1、, MIL-C-98070 13 W 977990b 0315483 2 - f MIL-(2-48 07 O (MU) 9 May 1972 MILITARY SPECIFICATION CASE, CARTRIDGE ASSEMBLY, 40MM, M169, INERT METAL PARTS FOR 1. SCOPE 1.1 This specification covers the rneta parts for one type of case cartridge designated as Case Cartridge Assembly, 40MM, M169, Inert. 2
2、. APPLICABLE DOCUMENTS 2.1 The following ocuments of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein: SPECIFICATIONS MIL I TARY MIL-A-2550 - Ammunition and Special Weapons, General Spec if icat ion for MIL-A
3、-8625 - Anodic Coatings, for Aluminum and Aluminum Alloys MIL-1-45607 - Inspection hquipment, Acquisition, Maintenance and Disposition of STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes Quality Assurance Terms ana Definitions (ABC-STD-105) MIL-STD-109 - M
4、IL-STD-1168- Lot Numbering of Ammunition FSC: 1310 P Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-48 07 O (MU) MIL-STD-1169- Packaging, Packing and Marking for Shipment of Inert Ammunition Components MIL-STD-1235- Single and Multilevel Conti
5、nuous Sanpling Proceciures and Tabies for Inspection by Attributes DRAWINGS U.S. Army Munitions Command 9275800 - Case CartridgeAssembly, 40MM, M69, Inert PUBLICATIONS ARMY ET-9275800 - Equipment Tabulation (Copies of specifications, standards, drawings ana publications re- quired by suppliers in co
6、nnection with specific procurement functions should be obtained from the procuring activity or as directed by the Contracting Officer.) of this specification to the extent specifiea nerein. Unless otner- wise indicated, the issue in effect on the date of invitation for bids or request for proposal s
7、hall apply. 2.2 Other publications.- The following documents form a part AlmRICAN SOCIETY FOR TESTING AND MATERIALS ASTM B 117-64 - Standard Method of Salt Spray (Fog) Testing ASTM E 18-67 - Standard Methods of Test for Rockwell Hardness and Rockwell Superficial hard- ness of Metallic Materials ASTM
8、 E 8-69 - Tension Testing of Metallic Materials (Application for copies should be addressea to: for Testing and Materials, 1916 Race Street, Philadelphia, Pa. 19103) American Society 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-48070 33 97
9、979Ob 0335785 b MIL-C-48070 (MU) 3. REQUIFUSMENTS 3.1 Material.- Materials shall be in accordance with the applicable drawings and specifications. specified on Drawing (Dwg.) 9275764, all associated drawings, and with all requirements specif ied in applicable specifications. 3.2 Parts.- The parts sh
10、all comply with all requirements 3.3 Coating thickness. The thickness of the anodic coating shall be a minimum of .3 mils (.O03 inches). 3.4 Hardness.- The hardness of the area. ner the mouth ana on the bse of the cartridge case shall be 67 - -k 7 on the Rockwell 30 T Scale. 3.5 Workmanship.- All pa
11、rts and assemblies shail be fabricatea and finished in a thorough, workmnlike manner. They shll be free of burrs, chips, sharp edges, cracks, unblende radii, surface aefects, dirt, grease, rust, corrosion products ana other foreign matter. The cleaning method used shall not be injurious to any parts
12、, nor shall the parts be contaminated by the cleaning agents. All marking and stamping shll be neat and sharply defined. 3.6 Submission of results of contractor-conducted examinations and tests.- The contractor shall forward copies of the results of any of his examinations cx tests to the designated
13、 address as requirea - by the contract (see 6.4). 3.7 First article testing.-This specification makes provisions for first article testing. Submission of first article quantity by the contractor shall be as specified in the contract. 4. QUALITY ASSURANCE: PROVISIONS 4,l Responsibility for inspection
14、.- 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 order, the supplier may use his own or any other faciiities suitable for the performan
15、ce of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemea necessary to assure supplies and services conform to prescribed requirements.
