ARMY MIL-D-46286-1960 DETONATOR FLASH M21 LOADING ASSEMBLING AND PACKING《M21型火雷管装载 组装和包装》.pdf

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1、PlIL-D-qbZb 13 77777Ob 0310779 b . MILID-46286 (Ord) 26 September 1960 MILITARY SPECIFICATION DETONATOR, FLASH, M21 LOADING, ASSEMBLING AND PACKING 1. SCOPE 1.1 2. APPLICABLE DOCUMENTS This specification covers the loading, assembling and packing for one type flash detonator designated as Detonator,

2、 N21. 2.1 The following documents of the issue in effect on date of invitation for bids form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY MIL-G-2550 - General Specification for Ammunition Except Small Arms Ammunition, STANDARDS MILITARY MIL-STD-105 - Sampling

3、Procedures and Tables for Inspection MIL-STD-109 - Inspection Terms and Definitions, by Attributes. DRAWINGS ORDNANCE CORPS 7548100 - Box, Packing, Ammunition for Detonators. 7548103 - Box, Set-up, Packing, Ammunition, Outer for Booster, Detonators or Primers. Assembly, Details, Packing, and Marking

4、. 7548104 - Box, Set-up, Packing, Ammunition, Inner for Boosters, Detonators or Primers. Assembly, 8797756 - Detonator, Stab, M21, Loading Assembly. - Details, Packing and Marking. FSC 1375 I THIS DOCUMENT CONPABNS 10. PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted witho

5、ut license from IHS-,-,-MIL-D-4b28b 13 77777Ob 0310800 7 MIL-D-46286 (Ord) PUBLICATIONS ORDNANCE CORPS ORD-M608-11 - Procedures and Tables for Continuous Sampling IEL-7153519 - Index of Inspection Equipment Lists. (Copies of specifications, standards, drawings and publications re- quired by contract

6、ors in connection with specific procurement funetions should be obtained from the procuring activity or as directed by the contracting officer). of this specification to the extent specified herein. Unless other- wise indicated, the issue in effect on date of invitation for bids shall apply. by Attr

7、ibutes. 2.2 Other Publications.-The following document forms a part CODE OF FEDERAL REGULATIONS 49 CFR 71-78 - Interstate Commerce Commission Rules and Regulations for the Transportation of Ex- plosives and Other Dangerous Articles. (The Interstate Commerce Commission Regulations are now a part of t

8、he Code of Federal Regulations (1949 Edition and revisions) available from the Superintendent of Documents, Government Printing Office, Washington 25, D.C. Orders for the above publication should cite “49 CFR 71-78 (latest revision)“,) 3. REQUIREMENTS 3.1 Material.=Materials shall be in accordance w

9、ith applicable drawings and specifications. 3.2 Detonators,-The detonators shall comply with.al1 require- ments specified on arawing (dwg.) 8797756 and with all requirements specified in applicable specifications. - 3.3 Mois5re conten5 of lead azide.-The moisture content of the lead azide used in lo

10、ading the detonators shall not exceed 0.50 percent when tested as specified in 4.3.2. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-46286 (Osd) 3.4 Sensitivit .-The detonators shall function on the first attempt an dse perforation of the le

11、ad disc to a diameter of not less than l/8 inch when tested as specified in 4.3.3. 3.5 Workmanshi .-All parts shall be free from chips, dirt, not be injurious to any of the parts nor shall the parts be con- taminated by the cleaning agents. grease, rust -778 an ot er foreign material. The cleaning m

12、ethod shall k. QUALITY ASSURANCE PROVISIONS 4.1 General quality assurance provisions.-The supplier is re- sponsible for the performance of all inspection requirements specified herein. Except as otherwise specified, the supplier may utilize his om or any other inspection facilities and services acce

13、ptable to the Government. Inspection records of the examinations and tests shall be kept complete and available to the Government as specified in the contract or order. The Government reserves the right to perform any of the inspections set forth in the specification where such in- spections are dee

14、med necessary to assure that supplies and services conform to prescribed requirements. Standard MIL-STD-109 in order to define the terms used herein. In- spection shall be performed in accordance with this specification and other specifications referenced in any of the contractual documents. shall p

15、rovide and maintain an effective quality assurance system acceptable to the Government covering the supplies procured under this specification and shall perform all inspections required by the system. A current written description of the system shall be submitted to the contracting -officer, and mee

