1、 MIL-DTL-32326 (AR) 7 December 2009 DETAIL SPECIFICATION FUZE, PYROTECHNIC SELF DESTRUCT - M1162 This specification is approved for use by the U.S. Army Armament Research, Development and Engineering Center (ARDEC), and is available for use by all Departments and Agencies of the Department of Defens
2、e. 1. SCOPE 1.1 Scope. This specification covers the requirements and examination tests for 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 grenades u
3、sed in the Projectile, 155MM: Extended Range, Dual Purpose (DP), M864A1. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are needed to meet the requirements specified in sections 3 and 4 of this specification. This section does not include documents in other sections of thi
4、s specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all requirements documents cited in sections 3 and 4 of this specification, whether or not they are lis
5、ted. 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 or e-mailed to ardecstdznus.army.mil. Since contact information can change, you may want to verify the currency of this address informat
6、ion using the ASSIST online database at http:/assist.daps.dla.mil. AMSC N/A FSC 1390 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. INCH-POUNDProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32326 (AR) 22.2 G
7、overnment documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this specification to the extent specified herein. Unless otherwise specified the issues of these documents are those cited in the solicitation or contract. DEPA
8、RTMENT OF DEFENSE SPECIFICATIONS MIL-T-23132 - Tungsten Delay Composition MIL-A-70625 - Automated Acceptance Inspection Equipment Design, Testing and Approval, of DEPARTMENT OF DEFENSE STANDARDS MIL-STD-331 - Fuze and Fuze Components, Environmental and Performance Test MIL-STD-1168 - Ammunition Lot
9、Numbering and Ammunition Data Card MIL-STD-1916 - DoD Preferred Methods for Acceptance of Product (Copies of these documents are available online at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Bldg. 4D Philadelphia, PA 19111-5094.) 2.2.
10、2 Other Government documents, drawings, and publications. The following other 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 or contract. DRAWI
11、NGS 13001894 - Body Loading Assembly Type PH Inert Modified Studs 13001895 - Body Loading Assembly Type PH Modified Studs 13001896 - Body Loading Assembly Type CA Modified 13001897 - Body Loading Assembly Type CA Inert 13001899 - Body Fuze Assembly Type PH Inert 13001900 - Body Fuze Assembly Type PH
12、 13001901 - Body Fuze Assembly Type CA Inert 13001902 - Body Fuze Assembly Type CA 13001903 - Grenade, GP: M46E3 Special, Inert 13001904 - Grenade, GP, M46E3 13001905 - Grenade, GP: M42E3 Special, Inert 13001906 - Grenade, GP M42E3 13001909 - Tape Loop for M42/M46 Grenade 13013438 - Interface Contro
13、l Drawing, p-SDF Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32326 (AR) 313016740 - Fuze, General Purpose grenade: pSDF, M1162 13016741 - Slider Assembly 13016742 - Slider 13016743 - Ignitor 13016744 - Transfer Element 13016745 - Cap 1301
14、6746 - Housing 13016747 - Arming Screw Assembly 13016748 - Arming Screw 13016749 - Timing Plate 13016751 - Weight 13016753 - Safety Clip 13016756 - Delay Composition 13016758 - Inert Fuze, General Purpose Grenade: p-SDF, M1162 13016761 - Ignition Compound 13016762 - Ignitor Cup 13016764 - Trigger As
15、sembly 13016768 - Intermediate Delay Composition 13016771 - Trigger 13016772 - Cover 13016773 - Slider Lock 13016779 - Trigger Weight 13016777 - Housing Assembly 9215255 - Safety Pin 9215360 - Arming Spring 8798331 - M55 Detonator (Copies of these drawings may be requested on line at pica.drawing.re
16、questconus.army.mil or from US Army ARDEC, RDAR-EIS-PE, Picatinny Arsenal, NJ 07806-5000.) 2.3 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 preceden
17、ce. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Required inspections. 3.1.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.2. 3.
