1、r.- _ . - - MIL-C-23935.A 13 9999906 0303950 4 - T- -. - 3: * h - MIIJTARY SFEXIFICATION CARTRIDGE, IMlffizsE, MAFtK 47 MOD O ?his specification has been approved by the Naval Air Systems Command, Department of the Navy. 1. SCOPE 1.1 This document governs the mufacture, assembly and preparation for
2、delivery of the Cartridge, Impulse, MARK 47 WD O and the methods of inspct5on and tests upon which product acceptance will be based. 2. APPI3cABLEmms 2.1 The following specifications, standards, drawings, and publi- cations, of the issue in effect on date of invitation for bids, form a part of this
3、document to the extent specified herein. SFJEIFICATIONS Miiitarx MIL-P- 1m-p-223 MIL-13.21625 Preservation, Methods of Powder, Black Design and Gvaluation of Cartridges for Cartridge Actuated Devices STANDARDS Military MJX-STD -10 5 Frimers, Percussion, Styphnate and Chlorate, for Small Arms Amuniti
4、on Sam for ling Procedures and Tables Inspection by Attributes THIS DgCWNT CONTAWS .u PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.- _ I*. y- -.:*. mWINGS AND LiSGCIATED UXS Naval Air Systems Command ZD 534539 (Formerly Code Ident 10001) L
5、T) 5990 Formerly Code Ident 10001) 19 534541 (Formerly Code Ident 10001) DL 2519772 (Formerly Code Ident 10001) 2164746 (Formerly Code dent 10001) 21718d-k (Formerly Code Ident 10001) Marking for Shipment and Storage Sampling ?rocedures and Tables for Inspection by Variables for Percent Defectiva U,
6、 S. Army Munitions Command c7f545339 PUBLICATIONS Bureau of Naval Weawns OP-3 wR43 (Code Ident 30003) Cartridge, Impulse, MARK 47 MOD O Container, Inner, For Cartridge, Impulse, MAEK 47 Type Container, Outer, for Cartridge, Impulse, PIARK 47 Typ Test Set, for MX 47 MOD O Impulse Cartrige Cartridge,
7、Impulse, Wic 47 MOD O, Assembly Loaded Head and Primer Assembly (Code Ident 19200) Primer, Percussion (50x-5061W) (Code Ident 10001) Ammunition Ashore (This publication is not furnished to bidders and con- tractors by the procuring activity. Contractors should contact the Govern- ment Inspector for
8、use of this publication. ) Preparation of Quality Assurance Provisions (Copies of specifications, standards, drawings and publications required by contractors in connection with specific procurement functions should be obtained fromthe procuring activity or as directed by the contracting officer. )
9、2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_. -, 5 .I. MIL-C-23935A 13 49979Ob 0303952 m 2.2 Other publications. The following document forms a part of this specification, of invitation for bids shall applyu Unless otherwise indioated, the iss
10、ue in effect on date CODE OF FEDERAL REGULATIONS 49 CFF 171-178 Transportation, Explosives and Other Dangerous Articles (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, D. C, 20402. for the above piblication should request the la
11、test edition and supplements thereto.) Orders 3. REQUIREMENTS 3.1 General. 3.1.1 The MARK 47 MD O impulse cartridge covered by this specifi- cation shall be manufactured in accordance with the drawings listed on 534539. 3.2 Materials. All materials used in the manufacture of the car- tridges shall c
12、onform strictly with the specifications referenced on the respective NAVAIR drawings unless specific approval in writing covering a departure therefrom has been obtained fromthe Navy cognizant field activity for cartridges prior to manufacture. When alternate materials or methods of cartridge manufa
13、cture are specified on the drawings, the bidders selections shall be clearly stated in the proposal. curing activity, a pmproduction sample of 70 MARK 47 MOD O impulse cartridges shall be manufactured using the same methods and procedures proposed for the production lot. The sample shall be tested a
14、s specified in 4.3.2 and is for the purpose of determining that the contractor, prior to starting production, is capable of producing items which comply with the technhal raquirements of the contract. primer and each of the smokeless powder propellants in the propellant charge are defined as primary
15、 components. 3.2.1 Preproduction sample. Unless otherwise specified by the pro- 3.3 himaw components. For the purpases of this specification, the See 4.3.3. 3.4 Primer. The primers shall be furnished from lots manufacture within the preceding 12 months, The primers shall be manufactured in accordanc
16、e with Drawing C7645339, loaded with Remington Arms Compsny priming mixture j061W; and shall be from lots which were accepted in accordance with MIL-f-46610, Class 1. See 4.7.1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-2373CA 13 W 777770
17、6 0303753 T = s. 3.4.1 X-ray. Primers shall be free of the following defects when examined by x-ray in accordance with 4.7.2: charge; charge broken, cracked or porous: cracked or off-center anvil or other ndsplaced or deformed inert partst anvil abnormally close to printer CUP dome; and all other ob
18、servable defects in assembly, missing or abnormally thin 3.5 fiopeileat and ignition charges. 3.5.1 Quantitg, All propellant charges and ignition charges shall Charges be as specified on Drawings 2164746 and 217184, respectively. shall be determined by weight rather than by volume measurements. 3.5.
