1、MIL-C-l15638 13 W 7799706 0359bb0 O a -c-$7-/7 MIL-C-8 1563B(AS) 10 December 1985 SUPERSEDING 27 August 1970 MIL-C-8 1563A(AS) MILITARY SE)ECIFICATION CARTRIDGE, IMPULSE, MARK 67 MOD O This specification is approved for use within the Naval Air Systems Command, Department of the Navy, and is availab
2、le for use by all Departments and Agencies of the Department of Defense. i. SCOPE 1.1 Scope. This specification covers the requirements for the manufacture and acceptance of the Mark 67 Mod O Impulse Cartridge (see 6.1). 2. APPLICABLE DOCUMENTS 2.1 Government documents. 7 .a T 5 2.1.1 Specifications
3、 and standards. The following specifications and standards form a part of this specifica- tion to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and
4、sup- plement thereto, cited in the solicitation. SPECIFICATIONS 0 Military Preservation-Packaging, Methods of Propellant for 20 mm Aircraft Gun Mark 12 Design and Evaluation of Cartridges for Cartridge Actuated Devices Ignition Element, Electric, Mark 13 Mod O MIL-P- 1 16 MI L-P- 1 8 942 MIL-D-21625
5、 MIL-1-8 1537 STANDARDS Military MIL-STD-105 MIL-STD-129 MIL-STD-453 Inspection, Radiographic MS3 106 Sampling Procedures and Tables for Inspection by Attributes Marking for Shipment and Storage Connector, Plug, Electric, Straight, Solder Contacts, AN Type Beneficial comments (recommendations, addit
6、ions , deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer, Naval Air Engineering Center, Systems Engineering and Standardization Department (SESD) Code 93, Lakehurst, NJ 08733, by using the self-addressed Standardization Docume
7、nt Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. / AMSC N/A THIS DOCUMENT CONTAINS 7 PAGES FSC 1377 DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited. f Provided by IHSNot for ResaleNo reproduction or networking permitted witho
8、ut license from IHS-,-,-MIL-C-LSb3B 13 7979906 0357b63 2 MIL-C-81563B(AS) 2.1.2 Drawings and publications. The following drawings and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the soli
9、citation. DRAWINGS Naval Air Systems Command (Code Ident 30003) DL613460 . DL25 19598 Ignition Element, Electric, Mark 13 Mod O Cartridge, Impulse, Mark 67 Mod O 25 18353 Ejection Test Stand Assembly 25 19598 Cartridge, Impulse, Mark 67 Mod O, Assembly 25 19605 25 19606 Container, Inner, Assembly 25
10、19613 PUBLICATIONS Cartridge, Impulse, Mark 67 Mod O, Packaging Equipment Assembly Test Fixture Assembly (5.6 CU. in. closed bomb) Naval Sea Systems Command (Code Ident 5371 1) OP 5 WR-43 Ammunition and Explosives Ashore Preparation of Quality Assurance Provisions Code of Federal Regulations 49 CFR
11、100-199 Transportation (Copies of specifications, standards, drawings, and publications required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contrac- ting activity). 2.2 Order of Precedence. In the event of a
12、 conflict between the text .of this specification and the references cited herein (except for associated detail specifications, specification sheets or MS standards), the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and reg
13、ulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified in the contract or purchase order, a sample shall be subjected to first 3.2 Conformance to documents. The Mark 67 Mod O impulse cartridge covered by this specification shall article inspectioq (
14、see 4.4 and 6.3), be manufactured in accordance with DL2519598 and all documents listed thereon. 3.3 Materials. All materials used in the manufacture of the cartridges shall conform strictly to the specifica- tions referred to on the respective drawings. When alternate materials or methods of manufa
15、cture are specified on the drawings, the bidders selections shall be clearly stated in the proposal. 2 4 pr . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-B15638 13 m 977970b 0359662 Li MIL-C-8 1563B(AS) 3.4 Primary components. For the purpo
16、ses of this specification the Mark 13 Mod O electric ignition ele- ment (MIL-I-81537), and the cartridge propellant (MIL-P-i 8942) are considered primary components. 3.5 Ignition element. The ignition elements shall be furnished from lots which were manufactured within the past 12 months. The igniti
17、on elements shall be manufactured in accordance with the drawings listed on DL613460, andshall be from lots which were accepted in accordance with the requirements of MIL- 1-81537. When the same contractor manufactures the Mark 13 Mod O ignition element and the Mark 67 Mod O impulse cartridge and as
