1、INCH-POUND MIL-DTL-22653D(OS) 13 September 2000 SUPERSEDING MIL-C-22653C(AS) 10 December 1985 DETAIL SPECIFICATION CARTRIDGE, IMPULSE, MARK 19 MOD O This specijcation is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencie
2、s of the Department of Defense. 1. Scope. 1.1 Scope. This specification covers the requirements for the manufacture and acceptance of the Mark 19 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 this sp
3、ecification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requir
4、ements documents specified in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications and standards. The following specifications and standards form a part of this document to the extent specified herein. Unless otherwise specified, the
5、issues of these documents are those listed in the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS DEPARTMENT OF DEFENSE MIL-D-21625 Design and Evaluation of Cartridges for Cartridge Actuated Devices STAN
6、DARDS Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Indian Head Division, Naval Surface Warfare Center, Standardization Team (Code 840M), 101 Strauss Avenue, Indian Head, MD 20640-5
7、035 by using the Standardization Document Improvement Proposal D 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. Provided by IHSNot for ResaleNo reproduction or networking pe
8、rmitted without license from IHS-,-,-M IL-DTL-22653D( OS) DEPARTMENT OF DEFENSE MIL-STD- 1 168 Ammunition Lot Numbering and Ammunition Data Card DOD-STD-2 1 O 1 Classification of Characteristics (Unless otherwise indicated, copies of federal and Department of Defense specifications and standards are
9、 available from Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified h
10、erein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS NAVAL AIR SYSTEMS COMMAND (Code Ident 30003) 1825934 Igniter Assembly 2015079 Loaded Spacer DL4 19700 Cartridge, Impulse, Mark 19 Mod O (Application for copies should be addressed to Commander, Naval Surface
11、Warfare Center, Indian Head Division, 101 Strauss Avenue, Data Control Branch (Code 8410), Indian Head, MD 20640-5035.) PUBLICATIONS NAVAL SEA SYSTEMS COMMAND (Code Ident 5371 1) OP 5 Ammunition and Explosives Ashore (Copies of specifications, standards, drawings, and publications required by contra
12、ctors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity). 2.3 Non-Government publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified,
13、 the issues of the documents which are DoD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND
14、 MATERIALS (ASTM) ASTM E 1742 Standard Practice for Radiographic Examination (DoD adopted) (Application for copies should be addressed to the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) 2 Provided by IHSNot for ResaleNo reproduction or networ
15、king permitted without license from IHS-,-,-M IL-DTL-22653D( OS) 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regula
16、tions unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified in the contract or purchase order (see 6.2), a sample shall be subjected to first article inspection (see 4.3 and 6.3). 3.2 Conformance to documents. The Mark 19 Mod O impulse cartridge covered by
17、this specification shall be manufactured in accordance with DU19700 and all documents listed thereon. 3.3 Materials. All materials used in the manufacture of the cartridges shall conform strictly to the specifications referred to on the respective drawings. When alternate materials or methods of man
18、ufacture are specified on the drawings, the bidders selections shall be clearly stated in the proposal. 3.4 Primary components. For the purposes of this specification the propellant is considered a primary component. 3.5 Insulation resistance. Prior to the assembly of the bridgewires in the inner cu
19、p and electrode assembly the insulation resistance shall be not less than 50 megohms at a relative humidity of less than 80 percent (see 4.6.1). 3.6 Bridgewire. The bridgewire shall be soldered to the inner cup and electrode. The solder and soldering process shall be as specified on the applicable d
20、rawing. 3.7 Bridgewire assembly, continuity. Before filling the cavity around the bridgewire with the igniter compound, the bridgewire assembly shall be thoroughly cleaned to remove solder flux and contamination. After cleaning, the bridgewire shall be flashed by application of an electric current t
21、o assure continuity of both legs of the bridgewire. The current shall be regulated to produce a visible red glow of the bridges. An electromagnetic force (EMF) of approximately 1.5 volts ac or dc may be used with a suitable series resistor to adapt the source characteristics to the primer resistance
22、. Flashing is a necessary manufacturing operation and shall be conducted on each bridgewire assembly. Assemblies which fail to flow in both legs of the bridge shall be screened from acceptable material in the process. The discarded assemblies may be reworked by replacement of the bridge. 3.8 Igniter
23、 composition and loading. The igniter composition shall be compounded and loaded in accordance with Drawing 1825934. 3.8.1 Loaded spacer. The loaded spacer shall be loaded with primer composition FA-878 in accordance with Drawing 2015079. 3.9 Propellant charge. 3.9.1 Quantity. All propellant charges
24、 shall be as specified on Drawing 2164465. Charges shall be determined by weight rather than by volume measurement. 3.9.2 Smokeless powder, handling, and loading. The smokeless powder shall be subjected to no unnecessary handling or exposure to the atmosphere. The handling and loading of smokeless p
25、owder 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-M IL-DTL-22653D( OS) exposed to the atmosphere shall be performed only under conditions that do not permit the relative humidity to exceed 75 percent. 3.9.3 Smokeless powder, condition. The smok
26、eless powder used shall exhibit no evidence of decomposition (see 4.5.2). 3.10 Cartridge requirements. 3.10.1 Bridgewire resistance. The resistance of the bridge circuit in each completely assembled cartridge, when measured electrically (see 4.5.4), shall be not less than 0.08 ohm nor more than 0.14
27、 Ohm. 3.10.2 Leakage. Cartridge leakage rate shall be not greater than (see 4.5.5). cubic centimeters of air per second 3.10.3 Radiographic examination. Cartridges shall be free of imperfections when in components or assembly as verified by radiographic examination of all first article and productio