19、2 Black powder. be witbin the limits specified in BEL-P-223 for the applicable class of black powder being used. The moisture content of the black powder shall See 4.7.3. 3.5.3 Smokeless powder, handling and loading, Do not subject the smikeless powder to unnecessary handing or exposure to the atmos
20、phere. The handllng and loading of smokeless powder exposed to the atmosphere shall be performed only under conditions that do not permit the relative humidity to exceed 75 percent. 3.5.4 Smokeless powder, condition. The smokeless powder utilieed shall exhibit no evidence of decomposition. See 4.7.4
21、. 3.6 CartridRe inspection. 3.6.1 Visual inspection. Cartridges shall be free of the foliowing visible defects: dents, deep scratches, cr8cks, burrs, split or cracked Up in the crimped area, amaged “O“ ring or closure disc, incomplete or improper sealant application, or any other imperfections which
22、 could prevent entry into the firing chamber, or adversely affect performance or resistance to moisture. See 4.7.5. 3.6.2 Leakage. Cartridge leakage rate shall not exceed 10-5 cc of air or gas per second when tested in accordance with 4,7.6. by x-ray in accordance wii;h 4.7.7. 3.6.3 X-ray. Cartridge
23、s shall be free of imperfections when examined 3.7 Ballistic recwirefients. Cartridges from each production lot, selected in accordance with 4.7.8.1, shall meet the requirements listed below when subjected to th test prescribed in 4.7.0.1. 3.7.1 Chamber pressure. The lower (L) limit of maximum chamb
24、er pressure shall be 6250 psi. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.7.2 Time to maximum pressum. The upper (U) and lower (I,) imts of time from actuation of the firing mechanism to maximm chamber pressure shall be 0,555 and 0.350 secon
25、d, respectively. 3.7.3 Misfire, There shall be no misfires. See 4.7.9.3. 3.7.4 Hangfire. There shall be no hangfires. See 4.7.9.a. 3.8 Change in propellant lot. Whenever a change occurs in propel- lant lot for either of the smokeless powder propeIlarrts in the propliant charge, tesl; firings shall b
26、e conducted in accordance with 4,iO. 3.9 Packaging, pa cking and marking, The packaging and packing of cartridges and the container markings shall be in accordance with Section 5, %e 4.6.1. 3.10 Workmanshlp. Cartridges shall be constructed and finished in a manner to assure compliance with all requi
27、rements of this specification. Particular attention shall be directed to diiirwnsions, finishes and coatings. 4, QUALITY ASSURANCE HIOVISSONS 4.1 Responsibility for inspection. Unless otherwise specified in tha contract or purchase ordep., the supplier is responsible for the per- formance of all ins
28、pection requirements as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspec- tion requirements specified herein, unless disapproved by the Government. The Government reserves the rig
29、ht 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 Samplinq, Unless otherwise specified, and when applicable, the sampling plans and procedures used in the determinati
30、on of the acceptability of products submitted by a supplier shall be in accordance with the provisions of MIL-STD-105 or MTL-TD-414, wbichever applies. 4.3 Lots. 4.3.1 inspection lots, bspection lot definition, formation and sise shall be in accordance with MIL-STD-lO5 or EIL-STD-414, whichever appl
31、le s . 4.3.2 Preproduction sample, Before entering into quantity pro- duction, ar, acceptable preproduction sample of 70 Cartridges shall be Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-23735A 13 W 777770b 0303755 3 - 2 prepared, blow and 10
32、 shall be retained for investigative purposes. A preproduction sample acceptable for environmental and functional testing shall be defined at3 a sample which has met the requirements of paragraphs 3.3 through 3.6.3 of this specification. Preproduction sample acceptance shall consist of the following
33、 tests as prescribed in MILL-D-21625: 15 “g“ shock (6); vibra- tion (6)r temperature and humidity cycling (12). Numbers in parentheses denote the number of cartridges allocated for test. These cartridges, aftor exposure to environmental treatment, shall be conditioned for a minimum of six hours at +
34、TO0 however, one primary com- ponent production lot may be used in more than one cartrige production lot 4.4 Gapes. The contractor shall provide gages as necessaryto insure that the material to which this specification applies will meet the dimensional requirements shown on the applicable drawings.