18、sembles the ignition element in the cartridge, the testing requirements of MIL-1-81537 for the ignition element shall be waived (see 4.6.1). The ignition element shall be free of the following defects when X-rayed (see 4.6.6.2): missing, defective or improperly assembled components; charges missing
19、or abnormally small; or any other imperfections which could adversely affect performance. 3.6 Propellant charge. 3.6.1 Quantity. All propellant charges shall be as specified on Drawing 2519598. Charges shall be deter- mined by weight rather than by volume measurement. 3.6.2 Smokeless powder, handlin
20、g, and loading. The smokeless powder shall be subjected to no unnecessary handling or exposure to the atmosphere. The handling 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. 3.6.3 Smoke
21、less powder, condition. The smokeless powder used shall exhibit no evidence of decomposi- tion (see 4.6.2) 3.7 Cartridge inspection. 3.7.1 Bridge circuit resistance. The resistance of the bridge circuit in each completely assembled cartridge, when measured electrically (see 4.6.4), shall be not less
22、 than 0.08 ohm nor greater than 0.15 ohm. 3.7.2 Leakage. Cartridge leakage rate shall be not greater than 10-5 cubic centimeters of air per second (see 4.6.5). 3.7.3 X-ray. Cartridges shall be free of imperfections when X-rayed (see 4.6.6.1). 3.8 Ballistic requirements. Cartridges shall meet the bal
23、listic requirements specified in 3.8.1 through 3.8.4 when subjected to the test prescribed in 4.6.7. 3.8.1 Chamber pressure. The upper (U) and lower (L) limits of maximum pressure in pounds per square inch shall be 14,600 and 11,500, respectively. 3.8.2 Time from start of pressure rise to maximum pr
24、essure. The time from start of pressure rise to max- imum pressure shall be not less than 0.005 second nor greater than 0.030 second. 3.8.3 Misfire. There shall be no misfires (see 4.6.7.2). 3.8.4 Hangfire. There shall be no hangfires (see 4.6.7.3). 3.9 Change in propellant lot. Whenever a change oc
25、curs in $he propellant lot for the main charge, test firings shall be conducted in accordance with 4.8. 3.10 Workmanship. Cartridges shall be free of the following defects: burrs, dents, incomplete or damaged threads, missing or damaged O-ring, perforated closure disc, or other defects which may pre
26、vent entry Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-81563B 13 9997906 0359663 6-6 MIL-C-8 1563B(AS) of the cartridge into the firing chamber, or affect the resistance of the cartridge to moisture. Particular attention shall be directed t
27、o dimensions, finishes and coatings. All cartridge marking and identification shall be verified as proper (see 4.6.3). 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the con- tractor is respnsible for the performance o
28、f aii inspection requirements as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Govern- ment. The Governm
29、ent 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. 4.1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. The i
30、n- spection set forth in this specification shall become a part of the contractors overall inspection system or quality program. The absence of any inspection requirements in the specification shall not relieve the con- tractor of the responsibility of assuring that all products or supplies submitte
31、d to the Government for ac- ceptance comply with all requirements of the contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. 4.2 Classification of inspe
32、ctions. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.4) b. Quality conformance inspection ,(see 4.5). 4.3 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be performed as specified in the applicable test
33、method of 4.6. 4.4 First article inspection. First article inspection shall be performed after award of contract and prior to production by a facility designated in the contract or order (see 6.2). A first article sample acceptable for environmental and function testing shall be considered as a samp
34、le which has met the requirements of 3.2 through 3.7.3 and 3.10 of this specification. First article inspection shall be performed on sample units which have been produced using the same materials, equipment, processes and procedures as will be used in regular production. All parts and materials, in
35、cluding packaging and packing shall be the same as used for regular production and shall be from the intended sources of supply. 4.4.1 Sample size. The first article sample shall consist of 106 cartridges. 4.4.2 Inspection routine. Ninety-six cartridges shall be expended in the tests listed below an
