1、 i MIL-DTL-0023933C D 9999906 2033943 438 D MIL-DTL-O023 93 3 C(0S) 28 November 1995 SUPERSEDING MIL,-C-23933B(Navy) 23 August 1993 MILITARY SPECIFICATION CARTRIDGE, IMPULSE, MARK 44 MOD O This specification is approved for use by the Naval Sea Systems Command, Department of the Nw, and is available
2、 for use by all Departments and Agencies of the Departmenti of Defense. 1. SCOPE 1.1 Scope!. This specification covers the requirements for the Mark 44 Mod O Impulse Cartridge (see 6.1). 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of th
3、is specification. This section does not include documents cited in other sections of this specification or recommended for additional infonnation or as examples. while every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet aii specified r
4、equirements documents specified in sections 3 and 4 of this specScation, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following Specincations, standards, and handbooks form a part of this document to the extent specified herein. Unless
5、 otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifxations and Standards (DODISS) and supplements thereto, cited in the solicitation (see 6.2). SPECIFICATIONS MILITARY ML-D-2 1625 Design and Evaluation of Caridges for Cartrid
6、ge Actuated Devices Benefichi comments (recommendations, additions, deletions) and any peainent data which may be of use in improving this document should be addressed to: Commander, Indian Head Division, Naval Surface Warfare Cene, Standarhtion Branch (Code 8420), 101 Strauss Avenue, Indian Head, M
7、D 20640-5035, by using the StandardkationDocument Immement Proposai OD Form 1426) appearing at the end of this document or by sending a letter. AMSC NIA FSC 1377 DISTRIBUTION STATEMENT A Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesProvided by IHSN
8、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL4H23933C( OS) STANDARDS MILITARY MIL-STD-414 Sampling Produres and Tables for Inspection by Variables for Percent Defective MIL-STD-453 Inspection, Radiographic MIL-STD-810 Environmental Test Methods and Enginee
9、ring Guidelines MIL-STD-1168 Ammunition Lot Numbering (Unless othemise indicated, copies of federal and military specifications and standards are available fim Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-5094.) 2.2.2 Other Government documents, drawing
10、s, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specifid, the issues are those cited in the solicitation. DRAWINGS Naval Air Systems Command (CAGE Code 30003) DL537925 Cartridge, I
11、mpulse, Mk 44 Mod O 2240764 Body and Bridgewire Assembly 2240772 Cartridge, Impulse, Mk 44 Mod O Assembly 2406487 himer MurNo. 487 838AS102 Powder, Smokeless (Application for copies should be addres- to: commander, Indian Head Division, Naval Sinface Warfare CentCr, Data Control Branch (Code 8410),
12、Indian Head, MD 20640-5035.) 23 Order of precedence. In the event of a conflict between the text of this document and the refixenus cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has
13、been obtained. 3. REQUIREMENTS 3.1 First article. When specied (see 6.2), a sample shall be subjected to first article inspection (see 6.3) in 8ccoTd811ce with 4.2.1. . 3.2 Primary components. For the purposes of this specification, the primer mix (Drawing 2406487) and the propellant charge (Drawing
14、 838AS102) are considered primary components. Only primary components 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-0023933C 999990b 2013945 200 fiom a single lot shall be used in a production lot of cartridges; however, one primary comp
15、onent production lot may be used in more than one cartridge production lot. 3.2.1 Primer mir. The primer mix shall be compounded and loaded in accordance with Drawings 2406487 and 2240772, respectively. 33.2 Propellant charge (smokeless powder). 33.2.1 Condition. There shall be no evidence of decomp
16、osition of the smokeless powder (see 4.3.2.1). 3.2.2.2 Quantity. All propellant charges shall be as specified on Drawing 2240772. Charges shall be determined by weight rather than by volume measurements. 3.233 Handling and loading. The smokeless powder shall be subjected to no unnecessary handling o
17、r exposure to the atmosphere. The handiing and loading of smokeless powder exposed to the atmosphere shal be performed oniy under conditions that do not permit the relative humidity to exceed 75 percent. 33 Cartridge production. The cartridges shall be manufactured in accordance with all documents l
18、isted on DL 537925. Each production cartridge shall meet the requirements of 3.3. 33.1 Inspection resistance. Prior to welding the bridgewires to the pins, the insulation resistance between the metai parts of the assemblies shall be a minimum of 50 megohms at a relative humidity of 80 percent or les
