ARMY MIL-C-60458-1967 CARTRIDGE 105MM HE ROCKET ASSISTED XM548 DELAY ASSEMBLY FOR《XM548型105MM HE炮弹火箭辅助迟延装载》.pdf

1、- =-. MIL-C-601158 13 79777Ob 03386117 b /- 5-39-6 MIL-C-60458 (MU) 27 October i967 Super se des 1 February1966 PA-PD-2 781 MILITARY SPECIFICATION CARTRIDGE, 105MM, HE, ROCKET ASSISTED, XM548, DELAY ASSEMBLY FOR 1. SCOPE 1.1 This specification covers the quality assurance provisions for the delay as

2、sembly parts and loading, assembly and packing for the 105MM Rocket Assisted Cartridge, XM548. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or requests for proposal form a part of this specification to the extent specified herein. SPECIFIC

3、ATIONS MILITARY MIL-E-463 - Ethyl Alcohol, for Ordnance Use. MIL-A-2550 - Ammunition and Special Weapons, MIL-C-13739 - Composition, Delay. General Specification for. . MIL-1-45607 - Inspection Equipment, Supply and Maintenance of. STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for

4、Inspection by Attributes. MIL-STD-109 - Quality Assurance Terms and Definitions. MIL-STD-1168 - Lot Numbering of Ammunition. MIL-STD-1235 - Single or Multilevel Continuous Sampling Procedures and Tables for Inspection by Attributes. FSC: 1315 . THIS DOCUMENT CONTAINS /*5 PAGES. Provided by IHSNot fo

5、r ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-60458 (MU) DRAWINGS ARMY 9212402 - Delay Assembly for 105MM RAP. 9212403 - Washer. 9212404 - Housing. PUBLICATIONS ARMY ET-9212402 - Equipment Tabulation. (Copies of specifications standards, drawings and publications

6、 required by suppliers 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 with the applicable drawings and specifications. shall comply with all r

7、equirements specified on drawing 9212402, 9212403, and 9212404 and with all requirements specified in applicable specifications. 3.2 Parts and assemblies. - The parts and assemblies 3.3 Pyrotechnic Composition. - The flash, delay, and igniter composition shall comply with applicable drawing require-

8、 ments. 3.3.1 Process (see 6.4).-The delay composition shall be manu- factured using conventional wet blending techniques and shall employ ethyl alcohol, grade III or V of NIL-E-463 as a blending medium and passed through a No. 16 mesh screen to provide initial granulation. 3.3.2 Particle Size. - Th

9、e dried delay composition shall be sieved and shall be retaineci on an 80 mesh screen. 3.3.3 Moisture content. - The moisture content of the flash, delay, and igniter composition at the time of loading shall not exceed 0.05 percent when tested in accordance with 4.4.3. 2 Provided by IHSNot for Resal

10、eNo reproduction or networking permitted without license from IHS-,-,-. . MIL-C-bO458 13 = 777770b 0338651 4 MIGC-60458 (MU) 3.4 Flight Test 3*4.1 Pyrotechnic Material Acceptance (see 4.3.3.4.1) - plus 70F - After conditioning at 70F for a period of 12 hours, minimum the delays shall be fired at a p

11、roving ground as specified in 4.4.1.1. The average delay time shall be 15.75 seconds plus or minus 0.75 seconds and the standard deviation of the delays shall not exceed 0.50 seconds. 3.4.2 Delay Assembly Accetpance 3.4.2.1 Plus 155OF - After conditioning at 155OF for a period of 24 hours minimum, t

12、he delay assembly shall be flight tested at a proving ground (see 4.4.1.2.1). The average delay time shall be 12.5 seconds plus or minus 1.5 seconds and the standard deviation shall be no greater than 0.8 seconds. a period of 24 hours minimum, the delay assembly shall be flight tested at a proving g

13、round (see 4.4.1.2.2). time shall be 20.0 seconds plus or minus 1.5 seconds and the standard deviation shall be no greater than 0.8 seconds. 3.4.2.2 Minus 65OF - After conditioning at minus 65OF for The average delay 3.5 Pyrotechnic Porosity test. - The pressure recorded at the exit end of the delay

