1、MIL-C-22845A (AS) 2- Superseding MIL-C-2284.5 (Wep) 20 February 1961 MILITARY SPECIFICATION CARTRIDGE, DELAY, MARK 35 MOD O This specification has been approved by the Naval Air Systems Command, Department of the Navy, 1, SCOPE 1,l This document governs the manufactureo assembly and preparation for
2、delivery of the MARK 35.MOD O delay cartridge and the methods of inspection and tests upon which product acceptance will be based, 2, APPLICABLE DOCUMENTS 2-1 The following specifications, standards, drawings and publications, of the issue in effect on date of invitation for bids, form a part of thi
3、s document to the extent specified herein, SPECIFICATIONS Military MIL-D-21625 MIL-M-21383 MIL-P-20444 MIL-P-116 Design and Evaluation of Cartridges for Cartridge Actuated Devices Manganese Delay Composftion Primer, Percussion, M42, Loading, Assembling and Packing Preservation, Methods of MIL-P-2226
4、4 Powders, Ignition, Gasless r- -. THIS DOCUMENT CONTAINS 19 PAGES. -* Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-22845A 13 m 7779706 03027Lt 4 m MIL-C-2 2845A (AS ) STANDARDS Military MIL-STD-105 MIL-STD-129 DRAWINGS Bureau of Naval Weapo
5、ns LD 419707 LD 537899 LD 537900 Ordnance Corps of the Amy Ordnance Dwg, 8799925 PUBLICATIONS BUSANDA Instruction 4030,17 Bureau of Naval Weapons OP 5 WR-43 Sampling Procedures and Tables for Inspection by Attributes Marking for Shipment and Storage Cartridge, Delay, MARK 35 MOD Op List of Drawings
6、and Specifications Container, Inner, for Cartridges, Power Source, List of Drawings and Specifications Container, Outer, for Cartridges, Power Sourceo List of Drawings and Specifications Priqer, Percussion, M42, Assembly Preservation, Packaging, Packing and Marking; Navy Policy for Ammunition Ashore
7、 (This publication is not furnished to bidders and contractors by the procuring activity, Contractors should contact the Government inspector for use of the publication,) Preparation of Quality Assurance Provisions 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without licens
8、e from IHS-,-,-(Copies of specifications, standards, drawings, and publications required by contractors in cannsctig.n with specific procurement functions should be obtainex3 fmn the procuring activity or as directed by the Contracting BB%icer.) . 2,2 Other publications. The following document forms
9、 a part of this specification, Unless otherwise indicated, the issue in effect on ate of invitation for bids shall apply, CODE OF FEDERAL REGULATIONS 49 CFR 71-78 Transportat-ion, Interstate Commerce Commission, Explosives and Other Dangerous Articles (Application for copies should be addressed to t
10、he Superintendent of Documents, Government Printing Office, Washington, Do Co 20402, Orders on the above publication should cite the latest edition and supplements thereto,) 3, REQUIREMENTS 3,l General. 3,101 The MARK 35 MOD O delay cartridge covered by this document shall be manufactured in accorda
11、nce with LD 419707 and all documents listed thereon, 3,2 Material, All materials used in the manufacture of the delay Cartridges shall conform strictly with the specification referred to on the respective Bureau of Naval Weapons drawings unless specific approval in writing covering a departure there
12、from has been obtained from the Navy design activity prior to manufacture, materials or methods of manufacture are specified on the drawings, the bidders selections shall be clearly stated in the proposal, When alternate 3,2,1 Preproduction sample, Unless otherwise specified by the . procuring activ
13、ity, a preproduction sample of 76 MARK 35 MOD O delay cartridges shall be manufactured using the same methods and procedures proposed for the production lot, tested as specified in 4,3,2 and is for the purpose of determining that the contractorb prior to starting production, is capable of manufactur
14、ing items which comply with the technical requirements of the contract, The sample will be 3 . . _ -_ .- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3,s Primary components, For the purpose of this specification the percussion primer, the main pro
15、pellant charge, the gasless ignition powder and the manganese delay composition are defined as primary components, See 4,3,3, 3,4 Primer, delay cartridge shall be manufactured in accordance with Army Ordnance Drawing 8799925, loaded with Remington Arms primer mixture styphnate composition No, 50860
16、and accepted in accordance with the requirements of MIL-P-20444, The primers shall be from lots manufactured within a year past, See 407010 The M42 percussion primer used in the MARK 35 MOD O 3,4,1 Primer X-ray, All primers shall be X-rayed and screened for defects as prescribed in 4,7,2, 3,5 Mangan
