1、niL-D-12957C 13 779770b 027473b T /- MILITARY SPECIFIC MIL-D-12957C (PA) 31 January 1974 SUPERCEDING 20 July 1971 MIL-D-12957B (MU) TION DESTRUCTOR, HE, UNIVERSAL, M10 ASSEMBLY PARTS, LOADING, ASSEMBLING AND PACKING #This specification is approved for use by all Departments and Agencies of the Depar
2、tment of Defense. 1. SCOPE 1,1 This specification covers the parts, loading, assem- bling and packing for one type of destructor designated as Destructor, HE, Universal, M10 Assembly. 2 APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request
3、for proposals, form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY MIL-A-2550 - Ammunition, General Specification For STANDARDS FEDERAL FED-STD-151 - Metals, Test Methods - : . I IFSC: 1375 I Provided by IHSNot for ResaleNo reproduction or networking permitted w
4、ithout license from IHS-,-,-MIL-D-12957C (PA) MILITARY MIL-STD-105 - MIL-STD-109 - MIL-STD-650 - MIL-STD-1168 - MIL-STD-1235 - W 9997906 0294737 I m Sampling Procedures and Tables for Inspection by Attributes (ABC-STD-105) Quality Assurance Terms and Definitions Explosive : Sampling, Inspect ion and
5、 Testing Lot Numbering of Amunition Single and Multilevel Continuous Sampling Procedures and Tables for Inspection by Attributes DRAWINGS U.S. ARMY PICATINNY ARSENAL 9216189 - Destructor, HE, Universal, M10 Assembly 9215526 - Container, Ammunition, Fiber, M346, for Destructor, HE, Universal, M10 921
6、5527 - Box, Packing, Ammunition for Destructor, HE, Universal, M10 PUBLICATIONS %AMERICAN SOCIETY FOR TESTING MATERIALS ASTM-A575-67-T - Merchant Quality Hot Rolled Carbon Steel Bars (Copies of specifications, standards, drawings and publications required by suppliers in connection with specific pro
7、curement functions should be obtained from the procuring activity or as directed by the Contracting Officer.) 3c REQUIREMENTS 3.1 Material. - The material and parts shall be in accord- ance with the applicable drawings and specifications. 3.2 The Destructor, HE, Universal, M10, Assembly shall comply
8、 wth all requirements specified on Drawing (dwg) 9216189 and all drawings referenced thereon, and with all requirements specified in applicable specifications. 3.3 Functioning. - Detonation of the destructor shall cause an indentation of 0.1 inch, minimum (min), depth at the deepest point and a diam
9、eter of 1.25 inches, min on a one inch steel plate. h Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-12957C (PA) 3.4 Workmanship. - All parts and assemblies shall be fab- ricated and loaded in a thorough, workmanlike manner. They shall be free
10、 of burrs, sharp edges, chips, cracks, dirt, grease, rust, corrosion products and other foreign material. The cleaning method used shall not be injurious to any part nor shall the parts be contaminated by the cleaning agent. Exterior surface coatings shall be continuous except for a few light scratc
11、hes not exposing base material. All required markings shall be neat and sharply defined. . 3.5 First Article Inspection. - This specification contains technical provisions for first article inspection. Requirements be as specified in the contract. * for the submission of first article samples by the
12、 contractor shall 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection.-Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or orde
13、r, the supplier may use his own or any other facilities suitable for the performance of the inspection re- quirements Specified herein, unless disapproved by the Govern- ment. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections ar
14、e deemed necessary to assure supplies and ser- vices conform to prescribed requirements, Reference shall be made to MIL-STD-109 to define terms used herein. The provi- sions of MIL-A-2550 shall apply. Submission of Product.-At the time each completed lot of items deliverable under the contract is su
15、bmitted to the Government for acceptance, the contractor shall supply the fol- lowing information accompanied by a certificate which attests that the information provided is correct and applicable to the product being submitted. 4,l.l a. A statement that the lot complies with all of the quality assu
16、rance provisions specified in this specification. b. Drawing and specification number and date, together with identification and date of changes thereto. cc A statement that all material purchased by the con- tractor meets requirements, when such material is controlled by Government or commercial sp
17、ecifications referenced in any of the contractual documents, and that certificates of conformance are on file and available for review. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-12757C 13 9 7977706 0274737 5 Major Defect, Code No. 14001
18、. - The sampling plan for this test shall be in accordance with MIL- STD-105, Code Letter K, using an AQL of 0.40 percent. Any des- tructor assembly which fails to provide an indentation in the steel pla$e of the required depth or diameter shall be classed defec+,ive. The test shall be performed as
19、specified in 4.4.4 using equiprnent in accordance with 4.3.4. 4.3.4 Inspection Equipment. - Inspection equipment required to perform the inspections prescribed in this specification is identified in the examination (4.3.2) and Test Method (4.4) para- graphs herein. See 6.3 for details concerning res
20、ponsibilities for inspection design and approval. 4.4 Test Methods and Procedures 4.4.1 Specific gravity of booster pellet. - The pellet shall be weighed on a balance and the weight recorded as dry weight. The pellet shall then be weighed while completely submerged in water, taking care to remove al
21、l air bubbles remaining on the surfaces of the pellet. The temperaturtof the water shall be 68 degrees Fahrenheit (F) plus or minus 2 degrees F. shall be recorded as weight under water. (When submerged, the position of the pellet shall be such that no air is entrapped). Specific. gravity shall be ca
22、lculated as follows: This weight Specific Gravity = A -m Where : A = Dry weight B = Weight under water 1 4.4-2 Hardness of flat of activator bushing or ammunition bushing. - This test shall be performed in accordance with FED- / STD-151, Method 243.1. / 12 Provided by IHSNot for ResaleNo reproductio
