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    NAVY MIL-I-46576 A-1994 INITIATOR CARTRIDGE ACTUATED M5A2 ASSEMBLY《M5A2火药驱动起始装置》.pdf

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    NAVY MIL-I-46576 A-1994 INITIATOR CARTRIDGE ACTUATED M5A2 ASSEMBLY《M5A2火药驱动起始装置》.pdf

    1、I INCH-POUND I MIL-I-46576A(OS) 10 Aumist 1994 SUPERSEDING 23 August 1961 MIL-I4576(0RD) MILITARY SPECIFICATION INITIATOR, CARTRIDGE ACTUATED, M5A2 ASSEMBLY mis specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and

    2、 Agencies of the Departments of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for the M5A2 Cartridge Actuated Initiator Assembly (see 6.1). 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form

    3、a part of this document to the extent specified herein. Unless otherwise specified, the issues 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 MIL

    4、ITARY MIL-A-2550 Ammunition, General Specification For MIL-140522 Initiator, Cartridge Actuated, MSA2 Metal Parts Assembly MIL-1-82880 Initiator, Cartridge Actuated, M5A2 Remanufactured Metal Parts Assembly Beneficial comments (recommendations, additions, deletions) and any pertinent daia which may

    5、be of use in improving this document should be addressed to: Coder, Indian Head Division, Naval Surface Warfare Center, Standardization Branch (Code 8420), 101 Strauss Avenue, Indian Head, MD 20640-5035, by using the Standardization Document improvement Proposal D Form 1426) appearing at the end of

    6、this document or by sending a letter. AMSC NJA FSC 1377 DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-I-Vb57bA 777770b 1985827 682 STANDARDS MILITARY MIL-STD-105

    7、 Sampling Procedures And Tables For Inspection By Attributes MIL-STD- 109 Quality Assurance Terms And Definitions MIL-STD-453 Inspection, Radiographic MIL-STD-1168 Ammunition Lot Numbering MS28741 Hose Assembly, Detachable End Fitting, Medium Pressure (Unless otherwise indicated, copies of federal a

    8、nd military specifications and standards are available from Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-5094.) 2.1.2 Other Government documents, drawings, and publications. The following Government draw-ings form a part of this specification to the ext

    9、ent specified herein. Unless otherwise specified, the issues are those cited in the solicitation (see 6.2). DRAWINGS Naval Surface Warfare Center, Indian Head Division (CAGE Codes 19200 and 19203) 8594 157 Cartridge, Impulse, M73 Assembly 8796541 Box, Fiberboard (Inner), Packing, Ammunition, For Ini

    10、tiator, Cartridge Actuated, M3A2, M5A2 8796542 Box, Packing, Ammunition, For Initiator, Cartridge Actuated, M3A2, M5A2 DL8596170 Initiator, Cartridge Actuated, M5A2 Assembly 92 16934 Box, Fiberboard (Outer), Alternative, Packing Ammunition, for Initiator, Cartridge Actuated, M3A2, M5A2 U.S. Air Forc

    11、e TPO 00-932-503 1 Initiator, Cartridge Actuated, M3A2, M5A2 (Application for copies should be addressed to: Commander, Indian Head Division, Naval Surface Warfare Center, Attn: Data Control Branch (Code 8410), Indian Head, MD 20640-5035.) 2 Provided by IHSNot for ResaleNo reproduction or networking

    12、 permitted without license from IHS-,-,- MIL-1-4657bA 99990b 1985830 3T4 m 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 document takes precedence. Nothing in this document, however, supersedes applicable laws

    13、and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Materiais. All materials used in the manufacture of the initiators shall conform to the specifications referred to on the respective drawings unless specific approval in writing covering a departure therefrom has been

    14、 obtained from the cognizant Navy design activity prior to manufacture. When alternate materials or methods of manufacture are specified on the drawings, the bidder?s selections shall be clearly stated in the proposal. 3.2 Components. 3.2.1 Primary components. For the purpose of this specification,

    15、the M73 impulse cartridge (Drawing 8594157) is defined as a primary component. Only primary components from a single lot shall be used in a production lot of initiators; however, one primary component production lot may be used in more than one initiator production lot. 3.2.2 Component parts. All co

    16、mponent parts shall meet the applicable requirements of MIL-I- 60522 or MIL-1-82880 prior to assembly. 3.3 Breakaway torque. The chamber and cap of each assembled initiator shall withstand a breakaway torque application of 400 inch-pounds without loosening or deformation (see 4.3.1). 3.4 Residual ma

    17、gnetism. The initiator shall not deflect the indicator of the compass more than five degrees in either direction (see 4.3.2). 3.5 Radiographic examination. Each initiator assembly shall be radiographically examined for defects (see 4.3.3). 3.6 Functional. 3.6.1 Ballistics. Initiators loaded with car