36、d 10 shall be retained for investigative purposes. Testing shall consist of the following tests as prescribed in MIL-D-21625 (see 6.2): temperature and humidity cycling (18); 15 “g“ shock (12); vibration (12); salt spray (12). The number in parentheses denotes the number of cartridges allocated for
37、each test. These cartridges (with the exception of classified on the drawing of DL2519598. i TABLE I. Quality conformance tests and examinations. I Ifem t Primary component Ignition element Ignition element Propellant charge Smokeless powder Cartridge Cartridge Cartridge Cart ridge Cartridge Cartrid
38、ge Cartridge Lot size 66 - 110 111 - 180 181 - 300 301 - 500 501 - 800 801 - 1300 1301 - 3200 3201 - 8000 8001 - 22000 Sample size 15 15 20 25 30 35 40 50 75 Test para. 1 4.5.1 4.6.1 4.6.6.2 4.6.2 4.6.3 4.6.4 4.6.5 4.6.6.1 4.6.7 4.8 4.6.3 Classification (WR-43) 4.5.1 Lot size. Unless otherwise speci
39、fied (see 6.2), the production lot size shall be not less than 301 and not greater than 800. Only primary components from a single lot shall be used in a production lot of car- tridges; however, one primary component production lot may be used in more than one cartridge produc- I. - tion lot. 4.5.2
40、Sampling, Unless otherwise specified (see 6.2), sampling shall be in accordance with table TABLE II. Quality conformance sample size. Retained sample 10 10 10 10 10 10 10 10 10 4.5.3 Classification of characteristics. The characteristics verified by the tests and examinations herein are classified a
41、s critical, major, or minor in accordance with WR-43. Tests and examinations that verify critical Characteristics are identified by the symbol (C) and major characteristics by the symbol (M). The number following the classification symbol indicates the serial number of the test or examination. Tests
42、 and examinations which are not annotated with a classification code are classified minor. a 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.6 Tests. 4.6.1 Ignition element verification. Verification. shall be made available that the ignition ele
43、ments used were certified and accepted in accordance with the requirements of 3.5. 4.6.2 Smokeless powder, condition. Smokeless powder shall be inspected in accordance with the applicable 4.6.3 Visual examination. All cartddges shall be visuallyexamined. Cartridges having any of the defects of 3.8 s
44、hall be cause for rejection. The preservation-packaging, packing, and marking of the cartridges shall be examined for conformance to section 5. paragraphs of OP 5. Evidence of decomposition shall be cause for rejection. 4.6.4 Bridge circuit resistance. Conformance with the bridge circuit resistance
45、of 3.7.1 shall be ascer- tained on all completely assembled cartridges by means of a test circuit which limits the bridge circuit cur- rent to not greater than 25 milliamperes. The test circuit shall be connected to the cartridge through a fully assembled electrical connector, MS3106-12-58. A nw con
46、nector shall be used after not more than 500 con- nections. A safety chamber with an interlock switch shall be used to protect the operator during the applica- tion of current. A suitable instrument which is known to be accurate to within 1 percent in the range of resistance specified shall be used
47、to determine whether or not the requirement is being met. Units which fail to meet the requirements of 3.7.1 or fail to assemble completely, by hand, with the specified connector shall be cause for rejection. The results of bridge circuit resistance measurements shall not be affected by resistance o
48、f the test circuit and connector. 4.6.5 Leakage. Each cartridge in the first article or production sample shall be leak tested in a dry gas leak tester. Cartridges which exhibit a leak rate greater than cc per second of air at a pressure dif- ferential of 1 & 0.1 atmosphere shall be considered defec
49、tive. Cartridges of the first article sample which exhibit a leakage defect shall be cause for rejection. If the number of cartridges of the production lot sam- ple exhibiting leak defects exceeds an AQL of 2.5 percent defective from table II of MIL-STD-105, then a 100 percent leak test of the lot being tested shall be required. Cartridges which exhibit a leak rate greater than that specified above shall be cause for rejection (see 6.5). 4.6.6 Radiographic examination. 4.6.6.1 Cartridge. All cartri
