1、.I :i PlIL-F-qh235 13 m 9777906 .O317678 7 MIL-F-48235 (MU) 16 July 1973 MILITARY SPECIFICATION - - FIRING DEVICE, ANTI-PERSONNEL MINE, ELECTRICAL M57E1 PARTS FOR, ASSEMBLING AND PACKING - 1. SCOPE 1.1 This specification covers the parts, assembling and packing for one type of firing device designat
2、ed as Firing Device, Anti-Personnel Mine, Electrical M57E1. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposals, form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL PPP-T-45 - Tape, Gu
3、mmed, Paper, Reinforced and PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner PPP-B-636 - Boxes, Fiber Plain, for Sealing and Securing MILITARY MIL-P-116 - Preservation, Methods of MIL-A-2550 - Ammunition and Special Weapons, General MIL-S-4473 - Shielding of Magnetron Tube and Magnets MIL-L-10547- Li
4、ners, Case, and Sheet, Overwrapped; MIL-F-50449- Filler, Sheet Form (For Use in Ammuni- Specification for. and Components Containing Magnetron Tubes or Magnets for Air Shipment. Watervaporproof tion Container) I THIS bOCUMENT CONTAINSd,?PAGEC Provided by IHSNot for ResaleNo reproduction or networkin
5、g permitted without license from IHS-,-,- -_ . . - a. _. -_- -. ._ . .- MIL-F-48235 (MU) - - . e - STANDARDS MILITARY .- MIL-STR-105 - Sampling Procedures and .Tables for MIL-STD-109 - Quality Assurance Terms and Defini- - Inspectlon by Attributes (ABC-STD-105) tions. MIL-STD-129 - Marking for Shipm
6、ent and Storage. MIL-STD-1168- Lot Numbering of Ammunition. MIL-STD-1169- Packaging, Packing and Marking for Shipment of -Inert Ammunition Com- .MIL-STD-1235- S.ingle: and Multilevel Continuous . ponents. Sampling Procedures and Tables for Inspection by Attributes. DRAWINGS a u. S. $RMY MUNITIONS CO
7、MMAND 9200408 - Chamber, Vacuum Test 9270787 - Firing Device, Anti-Personnel Mine, 9272095 - Connector, Male Electrical, M57 El (Copies f spe.cifications, standards .and drawings required by suppliers in connection wi?h specific procurement functions should-be-obtained from the procuring activity or
8、 as directed by the contracting officer). . . 3. REQUIREMENTS 3.1 Material. - Materials, parts and assemblies shall be 3.2 Firing devices. - The firing devices shail comply with all requirements specified on drawings referenced on Drawing (dwg.) 9270787 and with all requirements specified in applica
9、ble specifications. . 3.3 Embrittlement of springs. - Cap springs, actuator springs, armature springs, and bail springs shall not break when extended to the minimum (min) point of permanent distortion. in accordance with applicable drawings and specifications. 2 Provided by IHSNot for ResaleNo repro
10、duction or networking permitted without license from IHS-,-,-MIL-F-48235 (MU) 3.4 Air leaks. - Firing devices shall show no evidence of cracking or separation of the parts or failure of the seals. 3.5 Functioning. - Firing devices shall function as follows: 3.5.1 Ambient (70 degrees plus or minus 5
11、degrees F). a. Mechanism does not actuate when handle is depressed with bail in safety (vertical slot) position. b. Mechanism actuates when handle is depressed with bail in functioning (angular slot) position. c. Total energy generated shall measure not less than 21 milliwatt-seconds nor more than 3
12、0 milliwatt-seconds as dissipated through 1.76 ohms of a 3.25 ohm load. Total time to deliver this energy shall not exceed 24 milliseconds, nor be less than 10 milliseconds. position and be capable of repeated use with a double pulse (positive and negative) for each actuation. d. Actuating mechanism
13、 shall return to original cocked 3.5.2 Cold temperature. - The firing devices shall function as specified in 3.5.1 a through d, after conditioning for a minimum of 24 hours at minus 40 degrees F. plus or minus 5 de- grees F., with the exception that the minimum acceptable total energy generated shal
14、l be 18 milliwatt-seconds. 3.6 Workmanship.-All parts and assemblies shall be rab- ricated and finished in a thorough workmanlike manner, They shall be free of burrs, chips, sharp edges, cracks, crazes, unblended radii, porosity, warpage, burn marks, checks, chipped edges, blisters, excess flash, di
15、rt, grease, rust, salt deposits, visible raised cement seams, solder splash, corrosion products, and other defects and foreign matter which would affect their serviceability, The cleaning method used shall not be injurious to any part nor shall the parts be contaminated by the cleaning agent. All re
16、- quired markings shall be neat, legible and sharply defined. 3.7 First Article Inspection. - This specification makes provisions for first article inspection. Requirements for the submission of first article samples by the contractor shall be as specified in the contract. 4. QUALITY ASSURANCE PROVI