16、t his approval, prior to initiation of production, It shall include a description cover- ing controls for lot formation and identification, inspections to be performed, inspection stations, sampling procedures, methods of inspection (gages, measuring, and testing equipment) , and provisions for cont

17、rol and disposition of non-conforming material. The written description will be considered acceptable when, as a minimum, it pro- vides the quality assurance required by the provisions of 4,2 and 4.3 and the other documents referenced herein, Except in the cases of 4.3.3 the contractor shall not be

18、restricted to the inspection station nor the method of inspection listed in this specification provided that an equivalent control is included in the approved quality assurance procedure. In cases of dispute as to whether certain procedures of the contractorts system provide equal assurance, the com

19、parable procedure of this specification shall apply. The con- tractor shall notify the Government of, and obtain approval for, Reference shall be made to 4.1.1 Contractor quality assurance system.-The contractor 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license f

20、rom IHS-,-,-MIL-D-46286 (Ord) any change to the written procedure that affects the degree of assur- ance required by this specification or other documents referenced herein. and height of drop shall not differ from the values specified in 4.3.3 and on the applicable test equipment drawing. Submissio

21、n of product,-At the time the completed lot of product is submitted 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 applicable to the product being submitted: A statement th

22、at the lot complies with all quality assur- ance provisions of the approved current written description of the system. Number of units of product inspected. Results obtained for all inspection performed. Certificates of analyses on all material procured directly In the case of the sensitivity test,

23、the weight of the ball 4.1.2 a. b. c, d. Drawing, specification number and date, together with an identification and date of changes, e. by the contractor. f. Number of items in the lot. go Date submitted, The certificate shall be signed by a responsible agent of the certify- ing organization, The i

24、nitial certificate submitted shall be sub- stantiated by evidence of the agents authority to bind his princiapl, Substantiation of %be geq$fg authority will qot be required with subsequent certifisateg unlesa, during the course of the contract, this authority is veated $0 aqotber ggent of the certif

25、ying organi- zation, 4*1*3 ee rifioatia ,I-ging the eontraetorts written quality aeau%kf$#p identification. Observation of sampling procedures and application of acceptance criteria. Determination that all required examinations and tests are performed in accordance with the.prescribed procedures of

26、this specification, or approved equivalents thereto. Review of procedures for control and disposition of- non-conforming material. ment of contractor accepted product will be performed to the extent necessary to assure contractor compliance with the requirements of this specification and to determin

27、e the reliability of contractor recorde, istics will be directly related to the seriousness classification assigned. In no instance will a characteristic classified ncriticalw be accepted solely on the basis of the contractorte records. Specification MIL*.G-2550. ) Deviations and deficiencies,-Devia

28、tions from the pre- scribed or agreed upon procedums, or instancesaof poor practice which have an effect on the quality of the product, shall be called to the attention of the contractor .%mediately. To avoid interference with operatione, the contractor shall designate a responsible official, or off

29、icials, to whrq tne Government inspector will report such instances, Failure f the contracrtor to correct deficiencies promptly, shall be cause for suspension of acqeptance until correction has been made or until conformance to prqscribed criteria has been demonstrated. 4,2 Insmction Provisiona. 4,2

30、.1 Lot formation.-A lot ehall consist of detonators pro- duced by one manufacturer in one unchanged procem, in accordance with the same drawing, rame drawin revision, same specification, cem changea not affecting eafety, performance, or fit, as deter- mined by the Government, ehall not necessitate c

31、hanging the lot number, Each lot shall contaln: a, Parts bearing the mame interfix lot number from one manufacturer. b, Lead aaide from not more than one lot. c. Tetryl from not more than on6 lot, Product inspection.-Physical inspection by the Govern- Severity of Government inspection of individual

32、character- (See 4.1.3.3 and same epeclfication revieion, a rawing, specification, and pro- 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-VbZb 13 W 7979706 03LOOY b W 4.2,2 Examination.-Sampling plans and procedures for the fol- lowing class

33、ification of defects shall be in accordance with Standard MIL-STI)-105 except.that inspection for critical defects, when listed, shall be 100 percent. Continuous sampling plans in accordance with Hiidbook ORD-M608-11 may be used if approved by the procuring activity. Also, at the option of the procu

34、ring activity, AQLTs and sampling plans may be applied to the individual characteristics listed using an AQL of 0.25 percent for each major defect and an AQL of 0.40 per- cent for each minor defect. Equipment necessary for the performance of the inspections listed shall be in accordance with lt.2.4.

