1、r P U NIL-C-4622BB 13 m 999990b 047bbb5 3 m MLCd6228B 23 ADrii 1991 SUPERSEDING MILC-46228A 6 July 1973 MILITARY SPECIFICATION CARTRIDGE, DELAY, M93 ASSEMBLY is specMcation is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE . 1.1 Scope. This specification cove
2、rs the requirements for the M93 Delay Cartridge (see 6. i). 2. APPLICABLE DOCUMENTS 2.1 Government documents, 2.1.1 Specifications, standards, and handbooks. The following specifications and standards form a part of this document to the extent specified herein. Unless otherwise specified, the issues
3、 of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplements thereto, cited in the solicitation (see 6.2). SPECIFICATIONS MILITARY MIL-A-2550 Ammunition, General Specification for MIL-Cd0539 Coating, Anodic, Conventiona
4、l for Aluminum and Aluminum Alloy Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer, Naval Ordnance Station, Standardization Branch (3730), Indian Head, Maryland 20640-5000, by
5、using the self addressed Standardization Document Improvement Proposal D Form 1426) appearing at the end of this document or by letter. AMSC NIA DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited. FSC 1377 Provided by IHSNot for ResaleNo reproduction or networking permi
6、tted without license from IHS-,-,-MIL-C-46228B 13 m 9999906 047bbbb 5 m i MILC-46228B STANDARDS MILITARY MIL-STD-105 Sanipling Procedures and Tables for Inspection by Attributes MIL-STD-109 Quality Assurance Terms and Definitions MIL-STD-453 Inspection, Radiographic MIL-STD-810 Environmental Test Me
7、thods and Engineering Guidelines (unless otherwise indicated, copies of federal and military specifications and standards are available from Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-5094.) 2.1.2 Other Government documents, drawings, and publicati
8、ons. The following Government drawings form a part of this specification to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation (see 6.2). DRAWINGS NAVAL SEA SYSTEMS COMMAND (CAGE Code 53711) 5 184950 M93 Closed Bomb Assembly NAVAL ORDNANCE STATION
9、 (CAGE Codes 19200 and 19203) DL85933 12 Cartridge, Delay, M93 Assembly 8799620 Box, Packing, Ammunition, For Cartridge, Delay: M93 8799621 Carton, Packing, Ammunition, For Cartridge, Delay: M93 9224944 Carton, Alternative, Packing, Ammunition, For Cartridge, Delay: M70, M93, M113, M155, XM231, OR M
10、293 (Application for copies should be addressed to: Commanding Officer, Naval Ordnance Station, Data Control Branch (Code 3720), Indian Head, MD 20640-5000.) 2.2 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this docume
11、nt takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-4b22BB 23 9999906 047bbb7 7 MIL-C-46228B 3. REQU
12、IREMENTS 3.1 first article. When specified in the contract or purchase order, a first article sample shall be subjected to first article inspection (see 4.4, 6.2, and 6.3). 3.2 Conformance to documents. The M93 Delay Cartridge covered by this specification shall be manufactured in accordance with DL
13、8593312 and all documents listed thereon. 3,3 Materiais. All materials used in the manufacture of the cartridges shall conform strictly to the specifications referred to on the respective drawings unless specific approval in writing covering a departure therefrom has been obtained from the cognizant
14、 Navy design activity prior to manufacture. When alternate materials or methods of manufacture are specified on the drawings, the bidders selections shall be clearly stated in the proposai. 3.4 Components. 3.4.1 Primary components. For the purpose of this specification, the M42 Primer, M8 Delay Elem
15、ent, Igniter Charge and the cartridge propellant charge are considered primary components. 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. 3.4.U Primer. The
16、 primer shall conform to the applicable drawing and reference specification. Only primers from lots manufactured within the last 24 months or recertified within the last 12 months shall be used in these units. Prior to assembly into a cartridge, the primer shall be radiographically examined for defe
17、cts as specified in 4.7.1. 3.4.2 Hardness. The hardness of each component part shall be in accordance with the applicable drawing (see 4.7.2). 3.4.3 Protective finish. The finish of each component part shall be in accordance with MIL-C-60539 and the applicable drawing (see 4.7.3). 3.5 Assembly. 3.5.
