1、MIL-F-50b74 13 H 777770b OLI26705 3 MIL-F- 50694( MU) 18 November 1970 MILITARY SPECIFICATION FIRING MECHANISM, CARTRIDGE ACTUATED, 29378-1 REDWLII?ACTm METAL PARTS ASSEMBLY 1. SCOPE - 1.1 This specification covers Firing Mechanisms P/N 29378-1. The assembly will be ultimately loaded and used to act
2、uate the canopy counter- balance jettison and cinch-down cylinder assembly in the TF102 Aircraft. 2. APPLICABLE DOCUMENTS 2.1 The following documents ofthe issue in effect on date of invitation for bids or request for proposal form a part of this specification to the extent specified herein. SPECIFI
3、CATION Military MIL-A-2550 - Amnunition and Special Weapons, General Specification for S- Military MIL-STD-I05 MIL-STD-109 MIL-STD-413 - Sampling Procedures and Tables for Inspection - Quality Assurance Terms and Definitions - Visual Inspection Guide for Rubber O-Rings by Attributes DRAWINGS Munitio
4、ns Coimiend L. Cg224217 Cg224720 IEL29378-1 - Container, Anmunition, Fiber for Firing - Box, Packing, Amnunition, for Firing - Inspection Equipment List for Firing Mechanism Assembly, P/N 29378-1 Mechanism Assembly, P/N 29378-1 Mechanism, Cartritige Actuated, 29378-1 Assembly - ._- y eeg Industries
5、Code Ident. No. 12116) 29378-1 - Fira Mechanism, Cartridge Actuated, Assembly FSC 1377 1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_I_ MIL-F-50674 13 m 7777706 0426706 5 m 1L-F-50694( MU) (Copies of specifications , standards connection with
6、specific procurement procuring activity or as directed by and drawings required by suppliers in functions should be obtained from the the contracting officer,) 2.2 Other publications - The following document forms a part of this specification to the extent specified herein. the issue in effect on da
7、te of invitation for bid or request for proposal shall apply: Unless otherwise indicated, ASA 46.1 - Surface Texture (Application for copies should be addressed to the American Standards Association, 10 East 40th Street, New York, N.Y. 10016). 3. REQUIREMENTS 3.1 General - Materials, parts and assem
8、blies shall comply with.the requirements specified on the applicable drawings, referenced specifications and the following: 3.2. Material - The contractor shall be responsible for selecting from the classification list contained in the raw material intended for use in manufacture. 3.3 Mechanical pro
9、perties - Mechanical properties required by the drawing shall be uniform throughout the part within specified tolerances. Requirements for ali steel parts shall be achieved by quenching and tempering. 3.4 Metal parts assembly - Parts shall be combined to produce an assembly which conforms to the req
10、uirements of the metal parts assembly drawing and the - following: 3.4.1 The remanufactured Firing Mechanism metal parts assembly contain new parts in accordance with Table I: shall TAHLE I Pin, Shear O-Ring Set Screw P TAEE III Total Allowable Defects Per Sample Size Sample Sizes for Major Defects
11、Number of Defects in Class 2 - 3. 4- 7 8 - i9 20 - 43 Over 43 Sample Sizes for Major Defects Number of Defects in Class 2- 3 4- 7 8 - 16 17 - 48 Over 48 - 110 - 150 - 225 1 2 3 4 5 8 2 3 4 5 6 8 11 ; i50 . 225 - - 110 - 2 3 4 3 4 5 4 5 8 6 a 11 8 11 17 - 300 4 5 7 10 i4 5 7 10 i4 20 4 Provided by IH
12、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-50694 13 M 7997906 0426709 O W -. MIL-F -5C694( M ) 4.2.2.3 Head, Drawing 29308-1 covering a detail of Drawing 29378-1 Detail CRITICAL Method of Inspection None defined MAJOR 101 . 102. 103 . . . 104. 105. i06
13、 107. . 108. log u0 . 1ll. 112. Pitch diameter of large thread Major diameter of large thread Pitch diameter of small thread Major diameter of small thread Pitch diameter of set screw thread Major diameter of set screw thread Shear pin hole Metal defect ive Protective finish inadequate or defective