18、1.2 Conformance inspection. A sample of fuze assemblies shall be subjected to the conformance inspection in accordance with 4.3. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32326 (AR) 43.2 Components and assemblies. Materials, parts, and
19、assemblies shall comply with drawings cited in 4.3.2.1 - 4.3.2.31. 3.3 M1162 pyrotechnic self destruct fuze (p-sdf) requirements. 3.3.1 Ballistic reliability. When fired from a 155MM howitzer, the combined primary mode and self destruct (M1162 fuze tactical mode) reliability of the p-SDF shall be no
20、t less than ninety nine (99) percent resulting in an Unexploded Ordnance (UXO) rate of not greater than one (1) percent when fired between the temperatures of -50F and 145F. 3.3.2 Ballistic safety reliability. There shall be no detonation of p-SDF in the gun tube or in flight prior to cargo expulsio
21、n and all M864A1 projectile hardware shall remain intact until initiation of the artillery projectile fuze. 3.3.3 Gun launch. The p-SDF shall not function in M864A1 projectile after being launched from a 155MM howitzer exerting a launch environment of 17,000 gravity and a spin of 10,173 Revolutions
22、per Minute (RPM) to 16,374 RPM prior to initiation of the artillery projectile fuze. 3.3.4 Cargo ejection. The p-SDF shall function properly after cargo ejection at a maximum height of burst (HOB) of 1,800ft when expelled from an M864A1 projectile in-flight after initiation of the artillery projecti
23、le fuze. 3.3.5 Grenade loading. The p-SDF shall withstand the forces encountered during manual, semiautomatic, and fully automatic loading operations and shall be operable after being expelled from an M864A1 projectile in-flight after initiation of the artillery projectile fuze. 3.3.6 Primary arming
24、 torque. The arming screw unthreading torque shall be less than two (2) inch-ounce for individual fuze. 3.3.7 Primary arming. After unthreading the arming screw, the slider shall move to the armed position. 3.3.8 Tape loop pull-off. The tape loop shall withstand a pull-off force load of not less tha
25、n 130 lbs. 3.3.9 Fuze pull-off. With the inert p-SDF mounted to a recapped inert armed body loading assembly, the fuze shall withstand a pull-off force of not less than 15,120 times the fuze weight. 3.3.10 Tape loop drop-off. The tape loop shall withstand a drop-off load of 1.00+ .25 lbs dropped fro
26、m not less than three (3) inches. 3.3.11 Thermal shock. The p-SDF shall withstand sudden transitions in extreme low and high temperatures and shall comply with the Thermal Shock Test requirements of MIL-STD-331. Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
27、m IHS-,-,-MIL-DTL-32326 (AR) 53.3.12 Storage temperature. The p-SDF shall be safe for use and operable after being stored, handled, or transported in temperatures ranging between -65F to 160F. 3.3.13 Transportation vibration. The p-SDF shall be subjected to combined vibration-temperature environment
28、s anticipated during their logistical movement by land, air and sea conveyances and shall comply with the Transportation Vibration Test requirements of MIL-STD-331. 3.3.14 Temperature and humidity. The p-SDF shall withstand exposure to repeated cycles of extreme temperatures and humidity and shall c
29、omply with the Temperature and Humidity Test of MIL-STD-331. 3.3.15 Jolt. The p-SDF shall withstand a series of impacts applied in a controlled direction and amplitude, and shall comply with the Jolt Test requirements of MIL-STD-331. 3.3.16 Jumble. The p-SDF shall withstand random impacts imparted b
30、y free-fall inside a rotating, closed, lined box and shall comply with the Jumble Test requirements of MIL-STD-331. 3.3.17 Five foot drop. The p-SDF shall withstand several five foot drops onto a steel plate simulating accidental mishandling in manufacture and transportation, and shall comply with t
31、he Five Foot Drop Test requirements of MIL-STD-331. 3.3.18 Beam spring cocked pull force. The p-SDF beam spring shall withstand a pull force of not less than 1.5 lbs minimum when cocked. 3.3.19 Spring embrittlement. The spring shall not break or split when deformed to the minimum point of permanent
32、distortion. 3.3.20 Safety pin embrittlement. The safety pin 9215255 shall not break or split when deformed to the minimum point of permanent distortion. 3.3.21 Slider assembly burn time. The slider assembly 13016741 shall pass a functional test after being conditioned at ambient, hot, and cold tempe