23、n or networking permitted without license from IHS-,-,-MIL-D-12457C 13 499990b 0294748 b M MIL-D-12957C (PA) 4.4.3 Pull Test. - The destructor assembly, less ammunition bushing, blasting cap bushing, and booster pellets, shall be assembled t the pull test fixture in accordance with 4.3.4 and the spe
24、cified pull applied in the axial direction. Observation shall be made for compliance with the applicable drawing requirements. 4.4.4 Functioning. - A test plate, or grade 1020 flat steel in accordance with ASTM A575-67T and measuring four inches by four inches, one inch thick, shall be used with eac
25、h destructor assembly for this test. The test shall be conducted on firm flat groi;nG. The test plate shall be positioned so that one of its large su?fz:es makes good contact with the surface of the earth. A No. 6 or :;z. 6 commercial blasting cap or military blasting cap shall be assernclod to the
26、destructor. The destructor shall be placed in the center of the upper face of the plate with the destructor perpendicular to the plate. The blasting cap shall be fired and the resultant effect of the detonation of the destructor on the plate shall be observed. The maximum depth measured from the ori
27、ginal surface and the diam- eter of the indentation in the plate shall be measured and recorded. 5. PREPRATION FOR DELITmRI 5.1 Preservation, packing, packaging and marking shall 6. NOTES be in accordance with dwg. 9215526 and 9215527. 6.1 Ordering data.-Procurement documents shall specify the follo
28、wing: a. Title, number and date of this specification. b. Data cards. - Data cards shall be prepared for each C. Provisions for submission of first article samples. Inspection code numbers.-The five digit code numbers lot in accordance with the information specified in Standard MIL-STD-1167. *6.2 as
29、signed to the inspections herein are to facilitate future data collection and analysis by the Government. They should be cited as references on drawings of equipment designs sub- mitted by the contractor to the Government for approval (see 6.3.3). s6.3 Inspection Equipment Designs.-Inspection equipm
30、ent designs are of two types - Government Special Inspection Equip- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-2295C 23 m 777770b 0244749 -8 MIL-D-.12957C (PA) ment (SIE) designs and contractor designs. SIE designs are designated by drawin
31、g numbers under the “Nethod of Inspection“ headings in Section 4. Design responsibility for all other inspection equipment is assigned to the contractor. The contractor need not furnish any design when a complete Govern- ment SIE design is provided. Unless otherwise specified, how- ever, the contrac
32、tor may submit alternate or modified con- tractor designs of SIE in accordance with 6.3.2 and 6.3.3 should he elect to do so. 6.3.1 SIE designs.-SIE designs may consist of any of the foiloNing: a. Detailed drawings which completely depict all infor- b. A source control drawing or a specification con
33、trol c. An envelope drawing, as defined in MIL-STD-100, mation necessary for the fabrication and use of the item of inspection equipment. drawing as defined in MIL-STD-100. which establishes the criteria which a detailed design shall meet. When envelope drawings are specified, the contractor shall p
34、repare designs which comply with the criteria therein. 6.3.2 Contractor designs.-Contractor designs are required for.all inspection equipment for which SIE designs are not speci- fied and may include comercial equipment which the contractor proposes to use. (Commercial equipment is defined as unmodi
35、fied equipment which is cataloged and available for purchase by the general public). Contractor designs shall include appropriate operating instructions, calibration procedures and maintenance procedures. Commercial equipment shall be fully described by catalog listings or other means which provide
36、sufficient infor- mation to permit identification and evaluation by the Government and may include illustrations and engineering data. Designs sha11 be prepared for any special fixture(s) required to be used with commercial equipment, or with SIE designs if not otherwise covered thereby (see 6.3.1).
37、 (per MIL-D-1000) specified in the Contract Data Requirements Lists (DD Form 1423). The contractor is referred to MIL-HDBK-204, ltInspection Equipment Design“ for guidance. The specification number and the applicable five digit defect code number (or other specific identifying information) from Sect
38、ion 4 of this spec- ification shall be referenced on each contractor design together with the component or assembly drawing number and revision letter to which the specific design applies. Designs shall be of the category and form 14 Provided by IHSNot for ResaleNo reproduction or networking permitt
39、ed without license from IHS-,-,-MIL-D-12957C (PA) 6.3.3 Submission of Designs for Approval.-Contractor designs shall be approved by the Government prior to fabricating or pro- . curing the equipment. Designs shall be submitted for approval to Picatinny Arsenal, ATTN: SARPA-&A-A-M, Dover, New Jersey
40、07801 in accordance with the stipulations, time frame and distribution - specified in the Contract Data Requirements List (DD Form 1423) or in the contract. The contractor must include in his sub- mission of designs a listing of any and all Government SIE designs which will be utilized. Partial subm
41、ission of inspec- tion designs is permissible and encouraged. However, the . completion date for design review will be based on the date of the final submission of designs. Picatinny Arsenal design review will normally be accomplished within one month after receipt. *6.4 The margins of this specific
42、ation are marked with an asterisk to indicate where changes (additions, modifications, corrections, deletions) from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors ar
43、e cautioned to evaluate the require- ments of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue . Custodian: Army-PA Project Number: 1375-LO78 Preparing Activity: Army-PA Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
