1、 MIL-DTL-70507A (AR) 16 March 2010 SUPERSEDING MIL-P-70507 (AR) 28 December 1984 MILITARY SPECIFICATION PROJECTILE, 155MM, HE - M864E2 LOADING, ASSEMBLING AND PACKING Reactivated 16 March 2010 and may be used for new and existing designs and acquisitions. This specification is approved for use by th
2、e U.S. Army Armament Research, Development and Engineering Center (ARDEC), and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the loading, assembling and packing for the projectile, 155MM, HE: M864E2. The M864E2 cargo
3、is the M1162 Pyrotechnic Self-Destruct Fuze (p-SDF) designed to minimize battlefield duds by adding self-destruct capability to the current Dual Purpose Improved Conventional Munitions (DPICM) M42/M46 grenade. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are needed to me
4、et the requirements specified in sections 3 and 4 of this specification. This section does not include documents in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users
5、are cautioned that they must meet all requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. Comments, suggestions, or questions on this document should be addressed to the commander, U.S. Army ARDEC, ATTN: RDAR-QES-E, Picatinny Arsenal, NJ 07806-5000
6、 or e-mailed to ardec-stdznpica.army.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST online database at https:/assist.daps.dla.mil . AMSC N/A FSC 1320 DISTRIBUTION STATEMENT A. Approved for public release; distribution is un
7、limited. INCH POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-70507A (AR) 2 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this specificati
8、on to the extent specified herein. Unless otherwise specified the issues of these documents are those cited in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-W-5625 - Webbing, Textile, Nylon, Tubular MIL-A-70625 - Automated Acceptance Inspection Equipment Design, Testing and
9、Approval, of DEPARTMENT OF DEFENSE STANDARDS MIL-STD-286 - Propellants, Solid: Sampling, Examination and Testing MIL-STD-331 - Fuze and Fuze Components, Environmental and Performance Tests for MIL-STD-810 - Environmental Engineering Considerations and Laboratory Tests MIL-STD-1168 - Ammunition Lot N
10、umbering and Ammunition Data Card MIL-STD-1916 - DoD Preferred Methods for Acceptance of Product MIL-STD-3010 - Test Procedures for Packaging Materials (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robb
11、ins Avenue, Bldg. 4D Philadelphia, PA 19111-5094.) US ARMY DEVELOPMENTAL TEST COMMAND (DTC) INTERNATIONAL TEST OPERATING PROCEDURES ITOP 1-2-601 - Laboratory Vibration Schedule (These documents may be ordered from the US Army Developmental Test Command, ATTN: Publications, 314 Longs Corner Road, Abe
12、rdeen Proving Ground, MD 21005-5005, or online at http:/www.dtc.army.mil/publications/topsindex.aspx ) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-70507A (AR) 3 2.2.2 Other Government documents, drawings, and publications. The following o
13、ther Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation contract. DRAWINGS 8841732 - Leak test fixture 9202990 - Operating instructions for leak te
14、st 9215397 - Steel shim 9381113 - Rubber pad 9381111 - Forward plate 9381117-1 - Body and ogive assembly for projectile, 155mm, M864 9381130 - Base burner assembly 9391057 - Expulsion cup 12934962 - Charge bag assembly 12934963 - Charge loading assembly 12944315 - Expulsion charge assembly 13001888
15、- Extended range obturator 13001895 - Body loading assembly, type PH 13001896 - Body loading Assembly, type CA 13001900 - Body fuze assembly, type PH 13001902 - Body fuze assembly, type CA 13001904 - Grenade, M46 13001906 - Grenade, M42 13001907 - Projectile, 155mm, extended range, DP, M864E2 130019
16、09 - Tape loop for self destruct fuze 13016773 - Slider lock for self destruct fuze (Copies of these drawings may be requested online at pica.drawing.requestconus.army.mil or from US Army ARDEC, RDAR-EIS-PE, Picatinny Arsenal, NJ 07806-5000.) 2.3 Non-Government publications. The following other Gove
17、rnment documents, drawings and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation or contract. CODE OF FEDERAL REGULATIONS TITLE 49 - Transportation, Parts 100-199 (The Code of Federal Regulations is av
18、ailable from the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402. Orders should specify, “49 CFR 100-199 (latest revision)”.) AMERICAN SOCIETY FOR TESTING AND MATERIALS Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
