assembly - Felt. Disc - Charge Prope
11、lling M230 - Pellet - Packing and Marking for Container, - Body Ammunition Fiber for Cartridge, 120mm, M929, M930, M933 and M934 - Packing and Marking for Box, Ammunition for Cartridge, 120mm: M929, M930, M933, and M934 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without l
12、icense from IHS-,-,-1 , MIL-C-7LL34 13 9999706 l1210395 509 MIL-C-71134 (AR) 12588571 - End Plate, Plywood 12577572 - Pull Strap 12577573 - Corrugated Fiberboard, Wide 12577574 - Corrugated Fiberboard, Narrow 19-48-4116 - Unitization Procedure, for Box Ammunition and Components on 4-way Entry Pallet
13、s (Copies of drawings and other publications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Non-Government publications. The following document(s) form a part of this docume
14、nt t.o 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 are the issues of the documents cited
15、in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) B-117 - Standard Test Method of Salt Spray (Fog) Testing (Application for copies should be addressed to the American Society of Testing and Materials, 1916 Race Street-, Philadelphia, PA 19103.) 2.3 Order of precedence.
16、 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, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Materials.
17、Materials shall be in accordance with the applicable specifications, drawings and t.his specification. 3.1.1 Clean explosive scrap. Clean scrap (see 6.8) produced in regular operations may be remelted and reused provided that it complies with the requirement, except for form, for the grade of high e
18、xplosive specified. Scrap from floor sweepings, ventilation, and suction apparatus (other than from drilling operations specifically controlled to prevent contamination of explosive) shall not be used. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
19、,-MIL-C-7LL34 13 I 9999906 3230396 445 MIL-C-71134 (AR) 3.2 Assemb IV. The cartridge shall comply with all requirements specified on drawing 12577501, associated drawings, and with all requirements specified in applicable specifications and standards. 3.3 su rface ca vitation. Cavities formed due to
20、 chipped or broken explosive from the sidewalls of the fuze well shall not exceed in aggregate more than 1/4 of the circumference. The maximum (rnax.) dimension of any visible cavity in the faced (bottom) surface of the fuze well shall not exceed 1/4 inch in any direction and the total area of all c
21、avities shall not exceed 80 percent of the faced surface area (cavities having a max dimension of 1/16 inch or less shall be disregarded in this computation). 3.4 Foreian matte r in nroiectile cavitv. There shall be no foreign matter in the projectile cavity prior to high explosive pouring. Solid ex
22、plosive shall not be present. 3.5 Hiah exnlosive on threads . Threads shall be free of high explosive to minimum depth shown on drawing. 3.6 Hiuh exnlosive on Droi ectile bodv . The exterior surface of the projectile body shall be free of high explosive. 3.7 Cav itation in hiah exnlosive charae (see
23、 4.4.3.3). 3.7.1 Ge neral. Cavities having a maximum projected dimension of 3/32 inch or less shall be disregarded provided that they are separated by 1/2 inch or more of solid explosive. 3.7.2 Maximum nroiected a reas a nd dimensions of cav ities. The aggregate of the projected area of all cavities
24、 shall not exceed one square inch and no individual cavity shall exceed 1/2 square inch. Cavities located in the area of the charge which extends from the base of the fuze well shall not exceed 3/4 inch in any direction and their aggregate projected area shall not exceed 5/8 square inch. 3.7.3 Pinin
25、u ca vitv. A piping cavity on the longitudinal axis of the projectile shall be permitted provided that its projected length does not exceed 1 1/2 inches and its width does not exceed 1/4 inch. The projected area of such a cavity shall not be included when determining cavity area in the charge. 3.7.4
26、 Cracked c haraes and annular rinas. Not more than four transverse cracks shall be permitted in any charge. The cracks shall be no wider than 1/32 inch. Longitudinal cracks shall be disregarded. of 1/16 inch max. and extended from the shell wall 1/4 inch max. into the cnarge shall not be cause for r
27、ejection. The presence of annular rings with a projected width 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-7LL34 13 = 9999906 1210397 3L MIL-C-71134 (AR) 3.7.5 Base seDa ration. The base separation from the inside of the rear of the shell
28、 to the base of the explosive shall be not more than 1/32 inch. 3.8 Ballistic De rformance (D rovina around). The cartridges shall comply with the following requirements when tested as specified in 4.5.1. 3.8.1 Misfire. The cartridges shall not fail to fire from the weapon. 3.8.2 Duds,. The cartridg
29、es shall function on impact (prior or on impact if set proximity). 3.8.3 Short rounds. No cartridge shall have a horizontal range less than 80 percent of the average horizontal range when calculated without the short round(s). 3.8.4 Premature bu rst. There shall be no premature burst in 3.8.5 Metal