    18、tridges from one accepted lot and temperature conditioned shall perform within the pressure values and delay times (see 6.4.1) specified in table I. Pressure values shall be recorded at the end of 15 feet of aircraft hose, assembly number MS28741-4. 3.6.1.1 Initiation. The initiator shall be fired b

    19、y a source delivering an output pressure of 700 +25, -0 pounds per square inch gage Sig) at 70 however, this does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. 4.1.2 Quality assurance terms and

    20、 definitions. Reference shall be made to MIL-STD-109 to define the quality assurance terms used. 4.1.3 Inspections. Inspections shall be in accordance with MIL-A-2550 and MIL-STD-453. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-I-46576A 999

    21、9906 1985832 177 4.2 Inspection provisions. 4.2.1 Lot. 4.2.1.1 Submission of product. Unless otherwise specified by the contracting activity, formation, and identification of lots shall be in accordance with MIL-STD-105. 4.2.1.2 Size of lot. The production lot size shall be as specified in the contr

    22、act (see 6.2). 4.2.2 Examination. One hundred percent examination shall be performed for all critical defects. Examination for major and minor defects shall be performed in accordance with the classification of defects. Four power (4x) magnification may be used for inspection of such defects as burr

    23、 and foreign matter. When compliance with the applicable requirement is in doubt as a result of visual examination, the characteristic shall be measured or gaged to determine acceptability. All nonconforming material shall be rejected. 4.2.2.1 Cartridge, Drawing 8594157, covering a detail of Drawing

    24、 8596170. Characteristics Defect Critical 1 Mixed cartridges 2 Metal defective Major 101 Foreign matter present Minor 20 1 202 Varnish missing or inadequate Case scratched, wrinkled, bulged, or dented Method of Inspection Visual visual Visual Visual Visual 4.2.2.2 Assembly, Drawing 8596170, less ali

    25、 drawings except Drawings 8593012, 8594744, 8594745, MS28775-009 and MS28775-214. Critical 1 2 3 Firing pin protrusion Shear pin not engaged in firing pin Shear pin setscrew missing Major 101 O-ring not lubricated 102 Burr 103 Foreign matter Gage visual Visual Visual Visual Visual Minor None defined

    26、 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. . - MIL-I-4657bA m 9999906 1985833 003 m 4.2.2.3 Assembly, Drawing 8596170, less all drawings except Drawings 8593012, 8593013, 8594744, 8594745, MS28775-009, and MS28775-214. Critical 1 Cartridge

    27、loose or missing 2 Cartridge retainer loose 3 4 Metering groove of cartridge retainer missing Elongated hole of cartridge retainer missing Major 10 1 Burr 102 Foreign matter Minor None defined 4.2.2.4 Assembly, Drawing 8596170, less MILC-5501/10 and MILC-5501/11. Critical 1 Cartridge retainer positi

    28、on improper 2 Foreign matter in gas port VisuavManual VisuavManual Visual Visual Visual Visual Gage Visual Major 101 Length from firing pin housing boss face to gas port face, max Gage Minor None defined 4.2.2.5 Assembly, Drawing 8596170. Critical 1 2 3 4 Any part missing 5 Improper assembly 6 No ga

    29、p allowed between cartridge retainer and chamber No gap allowed between firing pin housing and cap Shear pin not engaged in firing pin Foreign matter in gas port Major 101 Height of cap, max 102 Cap setscrew missing, loose, or above flush Minor 201 Total length, max 202 Location of marking incorrect

    30、 203 Protective cap or plug missing X-ray X-ray GagelX-ray VisualR-ray Visual/X-ray Visual Gage VisuauManual Gage Vid Visual 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-I-Vb57bA 9999906 1985834 T4T MIL-1-46576A (OS) 4.2.2.6 Box, Fiberboard

    31、 (Inner), Ammunition, Drawing 8796541. Critical None defined Major None defined Minor 20 1 Contents loose 202 Box damaged 203 204 205 Sealing strip broken or missing Marking missing, incorrect, or illegible Cut, damaged, or improperly sealed bag Manual Visual visual Visual Visual 4.2.2.7 Box, Ammuni

    32、tion, Packing, Drawing 8796542. Critical None defined Major None defined Minor 20 1 Contents loose Manual 203 Contents of box exposed Visual 204 Box damaged Visual 205 Marking missing, incorrect, or illegible Visual 206 Number of units incorrect Visual 202 Strapping missing, loose, broken, or improp

    33、erly engaged Vid 4.2.2.8 Box, Fiberboard (Outer), Alternative, Ammunition, Packing, Drawing 9216934. Critical None defined Major None defined Minor 201 202 203 204 205 Contents loose Carton broken or damaged Number of units contained incorrect Marking missing, incorrect, or illegible Tape incomplete