19、,-,-MIL-DTL-70507A (AR) 4 ASTM E 18 - Standard Test Methods for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials ASTME E 1742 - Standard Practice for Radiographic Examination (Copies of these documents are available from www.astm.org or ASTM International 100 Barr Harbor Dri
20、ve, West Conshohocken, PA 19428-2959.) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a 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 app
21、licable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified, a sample shall be subjected to first article inspection in accordance with 4.2. 3.2 Conformance inspection. A sample shall be subjected to conformance testing in accordance
22、with 4.3. 3.3 Components and assemblies. Materials, parts and assemblies shall comply with drawings cited in 4.3.2.1 through 4.3.2.18. 3.4 Projectile. The projectile assembly and all components thereof shall comply with all requirements specified on drawing 13001907. 3.5 Ballistic functioning. 3.5.1
23、 Functioning (not including safety phase). All the projectile hardware shall remain intact until the initiation of the time fuze at a predetermined time after firing. The delivery of the cargo to the target area shall also include the successful expulsion of the entire cargo of grenades. 3.5.2 Funct
24、ioning. There shall be no premature burst or evidence thereof and there shall be no separation of metal parts either in the bore of the weapon or in flight (prior to initiation of the time fuze) in any of the ballistic functioning tests. This requirement shall also apply to those rounds to be fired
25、in the safety phase. 3.5.3 Grenade performance. The functional reliability shall be not less than ninety-nine (99) percent resulting in an Unexploded Ordnance (UXO) rate of not greater than one (1) percent. 3.5.4 Thermal shock. The projectile shall function after exposure to alternatively high and l
26、ow temperature extremes. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-70507A (AR) 5 3.5.5 Transportation vibration. The projectile shall show no degradation in safety or functionality after exposure to secured cargo vibration. 3.6 Radiogra
27、phic examination of projectiles. Prior to forwarding the projectiles to the proving grounds for ballistic testing, the projectiles shall be subjected to radiographic examination in accordance with (13001907) and be in accordance with ASTME E 1742. The projectiles shall be examined for the following:
28、 a. Gap between adapter and base (see f). b. Gap between adapter and grenades (see f). c. Gap between grenades (see f). d. Any missing or improperly positioned component or assembly normally discernible on the radiograph. e. Any missing or misassembled base burner component, including ignitor cup lo
29、ading assembly facing the wrong direction and foreign matter present. f. Gaps in excess of 0.015 inches shall be considered rejects. 3.7 Ammunition lot numbering. Ammunition lot numbers shall be assigned in accordance with MIL-STD-1168. 3.8 Workmanship. Molded component parts shall be free from spli
30、ts, cold flow, shrinkage, flash, gouges, cold shuts, inclusion, porosity, or any similar characteristic. All parts shall be free of burrs, sharp edges, cracks, dirt, grease, rust, and other foreign matter. Care shall be exercised at all times so that the rotating band of each projectile will not be
31、nicked or burred. The cleaning method used shall not be injurious to any parts, nor shall the parts be contaminated by the cleaning agents. Exterior surface coatings shall be continuous; however, a few light scratches not exposing base material are permitted. All required marking and stamping shall
32、be neat and sharply defined. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-70507A (AR) 6 4. VERIFICATION TABLE I. Requirement and verification cross reference Methods of verification 1. Analysis 2. Demonstration 3. Examination 4. Test Class
33、es of verification A. First article B. Conformance inspection Section 3 Requirements Description Verification method Verification class Section 4 Verification method 1234 A B 3.1 First article x x x 4.2 3.2 Conformance inspection x x x 4.3 3.3 Components and assemblies x x x x 4.3.2.1-4.3.2.18 3.4 P
34、rojectile x x x x 4.3.2.18 3.5 Ballistic functioning x x x 4.4.10 3.5.1 Functioning (non-safety) x x x 4.4.10 3.5.2 Functioning x x x 4.4.10 3.5.3 Grenade performance x x x 4.4.10, 4.4.10.2 3.5.4 Thermal shock x x 4.4.10.5 3.5.5 Transportation vibration x x 4.4.10.6 3.6 Radiographic examination x x