35、4.5 Classification of characteristics. The characteristics verified by the tests and examinations herein are classified as Critical, Major or Pllinor In accordance with WR43. Tests and examinations that verify crit- ical characteristics are identified by the symbol (C) and major character- istics by
36、 the symbol(M). The number following the classification symbol indicates the serial number of test or examination. which are not annotated with a classification code are classified minor. Testa and examinations 4.6 Quality conformance inspection. Quality conformance inspection shall consist of verif
37、ication of the charsateristics classified on the drawings of LD 534.539, and verification of the following tests and mpirement s . 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-F MIL-C-23735A 13 H 7779706 0303756 5 . Item - primaary component ?ri
38、mer Propellant and ignition charges Biack powder Smokeless powder Cartridge Cartridge Cartridge Cartridge Cartridge cartridge Nature of Requirement Verification Single lot Age, 1oadin.g and acceptance X-ray Type and weight Moisture content Condition Visual inspection Leakage X-ray Ballistic test Bal
39、listics (change in propellant lot ) Packaging, packing and container markings Applicable Paramaphs 3.3, 4.3.3 3.4.1, 4.7.2 3.5.1 3.9, 4.6.1 lc.6.1 Packaging, pa eking and marking. Quality conformance inspection shll be conducted in accordance with the inspection criteria on the applicable drawngs re
40、ferenced in Section 5, 4.7 Tests. 4.7.1 frimer verification. The contractor shall provide verifica- tion that the primers to be used were manufactured, loaded and accepted in accordance with this requirements of 3.4 and were furnished from lots manufcrctnmd within the preceding 12 months. 4.7.2 hime
41、r x-ray. Examine all primers by x-ray and reject those having any of the defects of 3.4.1, the primers shall be laid on their sides wi5h the anvil cutouts verthcal. Pressum sensitive tap may be used as an aid in positioning the primers. For the most revealing exposure, Provided by IHSNot for ResaleN
42、o reproduction or networking permitted without license from IHS-,-,-MIL-C-23735A 13 777770b 0303757 7 - 4.7.3 Moierture content of black powder. Prior to the loading of each production lot end daily prior to loading any cartridges, whether or not for a new production lot, the black powder to be used
43、 shall be tested for moisture content i:n accordance with 4.7.3.i. Additional tests shall be conducted when such tests are considered warranted by variations in conditions= process which could increase the moisture content of the powder. MItP-223 shall cause suspension of loading activities until co
44、rrective measures have been taken. The presence of moisture in excess of the limits specified in 4e3.3.1 Determininlz moisture content. At the site of loading, take fromthe powder container a sample of approxhmtely 2 grams of tbe black powder to be used, place in a tared container and accurately det
45、ermine the net weight of the sample to the nearest 0.1 millipam. for a minimum of 90 minutes at 90 b. whether preproduction inspection is required and, if so, specify the test activity; C. production lot sim and test activity (see 4.3.3); d. items of data required for each preproduction and producti
46、on lot (see 6.3). 6.3 Data. For the information of contractors and aontracting officers, any of the &ta specified in (a) subparagraphs below, (b) applicable docu- ments Usted in Section 2 of this specification or (c) referenced lower- tier docuaients need not be prepared for the Government and shall
47、 not be furnished to the Govermuent unless specified in the contract or order, 6.3.1 Test report. Results of ballistic tests shall be forwarded to ttre Naval Air Systems Command (AIR-53222A) and the procuring activity. 6.3.2 Data cards. The contract or order should state the format, quantity and des
48、tination of data cards. 6.4 Definitions, For purposes of this specification, the follouing definitions apply, 6.4.1 Isvel A packaEing. The degree of preservation and packaging which will afford adequate protection against corrosion, deterioration and physical damage during handling, shipnent, indete
49、rminate storage and world-wide redistribution. 6.4.1,l Level C packaginsl. The degree of preservation and packaging which will afford adequate protection against corrosion, deterioration and physical damage during shipaent from supply source to the first receiving activ5ty for immediate use. commercial practice when such meets the requirements of this level, This level may conform to suppliers 6