17、SIONS 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-48235 J3 7777706 03176L 7 MIL-17-48235 (MU). 4.1 Responsibility-for Inspection. - Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performa
18、nce of all inspection requirements as specified herein. Except as otherwise specified in the con- tract or order, the supplier may use his own or any other facili- ties suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government
19、reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Reference shall be made to MIL-STD-109 to define terms used herein. The provisions of MIL-A-2550 shall a
20、pply 4.1.1 Submission of product. - At the time each com- pleted lot of items deliverable under the contract is sub- mitted to the Government for acceptance, the contractor shall supply the following information accompanied by a certificate which attests that the information provided is correct and
21、applicable to the product being submitted: a. A statement that the lot complies with all of the quality assurance provisions specified in this specification. b. Drawing and specification number and date, to- gether with identification and date of changes thereto. -c. A statement that all material pu
22、rchased by the contractor meets requirements, when such material is controlled by Government or commercial specifications referenced in any of the contractual documents, and that certificates of conformance are on-file and available for review. d. Number of items in the lot. e. Date submitted. The c
23、ertificate shall be signed by a responsible agent of the Yertifying organization. The initial certificate submitted shall be substantiated by evidence of the agents authority to bind his principal. Substantiation of the agents authority Nil1 not be required with subsequent certificates unless, durin
24、g the course of the contract, this authority is vested in another 3gent of the certifying organization. 4.2 First Article Inspection 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-48235 13 W 7979906 0317682 9 W MIL-F- 4 8 2 3 5 ( MU ) 4.2.1
25、Submission. - Prior to the start of regular produc- tion the contractor shall submit a first article sample (see 6.1) to a Government approved facility as designated by the contracting officer for evaluation in accordance with the pro- visions of 4.2.2. The first article sample shall consist of comp
26、onent parts, sub-assemblies and assemblies which have been produced by the contractor or furnished by a supplier and which have been manufactured using the same production processes, pro- cedures and equipment which will be used in fulfilling the con- tract. All parts and materials, including packag
27、ing and packing components, shall be obtained from the same source of supply as will be used in regular production. Prior to submission, the contractor shall inspect the sample to the degree necessary to assure that it conforms to the requirements of the contract, and he shall submit a record of thi
28、s inspection with the sample, including certificates of conformance of materials. A sample containing known defects shall not be submitted unless speci- fically authorized by the contracting officer. A first article sample, or portion thereof, as directed by the contracting of- ficer shall also be s
29、ubmitted whenever there is a lapse in pro- duction for a period in excess of 90 days, or whenever a change occurs in manufacturing process, material used, drawing or speci- fication such as to significantly affect product uniformity as determined by the Government. In the event of rejection, the Gov
30、ernment reserves the right to require the contractor to take corrective action and submit an additional sample or portion thereof of items for first article inspection. Until that phase of the first article sample consisting of parts, and firing de- vices is accepted, the contractor is in no way, au
31、thorized by the Government to initiate regular production unless otherwise directed by the contracting officer. 4.2.2 First Article Inspection Provisions 4.2.2.1 Component parts and Subassemblies 4.2.2.1.1 Submission. - Twenty-five (25) complete sets of parts (5.e. 25 each of every component part an
32、d subassembly, including at least three (3) items from each cavity used to produce plastic parts and be so identified as to permit tracing each item to the cavity in which it was molded). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-48235 13
33、 W 97777060337683 O W MIL-F-LC8235 (MU) - 4.2.2.1.2 Inspections to be performed. - The parts and sub-assemblies will be subjected by the Government to any or all of the applicable examinations and tests specified in 4.3.2, 4.3.3 and 4.3.5 of this specification and any or all of the requirements of t