17、ese delay composition, The manganese delay composition shall be accepted in accordance with requirements of MIL-M-21383 and loaded into.the cartridge as specified on Bureau of Naval Weapons Drawing 2230818 of LD 419707, 3,6 Gasless ignition powder, The A-IA gasless ignition powder shall be accepted
18、in accordance with the provisions of MIL-P-22264 and loaded into the cartridge as specified on Bureau of Naval Weapons Drawing 2230818 of LD 419707, 3,7 Propellant charge, 3,7,1 Quantitp Al propellant: and booster charges shall be as specified on Bureau of Naval Weapons Drawing 2164483 of LD 419707,
19、 Charges shall be determined by weight rather than by volume measurements, 3,7,2 Smokeless powdero handling and loading, Do not: subject the smokeless powder to unnecessary handling or exposure to the atmosphere, to the atmosphere shall be performed only under conditions that do not permit the relat
20、ive humidity to exceed 75 percent, The handling and loading of smokeless powder exposed 3,7,3 Smokeless powder condition, The smokeless powder utilized shall exhibit no evidence of decomposition, See 4,7,3, 3,7,4 Change of propellant lot, Whenever a change occurs in the propellant lot for the main c
21、harge, a new charge determination shall be made by performing the test prescribed in 4,90 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3,8 Cartridge inspection, 3,8.1 Visual inspection, The complete cartridge shall be free of visible defects not
22、ed in 4,7,4. 3-8+2 Leakage, There shall be no leakage of air in the completed cartridge, See 4,7,5, 3,8,3 X-ray, All cartridges manufactured under contract shall pass X-ray examination of 4,7,6, 3,9 Ballistic requirements, Cartridges from each production lot, selected in accordance with 4,7,7,1, sha
23、ll meet the requirements listed below when subjected to the test prescribed in 4,7070 3,9,1 Delay time, The Upper (U) and Lower (L) limits of delay time shall be U = 0.750 second and L = 0,500 second, See 4,7,7,2,1, 3,902 Maximum pressure, The Lower (L) limit of maximum pressure shall be 750 psi for
24、 a minimum of 0,020 second at Points A and B of Figure 1. See 4,7,7,2,2, 3.9,3 Misfire, There shall be no misfires, See 40707030 3,lO Workmanship, Cartridges shall be constructed and finished in a manner to assure compliance with all requirements of this specification, finishes and coatings, Particu
25、lar attention should be directed to dimensions, 4, QUALITY ASSURANCE PROVISIONS 4-1 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, the supplier may utiliz
26、e his own facilities or any commercial laboratory acceptable to the Government, The Government 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, 4,2 Sampl
27、ing, Unless otherwise specified, and when applicable, the sampling plans and procedures used in the determination of the acceptability of products submitted by a supplier shall he in accordance with Table I, General Inspection Level II of MIL-STD-105, Unless otherwise specified in the contract, orde
28、r or requisition, all samples for test purposes shall be provided at the expense of the contractor, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4,3,1 Inspection lots, Inspection lot definition, formation and size shall be in accordance with MIL-S
29、TD-105, 4,3,2 Preproduction sample, Before entering into quantity production, an acceptable preproduction sample of 76 MARK 35 MOD O delay cartridges shall be prepared, Of these cartridges, 66 shall be expended in the tests listed below and ten shall be retained for investigative purposes, A preprod
30、uction sample acceptable for environmental and ballistic testing shall be defined as a sample which has met the requirements of paragraphs 3,l through 3,8 of this specification, The contractor shall delfver-the delay cartridges to the activity designated by the contracting agency for test, environme
31、ntal tests to be performed on the preproduction sample and the number of delay cartridges required for each test are8 shock (6) vibration (6) 14 days temperature and humidity cycling (18) o These cartridges, subsequent to exposure to the environmental tests described in MIL-D-21625, are to be condit
32、ioned for a minimum of 6 hours at +70F + 5F together with 12 new-cartridges that received no previous envirnmental conditioning and fired in accordance with 4,7,7,1, In addition, 12 delay cartridges each shall be conditioned for 12 hours at -65OF + 5F and +160F + 5OF and fired as prescribed in 4,7 o
33、 7 1 to check teFperature sensitivity, tion sample shall be as specified in 3,9, prior to notification by the contracting agency of preprouction sample acceptability shall be at the contractores risk, cartridges will not be applied as part of the quantity specified for delivery by the contract, The