14、 assembly, 80 seconds after application of the nitrogen gas, shall not be greater than i35 P.S.I. above the zero pressure reference. The pressure recorded at the exit ad of the delay assembly, 110 seconds after application of the nitrogen gas, shall be no less than 10 P.S.I. and no greater than 200

15、P.S.I. above the zero pressure reference. The test shall be conducted in accordance with 4.4.2. 3.6 Workmanship. - All parts and assemblies shall be fab- ricated and loaded in a thorough workmanlike manner. be free of burrs, sharp edges, cracks, dirt, rust and other foreign matter. to any part nor s

16、hall the parts be contaminated by the cleaning agent. a few light scratches not exposing base material. All required markings shall be neat and sharply defined. 3.7 First Article Inspection. - This specification makes provisions for first article inspection. Requirements for the submission of first

17、article samples by the contractor shall be They shall The cleaning method used shall not be injurious Exterior surface coatings shall be continuous except for as specified in 3.8 Crimp of withstanding in 4.3.3.5. the contract. strength. - The washer crimp shall be capable a 500 pound minimym load wh

18、en tested as specified 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-bO458 13 m 9999906 0338652 6 I MIL-C-60458 (MU) 4. QUALITY ASSURANCE PROVISIONS 4.1 General quality assurance provisions.-Unless otherwise specified in the contract or pu

19、rchase order,the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the supplier may utilize his own facilities or any commercial laboratory accept- able to the Government. The Government reserves the right to perform any of

20、 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 Standard MIL-STD-109 in order to define terms used herein. The provisions of Specification MIL-A-2550 shall apply

21、. Submission 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.

22、 A statement that the lot complies with all of the quality assurance provisions specified within this specification. b. c. Results obtained, by defect code, for all inspections performed. d. Drawing, specification number and date, together with an identification and date of changes. e. Certificates

23、of conformance on all material purchased by the contractor when such material is controlled by Government or commercial specifications referenced in any of the contractual documents. The certificate shall be signed by a responsible agent of the certifying organization. The initial certificate submit

24、ted shall be substantiated by evidence of the agents authority to bind his principal. Substantiation of the agent s authority will not be required with subsequent certificates unless, during the course of the contract, this authority is vested in another agent of the certifying organization. 4.1.2 G

25、overnment verification.-Using the contractors written quality assurance procedure, this detailed specification, the applicable drawings and other contractual documents as a guide, the Government inspector shall verify at unscheduled intervals, all quality assurance operations performed by the contra

26、ctor. 4 4.1.1 Number of units of product inspected. f. Number of items in the lot. g. Date submitted. Verification will be performed to the extent Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-bo458 13 m 7797706 0338653 m MIGC-60458 (MU) nece

27、ssary to assure compliance with the contractual requirements. Severity of Government inspection of individual characteristics will be directly related to the seriousness of the classification assigned. In no instance will a characteristic classified “critical“ be accepted solely on the basis of the

28、contractorts records 4.2 First Article Inspection 4.2.1 Submission. - The contractor shall submit a first article sample as designated by the contracting officer for evaluation in accordance with the provisions of 4.2.2. The first article sample shall consist of 10 delay housingsrziiich have been pr

29、oduced by the contractor or furnished by a supplier and which have been manufactured using the same production processes, procedures, and equipment which will be used in ful- filling the contract and packing, shall be obtained from the same source of supply as will be used in regular production. con

30、tractor shall inspect the sample to the degree necessary to assure that it conforms to the requirements of the contract and submit a record of this inspection with the sample, including statements of findings/certificates of conformancd for materials, (see 4.1.1.1.e). submitted unless specifically a

31、uthorized by the contracting officer. A first article sample or portion thereof, as directed by the contracting officer, shall also be submitted whenever there is a lapse in production for a period in excess of 90 days or whenever a change occurs in manufacturing process, materialtsed, drawing or sp

32、ecification such as to significantly affect product uniformity as determined by the Government. 4.2.2 Inspection to be performed. - Components will be subjected by the Government to any or all of the examinations or tests specified in 4.3.2 of this specification and any or all requirements of the ap

33、plicable drawings. 4.2.3 Rejection. - If any delay housing fails to comply with any or all of the applicable requirements, the first article sample shall be rejected. The Government reserves the right to terminate its inspection upon any failure of an assembly orcom- ponent in the sample to comply w