35、x 4.4.16 3.7 Ammunition lot numbering x x x 4.3.2.18 3.8 Workmanship x x x 4.3.2.1 4.3.2.18 4.1 Classification of inspection. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.2). b. Conformance inspection (see 4.3). Provided by IHSNot for Res
36、aleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-70507A (AR) 7 4.2 First article. When required, a first article sample shall be evaluated in accordance with 4.2.1. 4.2.1 First article quantity. Samples shall be tested in accordance with Table II. TABLE II. First artic
37、le inspection Examination or test Conformance criteria Requirement paragraph Inspection method referenceGrenade assembly 16 3.3 4.3.2.4 Steel shim 25 3.3 4.3.2.5 Rubber pad 10 3.3 4.3.2.6 Forward plate 10 3.3 4.3.2.7 Expulsion cup 16 3.3 4.3.2.8 Charge bag assembly 16 3.3 4.3.2.9 Charge loading asse
38、mbly 16 3.3 4.3.2.10 Expulsion charge assembly 16 3.3 4.3.2.11 Extended range obturator 5 3.3 4.3.2.12 Base burner assembly 16 3.3 4.3.2.13 Projectile metal part, prior to loading 16 3.3 4.3.2.14 Projectile examination for defects 21 projectiles 3.4 4.3.2.15-4.3.2.18 Ballistic functioning 21 project
39、iles, 1/ 3.5 4.4.10 Transportation vibration 12 projectiles, 1/ 3.5.5 4.4.10.6 Thermal shock 12 projectiles, 1/ 3.5.4 4.4.10.5 Radiographic inspection 2/ 3.6 4.4.16 NOTES: 1/ See figure 1 (see 6.19). 2/ The 21 projectiles that are used for radiographic inspection are the same that are ballistically
40、functioned. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-70507A (AR) 8 4.2.2 First article rejection. If any item of the sample fails to comply with the first article requirements, the sample shall be rejected. The first article ballistic
41、functioning test shall be rejected if the sample experiences any of the following ballistic rejection criteria: a. Any premature burst occurs. b. Any separation of metal parts occurs prior to initiation of the time fuze. c. Any detonation of projectile cargo occurs prior to initiation of the time fu
42、ze. d. Unexploded ordnance on ground exceeds 1%. 4.3 Conformance inspection. 4.3.1 Lot formation. Lot formation shall be in accordance with the lot formation requirement of MIL-STD-1916, Acceptance by tables. In addition, inspection lots of finished projectiles shall contain: a. Loaded projectiles o
43、f one weight zone. b. Expulsion cups from one lot interfix number from one manufacturer. c. Fuzes, M1162 p-SDF, from one lot interfix number from one manufacturer. d. Slider lock feature from one lot interfix number from one manufacturer. e. Tape loop from one lot interfix number from one manufactur
44、er. f. Washer from one lot interfix number from one manufacturer. 4.3.2 Inspection requirements by classification of characteristics. a. For the conformance inspection paragraphs 4.3.2.1 to 4.3.2.18, the definitions of critical, major and minor are provided in paragraph “Definitions” of MIL-STD-1916
45、. b. The acceptance criteria for sampling inspection shall be in accordance with the levels provided in conformance examination/test paragraph and MIL-STD-1916. c. Alternative conformance acceptance. Alternate conformance procedures may be proposed (see paragraph “Acceptance by contractor proposed p
46、rovisions” of MIL-STD-1916). d. Automated Acceptance Inspection Equipment (AAIE) shall be designed, qualified and calibrated in accordance with MIL-A-70625. AAIE shall automatically determine conformance of a characteristics without operator analysis or intervention. e. Inspection sampling requireme
47、nts for critical, major and minor characteristics are defined in MIL-STD-1916. Unless specified otherwise, Inspection Level VII in addition to 100% inspection shall be used for all characteristics defined as Critical, Inspection Level IV shall be used for all characteristics defined as Majors and In
48、spection Level II for all minor characteristics. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-70507A (AR) 9 4.3.2.1 Body loading assembly (after M223 fuze removal). Drawing number 13001895, 13001896 Classification Examination or testConfor
49、mance criteria Requirement paragraph Next higher assembly Inspection method reference Critical None defined Major 101 Lead cup assembly damaged, split, cracked, missing or improperly assembled 100% 3.3 AIE 102 Lead above flush or below max depth Level IV 3.3 AIE 103 Stud loose or free to rotate, after fuze removal Level IV 3.3 AIE 104 Depth of dr
