1、 - MIL-F-63271A 13 = 9779906 03LIb887 O MIL-F-63271A (AR) 25 July 1981 SUPERSEDING MIL-F-63271 (AR) 28 May 1978 MILITARY SPECIFICATION FUZE, POINT INITIATING, BASE DETONATING M509A2/METAL PARTS, WITH DETONATOR This specification is approved for use by the U.S. Army Armament Research and Development
2、Conmand and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification covers the parts for, assembly and packing for one type of artillery fuze designated as Fuze, Point Initiating, Base Detonating, M509A2. 2. APPLICABLE DOCUMENTS 2.1 The foll
3、awing documents of the issue in effect on date of invitations for bids or request for proposal form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY MIL-P-116 - Preservation Methods of MIL-A-13812 - Steel Plate, Wrought, Homogeneous, For Amnunition Testing (1/4 to
4、 12 Inches, incl. 1 Provisions, General Specification for MIL-A48078 - Armnunition, Standard Quality Assurance MIL-D-60031 - Detonator, Electric, M69 r- STANDARDS MILITARY MIL-STD.105 - Sampling Procedures and Tables for MIL-STD-331 - Fuze and Fuze Components Inspection by Attributes Environmental a
5、nd Performance Tests for Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-63271A (AR) MIL-STD-1167 - Anmunition Data Cards MIL-STD-1168 - Lot Numbering of Ammunition MIL-STD-1169 - Packaging, Packing and Marking for Shipment of Inert Ammunition
6、Components DRAWINGS US ARMY ARMAMENT RESEARCH AND DEVELOPMENT COMMAND 879.9738 - Cover, Booster 8799768 - Cup Lead . 8837807 - Box foi Fuze PIBD, M509A2 9248976 - Box,- Fiberboard Packing, Ammunition for 9323857 - Fuze PI, BD, M509A2 or Fuze PIBD, M530 Fuze, PIBD, M509A2, M530, M530A1 Mpts Assy/W/De
7、tonator (Copies of specifications, standards, drawings and publications required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the Contracting Officer). 3. REQUIREMENTS 3.1 Material. Materials shall be in accordance
8、with applicable drawings and specifications. 3.2 Fuze assembly. The fuze assembly shall comply with all requirements specified on Drawing (Dwg.) 9323857 and with all requirements specified in applicable specifications. 3.3 Arming of release mechanism assembly. The release mechanism shall arm when su
9、bjected to a maximum (max.) centrifugal acceleration (see 6.4) of 4300 gs, when tested as specified in 4.5.1. 3.4 Non-arming of release mechanism assembly. The release mechanism assembly shall not arm when subjected to a minimum (min.) centrifugal acceleration (see 6.4) of 2500 gravities (gs), when
10、tested as specified in 4.5.2. 3.5 Arming of fuze. The metal parts assembly, with detonator, shall arm when subjected to a maximum (max.) centrifugal acceleration (see 6.4) of 4300 gravities (gs), when tested as specified in 4.5.3. 3.6 Non-arming of fuze. The metal parts assembly, with detonator, sha
11、ll not arm when subjected to a minimum (min.) centrifugal acceleration (see 6.4) of 2500 gravities (gs), when tested as specified in 4.5.4. 3.7 Functioning. There shall be no evidence of premature burst and the fuze shall function the projectile high order as evidenced by complete penetration of the
12、 armor plate target by jet action, when tested as specified in 4.5.5. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-b3271A 13 7979906 0346891 7 D MIL-F-63271A (AR) 3.8 Jolt and jumble. The metal parts assembly, with detonator, shall comply
13、with the requirements of MIL-STD-331, Test No. 101.2, Procedure II for Jolt and Test No. 102.1 for Jumble. 3.9 Transportation vibration. The metal parts assembly, with detonator, shall comply with the requirements of MIL-STD-331, Test No. 401. 3.10 Embrittlement of springs. The springs shall not bre
14、ak when tested to the minimum point of permanent distortion. The test shall be performed as specified- in 4.5.8. 3.11 Detonator M69. The M69 Electric Detonator used in loading these fuzes shall comply with MIL-D-60031 and the requirements of this spec if icat ion. 3.11.1 Detonator deterioration. Det
15、onators scheduled for use in loading these fuzes, shall not be used if two (2) or more years have elapsed since the last government acceptance test or if the detonators or packing/packaging, exhibits evidence of having been subjected to adverse environmental conditions, however brief, until tested f
16、or possible deterioration as specified in MIL-D-60031 and the quality verified as acceptable. 3.12 Workmanship. All parts shall be fabricated and finished in a thorough workmanlike manner. The parts shall be free of burrs, chips, cracks, sharp edges, unblended radii, surface defects, and dirt, greas
17、e, rust, corrosion products and other foreign matter. The cleaning method used shall not be injurious to any part nor shall the parts be contaminated by the cleaning agent. All required marking shall be, neat and sharply defined . 3.13 First article inspection. This specification contains technical
18、provisions for first article inspection. Require- ments for the submission of first article samples by the contractor shall be as specified in the contract. 3.14 Data requirements. The contractor shall generate data in accordance with the data item descriptions cited in 4.3.4 and 4.4.2. 4. QUALITY A
19、SSURANCE PROVISIONS 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I f RIL-F-63271A 13 = 999790b 034b872 O MIL-F-63271A (AR) 4.1 ravisions. Responsibility for inspection and standard quality assurance Unless otherwise specified herein or in the co
20、ntract, the !ravisions of MIL-A-48078 shall apply and are part of this detailed specification. 4.2 Classification of inspections. The follcrwing types of inspections shall be conducted on this item: a. First Article Inspection b. Production Quality Conformance Inspection 4.3 First article i2sDection