19、s whenmeasured as specifiedin4.3.1. 33.2 Visual inspection. Cartridges shall be fiee of the following defects when inspected in accordance with 4.3.2: illegible, missing, or inaccurate identification markings, incomplete threads, perforated closure disc, incomplete or improper welding of closure dis
20、c, bent pins, damaged O-rings, deep scratches, dents, sharp edges, burrs, or other defects which may prevent entry of the cartridge into the firing chamber, or affect the resistance of the cartridge to moisture. Each cartridge shall meet the requirements of 3.2,3.5, and Drawing 2240772. 333 Radiogra
21、phic inspection. When radiographically examined, each cartridge shall show proper assembly, presence of parts, proper welding, sealing and proper electrical connections, proper thread form, presence of the propellant, no foreign matqials, and proper assembly of pyrotechnidnon-metailic materials when
22、 inspected in accordance with 4.3.3. 33.4 Bridge Circuit resistance. The resistance of each of the two bridge circuits in each completely assembled cartridge, when measured electrically as specified in 4.3.4, shall be 0.30 f 0.05 ohms. 33.5 Leakage. The leakage rate of each cartridge shall not excee
23、d 1 x accordance with 4.3.5. cm3/sec of air when tested in 3.4 Cartridge performance. Cartridges shall be capable of meeting all requirements of 3.4.1 through 3.4.7 Applicable first article tests are defined in table I and applicable lot acceptance tests are defined in table III. 3.4.1 Power current
24、. The cartridge shall not fire when subjected to the power current test of 4.3.6. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-0023933C 9999906 2033946 347 3.4.2 Static discharge. The carridge shall not fire when the static discharge tes
25、t is applied in accordance with 4.3.7. 3.43 Stray voltage. The cartridge shall not fire when a stray voltage of 100 milliamperes is applied in accordance with 4.3.8. 3.4.4 Shock. The cartridge shall not incur damage nor deformation when subjected to the shock test in accordance with 4.3.9. 3.4.5 Vib
26、ration. The cartridge shall not incur damage nor deformation when subjected to the vibration test in accordance with 4.3.10. 3.4.6 Temperature and humidity cycling. The carridge shall not incur damage nor deformation when subjected to temperature and humidity cycling in accordance with 4.3.1 1. 3.4.
27、7 Ballistic requirements. The cartridge shail meet the requirements of 3.4.7.1 through 3.4.7.3 when subjected to the test prescribed in 4.3.12. 3.4.7.1 Hangfire The cartridge shall fire within 75 milliseconds of the application of 5 f O. 10 amperes to each of the bridge circuits (10 amperes total cu
28、rrent). 3.4.7.2 MaUmum pressure. The maximum pressure produced by the cartridge shall be between 1050 and 1900 psig. 3.4.73 Misfire. There shall be no misfires. 35 Workmanship. Cartridges shall be constnicted and finished in a manner to ensure compliance with all requirements of this specifcation. 4
29、. VERIFICATION 4.1 Classification of inspections. a First article inspectiodtests (sek 4.2.1) b. Ps-y component inspection (see 4.2.2) c. Production inspection (see 4.2.3) d Lot acceptance inspection/tests (see 4.2.4) 4.2 Inspections. -. 4.2.1 First article inspection. Unless otherwise specified in
30、the contract or purchase order (see 6.2), a first article sample of 64 cartridges sha be subjected to rst article testing as specified in table I. Sixty of these ddges shali be expended in the tests listed in table I and four ddges shail be retained for investigative purposes. Any damage infiicted b
31、y the environmentai treatments which would adversely affect the performauce of the item in the service application sha be cause for rejection of the rst article sample. Any frher produdion prior to notification by the umracthg agency of first article acceptance shal be at the I 4 Provided by IHSNot
32、for ResaleNo reproduction or networking permitted without license from IHS-,-,-contractors risk. Failure of any cartridge to comply with the requirements of section 3 shall be cause for rejection of the fust article represented. Shock“ Vi bration3 Temperature and humidity cycling2 Ballistic test -65
33、F 70F 160F TABLE I. First article test D lall. 3.4.4 4.3.9 6 3.4.5 4.3.10 6 3.4.6 4.3.1 1 12 3.4.7 4.3.1 2 12 12 6 6 12 12 4.2.2 Primary component inspection. All primary component lots intended for use in the manufxture of the cartridges shall be inspected and handled in accordance with the require