34、ith any of the stated requirements. In the event of rejection the Government reserves the right to require the contractor to take corrective action and submit a new first article sample or portion thereof. Until a first article sample is accepted the contractor is, in no way, authorized bythe Govern

35、ment to initiate regular production unless otherwise directed by the contracting officer. All parts and materials, including packaging Prior to submission, the A sample containing known defects willmt be 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-

36、,-,- - HIL-C-bLI58 13 9777906 0338654 T m MIL-C-60458 (MU) 4.3 inspection Provisions 4.3.1 Lot formation. - The term lot“ as used throughout this specification refers to an inspection lot, which is defined as an essentially homogeneous collection of units of product from which a representative sampl

37、e is drawn and inspected to determine conformance of the lot with applicable requirements. The sample selected shall represent only that quantityof units from which the sample was drawn and shall not be construed to represent any prior or s;ubsequent quantities presented for inspection. Homogeneity

38、shall be considered to exist provided the lot has been produced by one manufacturer, in one unchanged process using the same materials and methods, in accordance with the same drawings, same drawings revisions, same specifications and same specification revisions. specification, or drawings, not aff

39、ecting safety, performance, interchangeability, or storage, as determined by the Governmnet, shall not be deemed to alter the homogeneity of the lot. In- spection lots shall comply with MIL-STD-105. Unless otherwise approved by the contracting officer, the inspection lot size of end items deliverabl

40、e under the contract shall be not less than the smallest weekly estimate of quantities contractually scheduled for production during the contract period nor more thanthe largest monthly quantity contractually scheduled for delivery during the contract period. Inspection lots of components or subasse

41、mblies, other than the items of delivery, shall be homogeneous and of a size mutually convenient to both the contractor and the Government inspector. Lot numbering, as required, shall be in accordance with MIGSTD-1168. Each lot of loaded delay assemblies shall contain: manufacturer. Changes to the p

42、rocess, a. Intert parts from one interfix lot number from one b. Flash composition from not more than one lot. c. Delay composition from not more than one lot. C. Igniter composition from not more than one lot. 4.3.2 Examination. - Sampling plans and procedures for the following classifications of d

43、efects shall be in accordance with Standard MIL-STD-105 except that inspection for critical defects, when listed, shall be 100 percent. Continuous sampling plans in accordance with Standard MIL-STD-1235 maybe used if approved by the procuring activity. activity, AQLs and sampling plans may be applie

44、d to the in- dividual characteristics listed using and AQL of 0.40 percent for each major defect and an AQL of 0.65 percent for each minor defect. Once agreement has been reached as to which method will be used (group or individual) that method will be used for all classification of defects listed i

45、n this specification. Equipment necessary for the performance of the inspections listed shall be in accordance with 4.3.4. Also, at the option of the procuring 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-60458 (MU) 4.3.2.1. Housing (see d

46、wg. 9212404 covering a detail of dwg. 9212402). Cat ego ries Defects Critical: None defined. Method of Code No. Inspection Ma j or : 101. 102. 103. 104. 105. 106. 107. 108. Minor: 201. 202. 203. 204. 205. 206. 207. 208. 209. 210. 211. 212. 213. 214. 215. 217. 218. 219. 216. AQL 1.00 percent Pitch di

47、ameter. . Gage Diameter of grooves near end surfaces . Gage Diameter of two holes . Gage Diameter of counterbore . Gage Width of middle groove Gage Depth of two holes Gage Effective thread length minimum Gage Outside diameter Gage AQL 6.5 percent Concentricity of thread. Gage Overall length Gage Per

48、pendicularity of end surface containing counterbore. . Gage Distance end surface to middle groove Gage Major diameter of thread Gage True position of two holes. . Gage Depth of counterbore . . . . . . . . . .Gage Concentricity of counterbore Gage Width of grooves nearest end surfaces. . Gage Distanc

49、e end surface containing counterbore to O ring groove . .Gage Chamfer on thread missing . Visual Knurl in middle grooves missing.Visua1 Surface finish of grooves near- est end surfaces improper . Visual Surface finish of outside diameter improper . Visual Chamfer on end surface missing. .Visual Concentricity of O ring grooves.Gage Protective finish damaged or incomplete Visual Marking missing or illegible . .Visual Distance end surface to thread sh