34、15 g“ Acceptance of preproduc- Any quantity prduction The preproduction 4,3,3 Production lot, The suggested production lot size is 151 minimum and 500 maximum delay cartridges, for all test purposes shall be selected from the production lot and will not be applied as a part of the quantity specified
35、 for delivery by the contract, Only primary components from a single lot shall be used in a production lot of cartridges, production lot may be used in more than one cartridge production lot, Cartridges selected for the ballistic test shall be delivered to the activity designated by the contracting
36、agency, Cartridges required One prhnary component 4,4 Gages, The contractor shall provide himself with gages as necessary to insure that the material to which this specification applies will meet the dimensional requirements shown on the applicable drawings o I 6 Provided by IHSNot for ResaleNo repr
37、oduction or networking permitted without license from IHS-,-,-4.5 classification of characteristics. The characteristics verified by the tests and examinations herein are classified as Critical, Major or Minor in accordance with WR-43,. Tests and examinations that verify critical characteristics are
38、 identified by the symbol (Cl and major characteristics by the symbol (MIo symbol indicates the serial number of test or examination, examinations which are not annotated with a classification code are classified minor. The number following the classification Tests and 4,6 Quality conformance inspec
39、tion, Quality conformance ispectian shall consist of verification of the characteristics classified on the drawings of LD 419707, and the following tests and. examinations, Item - Primary Component Primer Primer Delay Composition Ignition Powder Propellant and Smokeless Powder Cartridge Booster Char
40、ges Cartridge Cartridge Cartridge Cartridge Nature of Test Single lot verification Age, loading and acceptance verification X-ray Acceptance and 1 oad ing verification Acceptance and loading verification Type and weight verification Condi tion Ballistics (change Visual inspection Leakage X-ray Balli
41、stics in propellant lot) Require- ment 30401 305 306 3.701 3,8,1 3,8,2 3,8,3 3 e9 4.6.1 3. (M103) The inspector shall ascertain that the packing and packaging of the cartridges and the container markings conform to Section 5 of this document, 4.7 Tests, - 7 4 Provided by IHSNot for ResaleNo reproduc
42、tion or networking permitted without license from IHS-,-,-Y 4,7,1 Primer verification, Verification shall be obtained that the primers to be used were manufactured within a year past, and were furnished from lots certified by the supplier to have been loaded as specified in 3,4 and accepted in accor
43、dance with the provisions of MIL-P-20444, 4,7,2 Primer X-ray, Primers should be mounted in suitable grooved racks, on their side with the anvil cutouts vertical, may be used as an aid in positioning the primers, questionable from any standpoint, especially for: cracked or off- center anvils: anvil a
44、bnormally close to primer cap dome; charge missing or abnormally thing charge broken, cracked or porous, For the most revealing exposure, the primers are laid Pressure-sensitive tape Reject any that are 4,7,3 Smokeless powder condition, Smokeless powder shall be inspected in accordance with the appl
45、icable portions of paragraphs 1308-1318 and 1322 of OP 5, for rejection , Evidence of decomposition shall be cause 4,7,4 Cartridge inspection, Examine all cartridges and reject fora dents, deep scratcheso split or cracked edges, chipping or flaking of the anodized finish, sharp edges, primer not pro
46、perly crimped in place or other defects which may conceivably prevent entry into the firing chamber or affect the stability or resistance to moisture, 4,7,5 Leakage, Each cartridge in the preproduction sample and ballistic sample will be leak tested in a dry gas leak tester, Cartridges which exhibit
47、 a leak rate in excess of cc/sec of air at a pressure differential of 1,O atmosphere 2 0,l atmosphere shall be considered defective, If one or more cartridges of the ballistic sample leak, then a leak test of each cartridge of the lot being tested shall be required, If a 100 percent leak test of the
48、 lot is required, it shall be at the expense of the contractor, Cartridges which exhibit a Peak rate in excess of that specified above shall be rejected, 4,7,6 Examine all cartridges by X-ray and any observable imperfections in assembly shall be cause for rejection, X-ray plates may be destroyed aft
49、er ballistic acceptance of cartridges, 4,7,7 Ballistic tests, - 4,7,7,1 The number of MARK 35 MOD O delay cartridges selected from each production lot for the ballistic tests shall be in accordance with the requirements of Table I, Inspection Level II of MIL-STD-PO5, . .y 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-An additional ten Cartridges shall