16、 Reference 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-48070 13 9999906 0335986 MIL-C-48070 (MU) shall be made to MIL-STD-109 to define terms used herein. The provisions of MIL-A-2550 shall apply, lot of items deliverable under the contra
17、ct 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: 4.1.1 Submission of product.- At the time the completed a. assura
18、nce provisions specified in this speification. b. Drawing and specification number and date, together with identification and date of changes thereto. c. A statement that all material purchased by the contractor meets requirements, when such material is controlled by Government or commercial specifi
19、cations referenced in any of the contractual documents, and that certificates of conformance are on file and available for review. A statement that the lot complies with all the quality d. Number of items in the lot. e. Date submitted. The certificate shall be signed by a responsible agent of the ce
20、rtifying organization. The initial certificate. submitted shall be substantiated by evidence of the agents authority to bind his principal. be required with subsequent certificates unless, during the course of the contract, this authority is vested in another agent of the certifying organization. Su
21、bstantiation of the agents authority will not 4.2 First article inspection. 4.2.1 Submission. The contractor shall submit a first article quantity as designated by the Contracting Officer for evalLation in accordance with the provisions of 4.2.2. (See 6.1) The first article sample shall consist of t
22、he following: a. Fifty (50) cartridge cases (5 for salt spray). b. Twenty (20) base plugs (5 for salt spray). C. Six (6) test specimens of cartridge case for d Twenty (20) case cartridge assemblies, tensile properties, All parts and completed assemblies submitted shall have been produced by the cont
23、ractor (or furnished by a supplier) using the same production processes, procedures and equipment as will be used in fulfilling the contract. All parts and materials, 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I - MIL-C-48070 13 7999906 031578
24、7 T MIL-C-48 07 O (MU) including packaging and packing, shall be obtined from the same sources of supply as will be usea in regular prouuction. The sample shall be accompanied by certificates of Conformance. A first article quantity, or portion thereof, as directed by the Coritxacting Officer, shall
25、 also be ir1 excess of 90 Clays, or whenever a chnge occurs in manufacturing process (incuding heat treatment procedures and equipment), material usea, drawing specification or source of supply as to significantly affect product uniformity as Getermined by the Government. Prior to submission, the co
26、ntractor 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. A sample containing known defects will not be submitted unless specifically authorized by the Contracting Officer. 4.2.2 In
27、spection to be performed.- All parts and assemblies shdl be subjected by the Government to any or ali the examinations or tests specified ir1 this specification and any or all requirements of the applicable drawings. 4.2.3 Rejection.- If any part or assembly fails to comply with any of tile applicab
28、le requirements, the first article quantity shall be rejected. The Government reserves the right to termimte its inspection upon any failure of a part or assembiy in the sample to comply with any of the stated requirements. tion, the Government reserves the right to require the contractor to take co
29、rrective action and submit a new first article quantity or portion thereof. Until a first article quantity is acceptea, the contractor is in no way authorized by the Government to resume In the event of rejec- regular production unless otherwise directed by tne Contracting Officer 4.3 Inspection pro
30、visions. th of 4.3.1 Lot formation.- The term “inspection lot“ as used in is specification is defined as an essentially homogeneous collection units of product from which a representative sample is rawri and inspected to determine conformance with applicable requirements. Trie sample selected shall
31、represent only that quantity of units from which the sample was drawn and shdl not be construed to represent any prior or subsequent quantities preserite for inspection. geneity shll be considered to exist provided the inspection lot hs been produced by one manufacturer, in one unchange& process, in
32、 accordance with the same drawing, sme drawing revision, same specifi- cation arid the same specification revision, and complies with the provisions for subniission of product as specifieu in MIL-STD-105, flomo- 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
33、rom IHS-,-,- MIL-C-48070 13 9979906 0315988 1 MIL-(2-48070 (MU) Changes to process, specification, or drawing not affecting safety, performance, interchangeability, or storage, as determined by the Government shall not be deemed to alter the homogeneity of an inspection lot. All material submitted f
34、or inspection in accordance with this specification shall comply with the homogeneity criteria specifieu herein regardless of the type of sampling procedure which is being applied to determine conforrilance with requirements. Lot numbering, as required, shall be in accordance with MIL-STD-1168. 4.3.