33、ratures. The slider assembly shall burn between 12 to 16 seconds. 3.4 Ammunition lot numbering. Ammunition lot numbers shall be assigned in accordance with MIL-STD-1168. 3.5 Workmanship. Molded component parts shall be free from splits, cold flow, shrinkage, flash, gouges, cold shuts, inclusion, por
34、osity, or any similar characteristic. All parts shall be free of burrs, sharp edges, cracks, dirt, grease, rust, and other foreign matter. 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 cont
35、inuous; however, a few light Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32326 (AR) 6scratches not exposing base material are permitted. All required marking and stamping shall be neat and sharply defined. Provided by IHSNot for ResaleNo
36、reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32326 (AR) 74. VERIFICATION TABLE I. Requirement and verification cross reference Methods of Verification 1. Analysis 2. Demonstration 3. Examination 4. Test Classes of Verification A. First Article B. Conformance Inspection S
37、ection 3 Requirements Description Verification Method Verification Class Section 4 Verification Method 1234 A B 3.1.1 First article x x x 4.2 3.1.2 Conformance inspection x x x 4.3 3.2 Components and assemblies x x x x 4.3.2.1 4.3.2.28 3.3.1 Ballistic reliability x x x x 4.4.1 3.3.2 Ballistic safety
38、 reliability x x x x 4.4.2 3.3.3 Gun launch x x x 4.4.3 3.3.4 Cargo ejection x x x x 4.4.4 3.3.5 Grenade loading x x x x 4.4.5 3.3.6 Primary arming torque x x x 4.4.6 3.3.7 Primary arming x x x 4.4.7 3.3.8 Tape loop pull-off x x x 4.4.8 3.3.9 Fuze pull-off x x x 4.4.10 3.3.10 Tape loop drop-off x x
39、x 4.4.9 3.3.11 Thermal shock x x 4.4.11 3.3.12 Storage temperature x x 4.4.12 3.3.13 Transportation vibration x x 4.4.13 3.3.14 Temperature and humidity x x 4.4.14 3.3.15 Jolt x x 4.4.15 3.3.16 Jumble x x 4.4.16 3.3.17 Five foot drop x x 4.4.17 3.3.18 Beam spring cocked pull force x x 4.4.18 3.3.19
40、Spring embrittlement x x 4.4.19 3.3.20 Safety pin embrittlement x x 4.4.20 3.3.21 Slider assembly burn x x 4.4.21-4.4.23 3.4 Ammunition lot numbering x x 4.4.30 3.5 Workmanship x x x 4.4.31 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3232
41、6 (AR) 84.1 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). 4.2 First article inspection. When specified, a sample shall be subjected to first article inspection in accor
42、dance with Table II. 4.2.1 First article quantity. First article inspection shall be performed on the quantities listed in Table II. For molded and stamped components, five (5) each shall be submitted from every die/mold cavity or stamping tool to be used in production. 4.2.2 Inspections to be perfo
43、rmed. First article inspection shall be performed in accordance with Table II. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32326 (AR) 9TABLE II. First article inspection Examination or test Conformance criteria Requirement paragraph Inspe
44、ction method reference P-SDF, prior to attaching body loading assembly at grenade assembly point 10 3.2 4.3.2.1 Slider assembly 10 3.2 4.3.2.2 Slider 10 3.2 4.3.2.3 Ignitor 10 3.2 4.3.2.4 Transfer element 10 3.2 4.3.2.5 Cap 10 3.2 4.3.2.6 Housing assembly 10 3.2 4.3.2.7 Housing See 4.2.1 3.2 4.3.2.8
45、 Arming screw assembly 10 3.2 4.3.2.9 Arming screw 10 3.2 4.3.2.10 Timing plate 10 3.2 4.3.2.11 Weight See 4.2.1 3.2 4.3.2.12 Safety clip See 4.2.1 3.2 4.3.2.13 Arming spring 10 3.2 4.3.2.14 Safety pin See 4.2.1 3.2 4.3.2.15 Ignitor cup 10 3.2 4.3.2.16 Trigger assembly 10 3.2 4.3.2.17 Trigger 10 3.2
46、 4.3.2.18 Cover See 4.2.1 3.2 4.3.2.19 Trigger weight See 4.2.1 3.2 4.3.2.20 Delay composition 10 3.2 4.3.2.21 Ignition compound 10 3.2 4.3.2.22 Intermediate delay composition 10 3.2 4.3.2.23 Tape loop 10 3.2 4.3.2.24 Slider lock See 4.2.1 3.2 4.3.2.25 Body loading assembly, modified studs 10 3.2 4.
47、3.2.26 Grenade, GP, M42/M46 after fuze staking 10 3.2 4.3.2.27 Grenade assembly, prior to loading into projectile /3 3.2 4.3.2.28 NOTES: /1 Fuze testing may be combined per Figure 1 and 2 (see 6.17). /2 100% of ballistic sample. /3 See Figure 1 (see 6.17). /4 See Figure 2 (see 6.17). /5 See Figure 3
48、 (see 6.17). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32326 (AR) 10TABLE II. First article inspection - Continued EXAMINATION OR TEST CONFORMANCE CRITERIA REQUIREMENT PARAGRAPH INSPECTION METHOD REFERENCE Ballistic reliability test 237
49、6 (33 projectiles) 3.3.1 4.4.1, /5 Ballistic safety test 216 (3 projectiles) 3.3.2 4.4.2, /5 Gun launch 216 3.3.3 4.4.3, /5 Cargo ejection 216 3.3.4 4.4.4, /5 Grenade loading 216 3.3.5 4.4.5, /5 Primary arming torque 10 3.3.6 4.4.6 Primary arming 10 3.3.7 4.4.7 Tape loop pull-off 10 3.3.8 4.4.8 Tape loop dr