34、ment of 3.2. Primary component lots failing to meet the requirements of 3.2 shall not be used for the manufacture of the cartridges. 4.23 Production inspection. All production cartridges manufactured under the contract shali be inspected and screened for the defects specified in table II. Cartridges
35、 failing to meet the requirements listed in table III shall be rejected and removed fiom the lot. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-O023933C( OS) Tests Requirement Paragraph insulation resistance 3.3.1 TABLE II. Productio n in
36、stiections, Test Paragraph 4.3.1 - Bridge circuit resistance Leakage I Visuai inspection I 3.3.2, 3.5 I 4.3.2 I 3.3.4 4.3.4 3.3.5 4.3.5 - I Radiographic inspection I 3.3.3 I 4.3.3 -1 Tests Requirement Visual inspection . 3.3.2,3.5 Radiographic inspection 3.3.3 Bridge circuit resistance 3.3.4 Leakage
37、 3.3.5 Ballistic 3.4.7 Test Method Quantity 4.3.2 Test and retain sample 4.3.3 Test and retain sample 4.3.4 Test and retain sample 4.3.5 Test and retain sample 4.3.1 2 Test sample 43.4 Lot acceptance inspection. Lot acceptance inspection shall consist of the examinations and tests specife in table I
38、II. Failure of any sample cartridge to comply with the requirements listed in table III shall be cause for rejection of the lot represented. Packaging defects shaii be coected before acceptance. 43.4.1 Sample size. A random sample from each production lot, including Uze retained sample for investiga
39、tive purposes, sha be selected in accordance with table N for lot acceptance inspection. Test sample cartridges and cartridges for investiive purposes shall not be applied as part of the quantity specified for deliveq by the contract or purchase order. 43 Inspections and tests. 43.1 Insulation resis
40、tance. Prior to welding the bridgewires to the pins, to the complete body, and to the bridgewire assemblies (Drawkg 2240764), the insulation resistance between the pins and between the pins and the carfridge body shall be checked with an applied voltage of 500 f 25 volts DC for 60 seconds. Each cari
41、dge shall meet the requirements of 3.3.1. A leakage current that exceeds O. 1 milliamperes shall be cause for rejecion. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE IV. Lot acmce samD linP Lot Size 111 to 180 1 81 to 300 301 to 500 Ballist
42、ic Test Sample Size Retain Sample Size Total Sample Size 15 2 17 20 2 22 25 2 27 501 to 800 801 to 1300 30 2 32 35 2 37 43.2 Visual inspections. 1301 to 3200 43.2.1 Primary component inspection. The primer mix shall be visually inspected during compounding and loading for conformance to 3.2.1. The p
43、ropellant charge shall be inspected for conformance to 3.2.2.1. Evidence of decomposition shall be cause for rejection. The charge quantity shall be measured for conformance to 3.2.2.2. 40 I 2 I 42 433.2 Cartridge inspection. The extemal condition and appearance of the cartridges shall be determined
44、 by comparison to Drawing 2240772. Specific inspections of the electrical connector, electrical shielding cap, threads, stainless steel case, output closure, weld, and identification label shall be conducted as a minimum. Each cartridge shall meet the requirements of 3.3.2. 43.3 Radiographic examina
45、tion. Radiographic examination shall include X-ray in accordance with MIL-STD-453. Each cartridge shall be positioned for the most revealing exposure with the long axis perpenicular to the dographic beam. One radiographic plate shall contain one identified inert cartridge to be used as a comparison
46、aid. The inert cartridge shall be separated fiom the remaining cartridges on the plate. Ali cartridges shall be identified with serial numbers beginning with O01 prior to examination. The cartridges shail be arranged on boards or trays in consecutive order with any missing serial numbers identified
47、on the r*ographic plate. Each radiograph shall carry a permanent identification of the items displayed thereon in a 4 x 6 inch region maximum. The radiographic identification shall include the drawing number, the complete lot numk in accordance with MIL-STD-1168, the contract number, and the span of
48、 serial numbers displayed. Radiographs of the entire production lot shall accompany the ballistic sample to the activity conducting the tests. Any observable imperfections as outiined in 3.3.3 shail be cause for rejection of the cartridge. Defective cartridges found during radiographic review are to
49、 be marked on the radiographic plate and removed fiom the production lot. 433.1 Sample radiographic plate. A sample radiographic plate and x-ray technique shall be submitted by the contractor for approval prior to x-raying production lot. The production lot x-rays shall be made using the identical technique utilized to produce the approved sample plate. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without