28、n test samples (see 4.5.6). 3.11 Ballistic requirements. Cartridges shall meet the ballistic requirements specified in 3.11.1 through 3.1 1.3 when subjected to the test prescribed in 4.5.7. 3.11.1 Chamber pressure. The upper (U) and lower (L) limits of maximum pressure in pounds per square inch shal
29、l be 2400 and 1550, respectively. 3.11.2 Misfire. There shall be no misfires (see 4.5.7.2). 3.11.3 Hangfire. There shall be no hangfires (see 4.5.7.3). 3.12 Change in propellant lot. Whenever a change occurs in the propellant lot for the main charge, test firings shall be conducted in accordance wit
30、h 4.8. No cartridge shall produce results outside the limits specified in 3.1 1.1 and no cartridge shall fail to meet the requirements of 3.1 1.2 or 3.1 1.3. 3.13 Visual inspection. Cartridges shall be free of the following defects: burrs, dents, incomplete or damaged threads, missing or damaged O-r
31、ing, perforated closure disc, or other defects which may prevent entry of the cartridge into the firing chamber, or affect the resistance of the cartridge to moisture. All cartridge marking and identification shall be verified as proper (see 4.5.3). 4. QUALITY ASSURANCE PROVISIONS 4.1 Classification
32、 of inspections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.3) b. Conformance inspection (see 4.4). 4.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be performed as specified in the applicable test
33、method of 4.5. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-M IL-DTL-22653D( OS) 4.3 First article inspection. First article inspection shall be performed after award of contract and prior to production by a facility designated in the contract o
34、r order (see 6.2). A first article sample acceptable for environmental and function testing shall be considered as a sample which has met the requirements of 3.2 through 3.10.3 and 3.13 of this specification. First article inspection shall be performed on sample units which have been produced using
35、the same materials, equipment, processes and procedures as will be used in regular production. All parts and materials, including packaging and packing shall be the same as used for regular production and shall be fi-om the intended sources of supply. 4.3.1 Sample size. The first article sample shal
36、l consist of 94 cartridges. 4.3.2 Inspection routine. Eighty-four cartridges shall be expended in the tests listed below and 10 shall be retained for investigative purposes. Testing shall consist of the following tests as prescribed in table III of MIL-D-21625 (see 6.2): 15 “g“ shock (12); THC (18);
37、 vibration (12); -65 “F temperature (12); +160“F temperature (12); +70“F temperature (12). The number in parentheses denotes the number of cartridges allocated for each test. The cartridges shall be fired in the test set specified in 4.5.7. No cartridge firing shall produce results outside the limit
38、s specified in 3.1 1.1 through 3.1 1.3. 4.3.3 Failure. Failure of any cartridge shall be cause for rejection of the first article sample. 4.4 Quality conformance inspection. Quality conformance inspection shall consist of the tests specified in table I. TABLE I. Quality conformance tests and examina
39、tions. Classification Item Insulation Propellant charge Smokeless powder Cartridge Cartridge Cartridge Cartridge Cartridge Cartridge Nature of test Resistance Quantity Condition Visual examination Bridgewire resistance Leakage X-ray Ballistics Packaging Requirement para 3.5 3.9.1 3.9.3 3.10.4 3.10.1
40、 3.1 0.2 3.1 0.3 3.1 1 Section 5 Test para. 4.5.1 4.5.2 4.5.3 4.5.4 4.5.5 4.5.6 4.5.7 4.5.3 Classification (DOD-STD-2101) (M101) (M102) (M103) (M104) (M105) (M106) (M107) (M108) (Ml 09) 4.4.1 Lot size. Unless otherwise specified (see 6.2), the production lot size shall be not less than 1301 and not
41、greater than 8000 maximum. Only primary components from a single lot shall be used in a production lot of cartridges; however, one primary component production lot may be used in more than one cartridge production lot. 4.4.2 Sampling. Unless otherwise specified (see 6.2), sampling shall be in accord
42、ance with table II. 4.4.3 Classification of characteristics. The characteristics verified by the tests and examinations herein are classified as critical, major, or minor in accordance with DOD-STD-2101. Tests and examinations 5 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
43、thout license from IHS-,-,-M IL-DTL-22653D( OS) 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 and examinations which are n
44、ot annotated with a classification code are classified minor. 4.5 Tests. 4.5.1 Insulation resistance. Prior to assembly of the bridgewire in the inner cup and electrode assembly the insulation resistance shall be checked with a 500-volt megohmmeter. Units with resistance of less than 50 megohms shal
45、l be cause for rejection. TABLE II. Quality conformance sample size. 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 Retained sample 10 10 10 10 10 10 10 10 10 4.5.2 Smokeless powder, condition. Smokeless pow
46、der shall be inspected in accordance with the applicable paragraphs of OP 5. Evidence of decomposition shall be cause for rejection. 4.5.3 Visual examination. All cartridges shall be visually examined. Cartridges having any of the defects of 3.13 shall be cause for rejection. The preservation-packag
47、ing, packing, and marking of the cartridges shall be examined for conformance to section 5. 4.5.4 Bridgewire resistance. Conformance with the bridge circuit resistance of 3.10.1 shall be ascertained on all completely assembled cartridges by means of a test circuit which limits the bridge circuit cur
48、rent to 50 milliamperes, maximum. A safety chamber with an interlock switch shall be used to protect the operator during the application of current. A suitable instrument which is known to be accurate to within 0.005 ohm in the range of resistance specified shall be used to determine whether or not
49、the requirement is being met. Units which fail to meet the requirements of 3.10.1 shall be cause for rejection. The results of bridge circuit resistance measurements shall not be affected by resistance of the test circuit and connector. 4.5.5 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 differential of l+O. 1 atmosphere shall be considered defective. Cartridges of the fir