30、Darts seDa ration. the gun bore or in the first 100 meters of flight. separation in the gun bore or in-flight. There shall be not metal parts 3.8.6 Ranae Drecision. The horizontal range probable error shall be less than 1.5% of mean ranges for ranges greater than 2000 meters or 30 meters or less at
31、mean ranges at 2000 meters or less. 3.8.7 Deflection Drecision. The horizontal deflection probable error shall be less than 1% of mean range for ranges greater than 2000 meters or 20 meters or less at mean ranges at 2000 meters or less. 3.8 First article. When specified in the contract or purchase o
32、rder, a sample shall be subjected to first article inspection in accordance with technical provisions herein (see 4.3 and 6.3). 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-71134 13 9999906 1210398 218 MIL-C-71134 (AR) 3.9 wo rkmanshig. Al
33、l parts and assemblies shall be fabricated in a thorough workmanlike manner. undamaged for the entire minimum length as required by the applicable drawings. No part shall have a burr which might be injurious to personnel handling the item. contain dirt, grease, chips, rust, corrosion, or other forei
34、gn matter. body assembly, to insure that no grit, scale, corrosion or other foreign matter remains therein after final cleaning. be prepared for painting in accordance with TT-C-490. method used shall not be injurious to any part nor shall parts be contaminated by the cleaning agent. requirements of
35、 the applicable drawing. the touch before packing for shipment. shall be in accordance with the applicable specification. After painting, the body shall be free from bare spots, blisters, grease, dirt and other foreign matter. All required markings shall be neat and sharply defined. undamaged and pa
36、rts shall not be missing or loose. and packing of parts shall meet respective drawings and specifications. Threads shall be full and No part or assembly shall Particular attention shall be given to the cavity of the Adapters shall The cleaning Painting shall comply with the All paint shall be dry to
37、 Drying time prior to testing All packaging and packing shall be secure, ll packaging 4. QUALITY ASSURANCE PROVISIONS 4.1 ResDo nsibilitv for insnect ion. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements (e
38、xaminations and tests) 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 inspection requirements specified herein, unless disapproved by the Government. The Government reser
39、ves 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. 4.1.1 Resno nsibilitv for comDliance. All items shall meet all requirements of Section 3 and 5. specificatio
40、n shall become a part of the contractors overall inspection system or quality program. 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 con
41、tract. Sampling 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. Th
42、e inspection set forth in this The absence of any inspection 6 O 1 U- V Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-71134 13 m 9999906 1210399 154 m MIL-C-71134 (AR) 4.1.2 Ge neral Drovisions. The requirements of MIL-A-48078 form a part of
43、the quality assurance provisions of this specification. Reference shall be made to MIL-STD-109 to define quality assurance terms used herein. 4.2 Classification of insDect ions. The following types of inspection shall be considered on this item: a. First article inspection (see 4.3) b. Quality confo
44、rmance inspection (see 4.4) 4.3 First article insDection. 4.3.1 ,Sub mission. The contractor shall submit a first. article sample as designated by the contracting officer in accordance with the provisions of 4.3.2. The first article sample shall consist of the items in the quantities indicated in Ta
45、ble I. 4.3.2 Insnect ion to be De rformed. See MIL-A-48078 and Table I. 4.3.3 Reject ion. See MIL-A-48078 and the first article ballistic test shall be rejected if: a. One or more misfires occur. b. Four or more duds occur. c. One or more short rounds occur. d. One or more premature bursts occur e.
46、One or more metal parts separation occur. f. Horizontal range probable error is exceeded. (70 degrees F conditioned samples only) 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-71134 13 9999906 1210400 7Tb a, m m m x w X z x O N rl 4 . 4 a,
47、F a .ri k ci cia Fu I 3 z n c,c - -4 FE d3ia nl-w a,nx NNN N N mmm m m NCO N m mm e*. .* . . Ln N e me m Ln N m N Nrl Cu m.N II) rn c, ci u o a, a, w w a, a, a a rn ci u 9 wci VI ci u da a, w a, rn c, u i: a a2 A -)-i * o5 ow c m? PCO POk a,lLn-4 F kI .ri -4 GI-w PI -k mo *w In Pc PO 8 Provided by I
48、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-71134 13 = 9999906 1210401 632 = MIL-C-71134 (AR) 4.4 Quality conformance inspection. 4.4.1 Inspection lot formation. Inspection lots shall comply with lot formation provisions of MIL-A-48078. In addition, ins
49、pection lots of cartridges shall contain: a. Projectile metal parts assemblies from one lot interfix from one manufacturer. b. Composition B from one lot interfix from one manufacturer. c. Fin assemblies from one lot. interfix from one manufacturer. d. 1gnit.ion cartridges from one lot interfix from one manufacturer. e. Propelling charges from one lot interfix from one manufacturer. f. Obturat-ing rings from one lot in