14、 Surface finish improper Burr Foreign matter Gage Gage Gage Gage Gage Gage Gage Visual Visual visual Visual Visual MINOR None defined 4.2.2.4 Chamber, Drawing 29309-0 covering a detail of Drawing 29378-1 CRITICAL None defined MAJOR 101. . 102. 103 . 104. i05 106. 107. , 108. W. 110. Pitch diameter o
15、f large thread Minor diameter of large thread Pitch diameter of small thread Minor diameter of small thread Thread damaged Metal defective Protective finish inadequate or Surf ace finish improper BW Foreign matter Gage Gage Gage Gage Visual Visual defect ive Visual visual visual ViSuaJ MINOR None de
16、fined 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-50694 33 m 7799906 0426730 7 m m-F-50694( MU) 4.2.2.5 Container, Ammunition, Fiber, Drawing Cg224217 Defect 1 CRITICAL None defined MAJOR None defined MINOR 201. 202. 203. 204, 205. 206. 2
17、08. 207 Gap between body and cover, max. Contents loose Metal ends loose or distorted Cut or damaged through all impregnated layers Marking, missing, incorrect or illegible Tape incomplete or badly wrinkled Length of tear tab, min. Color of tape incorrect Method of Inspection Manual Manual Manual Vi
18、 sua1 Visual Visual Visual Visual 4.2.2.6 Box, Packing, Amunition, Drawing C9224720 CRITICAL None defihed MAJOR None defined MINOR 201. Contents loose Manual 202. 203. Hardware missing, loose, broken or improperly engaged Manual and Visual Strapping missing, loose, broken or improperly as sembled Ma
19、nual and Visual 4.2.3 Inspection - The following tests shall be performed in accordance with 4.3. 4.2.3.1 Protective finish, replated components - The number of specimens and acceptance criteria for protective finish shall be in accordance with the applicable military standard for the type of protec
20、tive finish utilized in the rebuild process. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-j. . MIL-F -50694( MU) 4.2.3.2 Residualmagnetism - Each assembly shall be subjected to the test for excessive residual magnetism. Failure of any assembly t
21、o comply with the requirements of 3.6 shall be cause for rejection of the assembly. 4.2.4 Inspection equipment - The examination and tests shall be made using equipment approved by the Government. 4.3 Test methods and procedures 4.3.1 Protective finish, replated cmponents - Test procedures for pro-
22、tective finish shall be in accordance with the applicable military standards for the type of protective finish utilized in the rebuild process; 4.3.2 Residual magn etism - The assembly shall be tested for excessive . residual mgnetism, in an area free of local magnetic effects, by placing the assemb
23、ly six inches frm and at the same height as the compass in a north-south horizontal position (head end at south) with the compass set in an east-west heading. in a longitudinal direction for its entire length, rotated 90 degrees in the horiSonta1 position .about its longitudinal axis and moved slowl
24、y past the compass. firihg mechanism. The assembly shall be moved slowly past the compass This procedure sha.llbe repeated for each 90 degree rotation of the 5. PREPARATION FOR DELIVERY 5.1 Packing and marking - Level A - Packing and marking shall be in accordance with drawings Cg224217 and C9224720
25、 6. NOTES .- 6.1 Ordering data - Procurement documents should specify the title, number, and date of this specification. 6.2 A “mechanical failure“ is defined as any deformation or breakage of a part, the occurrence of which is other than a design function. 6.3 Remanufactured exterior components ar
26、e listed in Tabe IV: TABLE IV Name of Part Past Number Head Chamber 293084 29309-0 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-50679 13 W 777770b 0926732 O B m-F-50694( MU) 6.4 When remanufacturing and loading of assembly is performed in
27、an integrated plant, the metal. parts assembly requirement may be waived and the residual magnetism requirement performsd on the loaded assembly only, Custodian: Preparing activity: Army - MU - (FA) Project No. 1377-Ak13 *U.S. GOVERNMENT PRINTING OF FICE: 1970- 433-89313074 a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