35、 4.2.2.1 Asaemblrr (8 ee dw. 879775 6). Categories Defects Method of inspection Critical: None defined Major: AQL 0.65 percent 101. Length Gage 102. Diameter . Gage 103. Not crimped full. 3600 Visual 104. Disc loose . Manual 105. Disc punctured or torn . Visual 106. Cup damaged Visual 107. Color of

36、lacquer incorrect (both ends) . Visual 201. Evidence of poor workmanship (see 3.5) Vi.SUd Minor: AQL 0.40 percent 4.2.2.2 Box, Set-up, P ackinp, ammunition, inner (see dwg. 7548104.) . Defect4 Method of inspection Categories Critical: None defined “ 101, 102. Box damaged exposing contents .V i mal L

37、abel missing or incorrect Visual Minor: None defined 6 . ,- . i _. ;.,.:.p. . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.lIL-D-46286 13 M 9999

38、906 0330806 T MIL-D-46286 (Ord) not begun, the loti of tetryl shall be rejected until proper corrective If loading has begun, action on action has been accomplished as verified by repeating the binder-lubri- cant content test specified in 4.3.1. the unloaded tetryl shall be as specified above and al

39、l detonators loaded with the questionable tetryl shall be rejected. plete detonators shall be selected in accordance with Standard MIL- STD-105, using code letter P and an AQL of 0.15 percent. detonators shall be tested as specified in 4.3.3, using test equip- ment specified in 4.2.4. Standard MIL-S

40、TD-105. 1nspect.ion equipment.-For the performance of the exami- nations and tests specified In 4,2,2 and 4.2.3, when applicable, the contractor shall have available, and utilize correctly, all necessary gages, measuring, and testing equipment identified by Index of Inspection Equi ment Lists No, 75

41、3519$ or approved equivalents there- to. (see.4.1.1 P When inspecting the contractors inspection equip- ment, the Government inspector will determine that the contractor has available, and utilises correctly, gages, measuring and testing equipment of the required accuracy and precision and that the,

42、instru- ments are of the proper type and range to make measurements of the required accuracy, gages, standards, and appropriate instruments for regularly scheduled calibration of his inspectiori equipment, Records of such regularly scheduled calibration will be maintained by the contractor and made

43、available for review by the Government, standards, and instruments will be periodically checked by authorized Government personnel, accurately Wei-ghed portionof 5 grams shall be transferred to a, medium porosity sintered glass filtering crucible. be extracted with four 10 milliliter (mi,) portions

44、of acetone maintaining each portion in contact with the residue for approximately 5 minutes before applying suction. shall be broken up and the sides of the crucible washed down with each 10 ml. portion of acetone to insure complete removal of the tetryl. The residue shall be asperated until the odo

45、r of acetone is no longer detectable. in a ,drying oven at 100 degrees Centigrade (OC,) - 15O0Ca for 1/2 hour, cooled in a desiccator and weighed. shall be repeated, drying and weighing, with individual 10 ml, portions of acetone until the loss in weight on subsequent extractions totals less than 0,

46、005 gramr shall be calculated to the percentage of total binder-lubricant. 4.2.3.3 Sensitivity (see 3.4) - Major defect.-A sample of com- The sample Rejection shall be in accordance with 4.204 The contractor will have available a set of master The calibration of gages, 4.3 Test methods and procedure

47、s, 4.3.1 Determination of binder-lubricant content of tetryl.-An The sample shall Any lumps which may persist The curcible and contents shall be placed The above extraction The weight of residue in the crucible 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr

48、om IHS-,-,-MIL-D-qbZb 13 W 77777Ob 0330807 3 M - - - MIL-D-46286 (Ord) Determination of moisture content of lead aziide.-A tared 4.3.2 dried aluminum dish 2 inches in diameter shall be covered with a sheet of polytetrafluoroethylene 2 1/2 inches square and sufficiently flat to form a tight cover, ap

49、proximately two grams of the sample shall be transferred to the moisture dish and the dish and the contents shall be transferred to an oven and dried at 950C. 2 2OC. for two hours. be placed in the sulfuric acid desiccator during the drying period. After drying, the dish shall be quickly transferred to the desiccator and allowed to cool to room temperature. The polytetrafluoroethylene cover shall be placed on the dis