34、he applicable drawings. 4.2.2.1.3 Rejection. - If any component or subassembly fails to comply with any of the applicable requirements, the first article sample shall be rejected. The Government reserves the right to terminate its inspection upon any failure of a component or subassembly to comply w
35、ith any of the stated re- quirement s. 4.2.2.2 Firing Device Assemblies 4.2.2.2.1 Submission. - Thirty (30) test sets completely packaged and sealed as required by the applicable drawings. 4.2.2.2.2 Inspection to be performed. - The 30 firing device assemblies shall be subjected to the following tes
36、ts in the sequence indlcated in addition to the inspection of 4.3.2.18 : a. Air leak test (see 3.4) in accordance with the method specified in 4.4.2. b. Functioning at ambient temperature (see 3.5.1) in accordance with the method specified in 4.4.3. c. Functioning at cold temperature (see 3.5.2) in
37、accordance with the method specified in 4.4.3. 4.2.2.2.3 Rejection. - If any firing device fails to comply with any of the applicable requirements, the first article sample shall be rejected. The Government reserves the right to terminate its inspection upon any failure of the test set to comply wit
38、h any of the stated requirements. 4.3 inspection Provisions 4.3.1 Lot formation. - The term “inspection lot“ as used in this specification is defined as an essentially homogeneous collection of units of product from which a representative sample is drawn and inspected to determine conformance with a
39、pplicable requirements. Th sample selected shall represent only that quantity of units from which the sample was drawn and shall not be construed to represent any prior or subsequent 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-48235 (MU)
40、quantities presented for inspection. Homogeneity shall be considered to exist provided the inspection lot has been pro- duced by one manufacturer, in one unchanged process, using the same material and methods, in accordance with the same drawings, same drawing revisions, same specifications and same
41、 specification revisions and complies with the provisions for submission of product as specified in MIL-XTD-105. Changes to the process, specification, or drawing not affecting safety, performance, interchangeability, or storage, as determined by the Government, shall not be deemed to alter the homo
42、geneity of an inspection lot. All material submitted for inspection in accordance with this specification shall comply with the homogeneity criteria specified herein regardless of the type of sampling procedure which is being applied to determine con- formance with requirements. Lot numbering, as re
43、quired, shall be in accordance with MIL-STD-1168. Each inspection lot of firing devices shall contain parts from not more than one lot interfix number from one manufacturer. 4.3.2 Examination. - The examinations listed in the following subparagraphs shall be performed on inspection lots (see 4.3.1)
44、of the components or assemblies designated in the applicable paragraph headings. Inspection for critical defects (and major defects, when so specified) shall be 100 per- cent. Sampling plans for major and minor defects shall be in accordance with MIL-STD-105 except that continuous sampling plans in
45、accordance with MIL-STD-1235 may be used if approved by the Government. Instead of applying the AQLs designated herein to the groups of major and minor defects listed, the contractor may elect to apply AQLs to individual defects using an AQL of 0.40 percent for each major defect and an AQL of 0.65 p
46、ercent for each minor defect. When this method is elected, it shall be applied to all of the major and minor defects listed in the applicable subparagraph of this section, except where 100 percent inspection is specified, and be documented as part of the contractors inspection system. Equipment nece
47、ssary for the performance of the inspections listed shall be in accordance with 4.3.4. 4.3.2.1 Housing (see dwg. 8800936 covering a detail of dwg. 8837124). Cat egories Defects Method of Code No. Inspect ion (see 6.2) Critical: None Defined 7 Provided by IHSNot for ResaleNo reproduction or networkin
48、g permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02004 104. Diameter of hole . Gage 105. Concentricity of small outsid-e diameter with inside diameter . Gage diameter . Gage 02005 106. Concentricity oflarge out
49、side diameter with inside 02006 02008 108. Length of slot . Gage 109. Width of slot Gage large end Gage 111. Length to hole . Gage or incomplete Gage 02009 110. Parallelism of hole with 02010 02011 02012 112. Surface finish improper Minor: AQL 2.50 percent 02013 201. Total length Gage diameter Gage (see 3.6) . Visual 02017 202. Depth of inside diameter Gage 02014 203. Length of large outside 02015 02016 2