35、2 Examination.- The examinations listed in the following subparagraphs shall be perfornied on inspection lots (See 4.3.1) of the components or assemblies designated in the applicable paragraph headings. Inspection for critical aefects (and major defects, when so specified) shall be 100 percent. Samp
36、ling plans for major and minor defects shall be in accordance with MIL-STD-105 except that continuous sampling plans in accordance with MIL-STD-1235 may be used if approved by the Government. of applying the AQLs designated herein to the groups of major and minor defects listed, the contractor may e
37、lect to apply AQLs to individual defects using an AQL of 0.40 percent for each major defect arid an AQL of 0.65 percent for each minor defect. When ths method is elected, it shall be applie to al1 of the major and minor defects listed in the applicable Subparagraph of this section, except where 100
38、percent inspection is specified, and be documented as part of the contractors inspection system. necessary for the performance of the inspections listed shall be in accordance with 4.3.4. Instead Equipment 4.3.2.1 Base plug (See Dwg. 88863321.- Categories Defects Critical: None Defined. Method of Co
39、de No. Inspection (See 6.2) Ma or : AQL 1.50 Percent 101. 102. Concentricity of smallest 103. Concentricity of primer cavity 104. 105. Largest outside diameter Gage outside diameter with largest outside diameter Gage diameter with largest outside diameter G age Smallest outside diameter . Gage Diame
40、ter of primer cavity . Gage O1001 01002 01003 01004 01005 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-VIL-C-48070 13 3379906 0315989 3 m- Categories 106. 107 . 108 . 109. 110. 111 . 112 . 113 . Minor : 201. 202. 203. 204 . 205. Defects MIL-C-48
41、 07 O Method of Inspect ion Depth of primer cavity . Gage Diameter of flash hole.Gage Length below shoulderGage Radius at intersection of primer cavity missingVisual Length from primer end to bottom of shoulder . Gage Length between shoulders, excluding rear angle.Gage Location of small datum diamet
42、er . Gage Location of large datum diameter . Gage AQL 2-50 Percent Second largest outside Protective coating with bare spot except anode rack marks.Visua1 Finish improper Visual Evidence of poor workmanship (see 3.5) visual Color incorrectVisual diameter . Gage 4.3.2.2 Case Cartridge (See Dwg. 88863
43、29) Categories Defects Method of Inspection Major: 101 . 102 . 103 . 104 . 105. AQL 2.50 Percent Hardness (See Para. 4.4.1).Test Concentricity of flange diameter with second.largest outside diameter . Gage Concentricity of largest inside diameter open end, with second largest outside diameter . Gage
44、 Concentricity of base plug cavity with second largest outside diameter . Gage Concentricity of propellant charge cavity with base plug cavity. . Gage (MU) Code No . O1006 01007 01008 O1009 O1010 01011 01012 01013 01014 01015 01016 01017 01018 Code No. 02001 02002 02003 02004 02005 7 Provided by IHS
45、Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ MIL-C-48070 13 9799706 0335790 T MIL-(2-48070 (MU) Categories Major: 106. 107 . 108 . 109 . 110. 111 . 112 . 113 . 114 . 115. 116 . 117 . 118 . 119. 120. 121 . 122 . 123 . 124 . i25. 126 . 127 . 128. Defects Method
46、of Coge Inspection No . Diameter of propellant charge cavity, straight portion. . .Gage Diameter of base plug cavity Gage Depth of base plug cavity.Gage Second largest outside diameter (See 6.5) Gage Perpendicularity of open end to second largest out- side diameter ., .Gage Perpendiculrity of base t
47、o second largest outside diameter. . Gage Diameter of flange. . Gage Diameter below flange . Gage Total length Gage Diameter of vent holes. . Gage Largest inside diameter, open end . age Location of large datum diameter, propellant cavity.Gage Location of small datum diameter, propellant cavity.Gage
48、 Thickness through nodeGage Thickness of flange . Gage Depth of sealing lip. . Gage Location of large datum diameter on node. . Gage Finish of vent holes improper Gage Burr in vent hole,Visual One vent hole blocked or missing,Visual Location of vent holesGage Metal defective (see 6.6 an 3.5)Visual M
49、ore than one vent hole blocked or missing Visual 02006 02007 02008 02009 02010 02011 02012 02013 02014 02015 02016 02017 02018 02019 02020 02021 02022 02023 Equip 02024 02025 02026 02027 01028 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-48070 13 7749706 0315773 1 MIL-C-4 8070 (MU) Categories Defects Method of Code Inspect