18、1 Radiographic examination. Each cartridge assembly shall be radiographically examined for defects (see 4.7.4). 3.5.2 Airtightness. Each assembled cartridge shall exhibit no air leakage greater than 1 x lo4 standard cubic centimeters per second (see 4.7.5) at a 14.7 psia pressure differential, 3.5.3
19、 Vibration. The assembled cartridge shall withstand vibration as prescribed in MIL-STD-810, Method 514.3, Test Procedure I, Test Condition1 3.2.5 without evidence of any disintegration of the primer, propellant, or igniter, or derangement of any component (see 4.7.7 and 6.2). 3 Provided by IHSNot fo
20、r ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-4622BB 13 = 9999906 0476668 9 = Delay time (sec) Pressure (psig) Lower Upper Lower Upper Temperature (OF) MILC-46228B 3.6 Functional requirements. Time to P- (ms) 3.6J Primer sensitivity. The primer shall fire when dr
21、op tested at an energy level of 26 inch-ounces in a sectioned cartridge void of igniter and propellant charge (see 4.7.8. i). 195 to 205 3.6.2 Cartridge performance. .80 1.15 2300 3400 50 3.6.2.1 Misfires. The cartridge shall not fail to fire. 3.6.2.2 Ballistics. The cartridge, when tested in a clos
22、ed bomb (Drawing 5184950), shall produce the pressures, delay times (see 6.6.1), and times to P, (see 6.6.2) at temperatures specified in table I (see 4.7.8.2). TABLE I. Ballistic reauirements. 65 to75 I .85 1 1.20 I 2300 I 3400 . I 50 3.7.1 Metal defects. All components shall be free from cracks, s
23、plits, cold shuts, inclusions, porosity, or any similar defect. 3.7.2 Burr. No part shall have a burr which might interfere with the assembly or function of the item or which might be injurious to personnel handling the item. 3.7.3 Foreign matter. No part or assembly shall contain chips, dirt, greas
24、e, rust, corrosion, or other foreign matter. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) as specified herein,
25、 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 Government. The Government reserves the right to perform any of the inspect
26、ions set forth in this specification where such inspections are deemed necessary to ensure supplies and services conform to prescribed requirements (see 6.2). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILC-46228B 4.1.1 Responsibility for comp
27、liance. All items shall meet all requirements of sections 3 and 5. The inspection 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 contractor of t
28、he responsibility of ensuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturing operations, is an acceptable practice to ascertain conformance to requirements; however, this does not au
29、thorize submission of known defective material, either indicated or actual, nor does it commit the Government to accept defective material. 4.1.2 Quality assurance terms and definitions. Reference shall be made to MIL-STD-109 to define the quality assurance terms used. 4.1.3 Inspections. Inspections
30、 shall be in accordance with MIL-A-2550 and MIL-STD-453. 4.2 Classification of inspections. The inspection requirements specified herein are classified as follows: a. b. First article inspection (see 4.4) Quality conformance inspection (see 4.5) 4.3 Inspection conditions. Unless otherwise specified
31、in the contract or purchase order (see 6.2), inspection conditions shall be as follows: a. Temperature: Room ambient 20“ to 25“ C (68“ to 77“ F) O b. Altitude: Sea level c. d. Atmospheric: 14.7 psia Humidity: 50 percent relative, maximum 4.4 First article inspection. At the beginning of regular prod
32、uction, the contractor shall submit a first article sample to a Government approved facility for evaluation, The sample shall consist of 21 assembled cartridges for ballistics testing including 12 for vibration tests, 5 assembled cartridges for sealant tests, 10 sets of unassembled components for di
33、mensional and visual examination, and the quantity specified in accordance with 4.4.2, Le., cartridges assembled without the igniter and propellant charge for primer sensitivity test. The first article sample shall be manufactured using the same materials, equipment, processes, and procedures as use
34、d in regular production. All parts and materials, including packaging and packing, shall be the same as used for regular production and shall be obtained from the same source of supply, When it becomes necessary to make a change in either the primer, propellant, or igniter lot after initial producti