    34、 Marnrawiual Visual Visual Visual Visual 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-4b57bA m 99999Ob 1985835 98b m Temperature (OF) -60 to -70 4.2.3 Inspection testing. The following tests shall be performed in accordance with 4.3. Sampl

    35、e Size 7 4.2.3.1 Breakaway torque. Each assembly shall be subjected to the breakaway torque test of the threaded joint between the cap and the chamber. Failure of any assembly to comply with 3.3 shall be cause for rejection of the assembly. 4.2.3.2 Residual magnetism. Each initiator shall be subject

    36、ed to the test for excessive residual magnetism as specified in 4.3.2. Failure of any initiator to comply with 3.4 shall be cause for rejection of the initiator. 4.2.3.3 Functional tests. The following tests shall be performed by the Government. 4.2.3.3.1 Ballistics. Twenty-one units shall be tested

    37、 to determine compliance with 3.6. The units shall be temperature conditioned as provided in table II and 4.3.4.2. Failure of any unit to comply with 3.6 shall be cause for rejection of the lot. TABLE II. Conditioning temperature. II 195 to 205 I 7 4.2.3.3.2 Retest. There shall be no retests. 4.2.3.

    38、3.3 Test failure. If a test failure is attributable to an assignable cause, excluding the test initiator, the original test results shall be discarded and that test reconducted. 4.3 Test methods and procedures. 4.3.1 Breakaway torque. The torque wrench set as specified in 3.3 shall be used in conjun

    39、ction with a fixture to determine the adequacy of the joints. The chamber shall be secured in an air vise, and the torque shall be applied to the cap. 4.3.2 Residual magnetism. The assembly shall be tested for excessive residual magnetism using an approved compass in an area free of local magnetic e

    40、ffects by placing the assembly 5 inches from the end at the same height as the compass, in the north-south horizontal position (cap end at south) with the compass set in an east-west heading. The assembly shall be moved at a speed no greater than 10 feet per minute past the compass for its entire le

    41、ngth, rotated 90 degrees in the horizontal position about its longitudinal axis, and moved slowly back past the compass. This procedure shall be repeated for each 90 degree rotation of the assembly for four full passes. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without l

    42、icense from IHS-,-,-MIL-I-4657bA M 9999906 1985836 812 M 4.3.3 Radiographic examination. All assembled initiators shall be radiographically examined in accordance with MIL-STD-453, with the exception that an initiator assembly will be used for the penetrameter. Any observable imperfections in compon

    43、ents or assembly shall be cause for rejection. The initiators shall be positioned for the most revealing exposure, with the long axis of each assembly perpendicular to the rays of the X-ray machine. All initiators shall be identified with serial numbers prior to X-ray examination. The serial numbers

    44、 shall be in consecutive order beginning with the number O01 in each production lot. Any missing numbers are to be identified on the X-rays. The initiators shall be arranged on trays or boards in consecutive numerical order, and each radiograph shall carry a permanent identification of the units dis

    45、played thereon. The radiographic plate identification shall include item nomenclature, the complete lot number, the span of serial numbers displayed, and the contract number. The radiographs of the entire production lot shall accompany the ballistic sample to the activity conducting the production l

    46、ot acceptance test. Defective initiators found during X-ray review are to be marked on the X-ray prior to shipment and those defective items shall be removed from the production lot. Film interpretation of the radiographs shall verify the presence and correct positioning of the following parts: a. O

    47、-ring, P/N MS28775-009 b. O-ring, MS28775-214 c. Firing Pin, P/N 8594744 d. Firing Pin Housing, P/N 8593012 e. Retainer, Cartridge, P/N 8593013 f. Cap, Setscrews No. 10 (.190) g. Cartridge, Impulse M73, P/N 8594157 h. Chamber, P/N 8593014 i. Cap, P/N 8595254 4.3.4 Functional. 4.3.4.1 Ballistics. The

    48、 test sample shall be rigidly supported in the fixture and fired by a source delivering an output of 700 +25, -0 psig at the end of 15 feet of aircraft hose, MS28741-4, at 70 I 5F. The sample shall be tested within 5 minutes after removal from the temperature conditioning chamber. When this time lim

    49、it is exceeded, the sample units shall be reconditioned in accordance with 4.3.4.2. Required pressure readings shall be taken as specified in 3.6.1. 4.3.4.2 Temperature conditioning. Each assembled initiator shall be conditioned for not less than 4 hours nor greater than 24 hours. When reconditioning initiators at -60“F, all condensation shall be removed from the exterior surfaces before returning the initiator to the conditioning


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