21、. 4.3.1 Submission. The manufacturer of the fuzes, prior to the initiation of remlar production, shall ship to a Government approved facility designated by the Contracting Officer for evaluation, an initial production sample consisting of 25 completed assemblies (with detonator) and 25 complete sets
22、 of parts (i., 25 each of every component and every subassembly) for evaluation in accordance with the provisions of 4.3.2. An additional eighty (80) metal parts assemblies with detonators, shields, booster covers and lead cups, which have been inspected, shall be shipped to the appropriate proving
23、ground for acceptance functioning tests (see 3.7 and 4.5.5). 4.3.2 Inspections to be performed. The first article sample assemblies and components shall. be inspected for conformance with any or all of the requirements of this specificatip including proving ground tests (see 4.5.S) and any or all of
24、 tfie requirements of tfie applicable drawings (see Tahle I). 4.2.7.1 Proving groiind tests 4.3.2.1.1 Plate performance, 1Ci5mm. Twenty (20) fuzes shall be loaded and tested in Cartridge, lOSMM, H3AT-T, M4.56 at ambient temperature as specified in 4.5.5.1. 4.3.?.1.2 Plate performance, 106m. Twenty (
25、20) fuzes shall be loaded and tested in Cartridge, 106P(M, IiEAT-T, M344A1, at ambient temperature as specified in 4.5.5.1. 4.3.2.1.3 Extreme temperature plate performance (INFORMATION ONLY). Forty (40) fuzes shall be loaded and tested for informational purposes only at extreme temperatures in accor
26、dance with 4.5.5.2. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-63271A (AR) 4.3.3 Rejection (See MIL-A-48078). In the ballistic tests, if a premature burst occurs or if two (2) or more projectiles fail to penetrate the plate in either the
27、 105MM or 106MM plate performance test (not including extreme temperature information tests), the initial production sample shall be rejected. 4.3.4 Process controls and plans. The contractor shall submit, prior to the initiation of production, a written plan of process and process controls to assur
28、e that critical components contain no process defects. Included in the plan shall be specifically the process controls for the following: a. Destructive load tests of rotor pin, leaf pins, leaf spring posts, leaf posts and leaf spring. (1) The contractor shall define the process used to fabricate th
29、e first article quantity for the specific assemblies/parts identified. This definition shall state specifically the tools or equipment and technique used to insert the pins or posts into the base material and the instrument used to disrupt the base of the posts to assure proper integrity. to assure
30、proper tension shall be specified. may be submitted as a listing of equipment/tools complemented with a description of the primary process steps. The manner in which the leaf springs are coiled or processed These process definitions (2) The intended process contros to assure proper quality of the sp
31、ecific assemblies/parts identified shall be provided by the contractor upon submission of first article. The controls shall include, as applicable, the design force for insertion of pins, periodic inspections of hole or shaft diameter, and load deflection of the leaf spring in terms of actual value
32、and limits anticipated. and frequency shall be specified. These shall be verified as adequate through a push out (or pull) test of a minimum of 5 pieces used to establish a positive value of integrity in terms of force. The actual values shall be recorded for information and used to evaluate the acc
33、eptability of process changes as required. The sample size b. The contractors written plan of process and process controls shall be submitted in accordance with Data Item Description DI-P-1604, with Attachment 1, as modified by Commander, ARRADCOM, Dover, NJ. One copy of the plan shall be prepared f
34、or each of the following recipients: Commander ARRADCOM, ATTN: DRDAR-LCU-CV and DRDAR-QAT-B, Dover, NJ 07801. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-63272A 23 3779706 0346894 4 MIL-F-63271A (AR) C. The results of the destructive load
35、 tests, as specified by the contractors written process control plan shall be prepared for each lot in accordance with Data Item Description DI-T-1906, with copies forwarded to Cornander, ARRADCOM, ATN: 07801. DRDAR-LCU-CV and DRDAR-QAT-B, Dover, NJ 4.4 Quality conformance inspection 4.4.1 Inspectio
36、n lot forma.tion. Inspection lots shall comply with lot formation provisions of MIL-A-48078. shall contain: In addition, inspection lots a. Parts bearing the same lot interfix number from one manufacturer. b. Detonators bearing the same lot interfix number from one manufacturer. 4.4.2 Examination. O
37、ne hundred percent examination shall be performed for all critical defects and major defects when so specified. Examination for major and minor defects shall be performed on a defect hasis in accordance with the classification of defects contained herein using the sampling plans of Standard MIL-STD-
38、105, Level II. nonconforming material shall be rejected. All (See MIL-A-48078). a. A summary report of all critical defects found; the number of parts or assemblies inspected for critical defects, listed by each part or assembly; and, the corrective action taken, if any, shall be prepared monthly fo
39、r the duration of the contract in accordance with Data Item Description DI-R-1721, with copies forwarded to the following: Comander, ARRADCOV, ATTN: DRDAR-LCU-CV and DRDAR-QAR-E, Dover, NJ 07801. . 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Y
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