35、on, 12 assembled cartridges from the first production lot thereafter shall be tested in accordance with 4.7.7. The Government reserves the right to require new first article samples until such time as an acceptable sample is submitted (see 6.3). 4.4.1 Examination, tests, and facility. After provisio
36、nal acceptance at source, the sample shall be inspected for all requirements of the drawings and specifications .at a Government laboratory or other such facility specified in the contract (see 6.2). 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
37、MIL-C-4b228B L3 m 99999Ob 047bb70 7 m Lot size 3 to 15 MILC-46228B 4.4.2 Sample size for primer sensitivity. The number of cartridges assembled without igniter or 0 propellant to be submitted for primer sensitivity tests shall be in accordance with table II. Sample size 3 TABLE II. Primer sensitivit
38、y. 26 to 40 41 to 65 66to 110 111 to 180 5 7 10 15 II 16 to25 I 65 to 75 195 to 205 4 3 4 3 4 II II 181 to 300 I 25 II II 301 to 500 .I 30 II II 501 to 800 1 35 II II 801 to 1300 I 40 Il II Over 1300 I 50 II 4.4.3 Temperature conditioning for ballistic test. The sample shall be temperature condition
39、ed and tested to determine compliance with 3.6.2.2. The sample for firing shall be conditioned to table III. TABLE III. Temperature conditioning. Temperature (OF) I Not vibrated I Yibrated 4.4.4 First article failure. Failure of the sample to comply with the requirements of the drawings and specific
40、ations shall result in first article sample disapproval. 6 O Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-4622B 13 9999906 0476671 9 m MILC-46228B 4.5 Quality conformance inspection. 4.5.1 Lot. 4.5.1.1 Submission of product. The product shal
41、l be submitted in accordance with MIL-STD-105. 4.5.1.2 Lot size, Unless otherwise specified (see 6.2), the production lot size shall be not more than 1200. 4.5.2 Examination and tests. The quality conformance sample shall be subjected to the examinations of 4.6 and all the test procedures of 4.7 exc
42、ept for 4.7.7. 4.6 Examination. All cartridges and components shall be examined visually and radiographically and characteristics defined in accordance with the applicable drawings. One hundred percent examination shall be performed for all critical defects. Examination for major or minor defects sh
43、all be performed on a defect basis in accordance with the classification of defects. Four power (4X) magnification may be used in performing visual examination for such defects as burrs and foreign matter, When compliance is in doubt as a result of visual inspection, the characteristic shall be meas
44、ured or gaged to determine acceptability, All nonconforming items shall be rejected. 4.6.1 Cartridge, Delay, M93 Assembly, Drawing 8593312. Characteristic Defect Critical 1 Any part missing 2 Improper assembly 3 4 Metal defective 5 Crimp missing or incorrect 6 Mixed delay elements or propellant Mark
45、ing missing, incorrect, or illegible Major 101 102 103 104 105 106 107 108 Cartridge profile failure Diameter of body, max Diameter of head, max Location of datum diameter “O“ ring split, cracked or cut Protective finish inadequate or defective Foreign matter present Burr Minor 201 Total length, max
46、 202 Case damaged 203 Varnish inadequate or missing 7 Method of Inspection X-ray/Visual X-ray /Visual Visual Visual Visual Visual Gage Gage Gage Gage Visual Visual Visual Visual Gage Visual Visual Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C
47、-4b22B 13 9997906 047bb72 O MILC-46228B 4.6.2 Delay Element, MS, Drawing 8593163, covering a detail of Drawing 8593312. Characteristic Defect Method of Inspection Critical 1 Mixed delay elements 2 3 4 5 6 Metal defective Flash hole missing or obstructed Primer uncrimped or seal missing Marking missi
48、ng, incorrect, or illegible Delay charge not visible through flash hole Visual Visual Visual Visual Visual Visual Major 101 Protective finish inadequate or defective Visual 102 Burr Visual 103 Foreign matter present Visual Minor None defined 4.6.3 Case, Cartridge, Drawing 8595202, covering a detail
49、of Drawing 8593312. Critical 1 Metal defective Major 101 102 103 104 105 106 107 108 109 Concentricity of head with body Straightness of base Diameter of body, min Diameter of head, min Thickness of base flat Thickness of wall Protective finish inadequate or defective Burr or sharp corner Foreign matter present Minor 201 Diameter of head, max 202 Hardness 203 Total length 204 205 Surface finish improper Radius or chamfer missing
