1、IMfLC-46563A (MU) 31 JANUARY 1963 SUPERSEDING MIL-C-46563(0rd) 9 AUGUST 1961 MILITARY SPECIFICATION CATAPULT, AIRCRAFT E JECTICON SEAT, M3A1 METAL PARTS ASSEMBLY 1. SCOPE 1.1 This is the applicable detail specifica- tion for Catapult, Aircraft Ejection Seat, M3A1, Metal Parts Assembly. The assembly
2、will ultimately be loaded and used in con- junction with other propellant actuated de- vices in aircrew emergency escape systems. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date o$ invitation for bids or re- quest for proposal, form a part of the speci- fication to
3、 the extent specified herein. SPECIFICATIONS MILITARY .MILt-A-2550 - Ammunition and Spe- cial Weapons, Gen- eral Specification for. MIL-1-45208 -Inspection Require- ments, General Specification for, STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for In- spection by Attri- butes. MIL
4、STD-109 - Quality Assurance Terms and Defini- tions. MIL-STD-413 - V is u al Inspecti on Guide for Rubber O-Rings. MIGSTD-639 - Surface Roughness Values Preferred for Army Ordnance Materiel. DRAWINGS MUNITIONS COMMAND F8593636 - Catapult, Aircraft Ejection Seat, M3A1, Metal Parts Assembly. F8797431
5、- Ammunition Contain- er, Fiber M304 or Catapult, Aircraft Ejection Seat, M3A1. - Box, Packing, Ammu- nition for Catapult, Aircraft Ejection Seat, M3A1. F8797432 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-46563A MIL-C46563A (MU) IEL-869363
6、6 - Index to Inspection Equipment List for Catapult, Aircraft Ejectionseat, M3A1, Metal Parts Assembly. (Copies of specifications, standards and drawings required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contr
7、acting officer.) 3. REQUIREMENTS 3.1 General. Materials, parts and assem- blies shall comply with the requirements specified on the applicable drawings, ref- erenced specifications and the following : 3.2 Initial production sample. Unless other- wise directed by the contracting officer, an initial p
8、roduction sample shall .be required. 3.3 Material. The contractor shall be re- sponsible for selecting from the classification list contained in the raw material specifica- tion the surface and physical condition of the raw material intended for use in manu- facture. 3.4 Physical properties. Physica
9、l proper- ties required by the drawing shall be uni- form throughout each part within specified tolerances. Requirements for all alloy steel parts shall be achieved by qenching and tempering. 3.5 Hydrostatic pressure. The components listed below shall withstand the correspond- ing internal pressure
10、as indicated in table I for a period of 16 seconds, minimum, with- out application of any external load and shall show no evidence of leakage or mechanical failure (see 6.1). TABLE I Component Hydrostatic preaeure (psi minimum) Outside Tube 2600 Telescoping Tube 3200 Inside Tube 3200 3.6 Shear pin s
11、trength, After application of protective finish, the pin shall shear when a load of 400 plus or minus 50 pounds is applied at the steady rate of 26 inches per minute. 3.7 Structural strength. The metal parts assembly shall be capable of withstanding each test load for 16 seconds, minimum, as indicat
12、ed in table II, The maximum allow- able change between mounting points, result- ing from each load application shall not ex- ceed the values indicated in table II. A pre- load OP 500 pounds shall be utilized prior to each test load application. TABLE II Test loads (including pre-load) min. Change be
13、tween mounting points, I max. 1. 2000 pounds in tension . 2. 2000 pounds in tension . 3. 8000 pounds in compression . .O05 inches .O01 inches .O05 inches ,001 inches 4. 8000 pounds in compression . 3.8 Metal parts assembly. Parts shall be combined to produce an assembly which con- forms to the requi
14、rements of the metal parts assembly drawing and the following: 3.8.1 :Torque. Torque requirements shall be as specified in table III. No loosening or de- formation shall occur upon application of the breakaway torque. Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
15、se from IHS-,-,-MIL-C-46563A 33 m 7777706 0332774 3 m - - MIEC-46563A (MU) TABLE III Component A B Run-on Seating or bottoming (inch pounds) (including A) (inch pounds) Cap and Outside Tube 75 min, 550 + 50 Triinnion and Outside Tube 75 min. 550 + 50 Spacer and Telescoping Tube Block and Inside Tube
16、 75 min. Stop Ring and Trunnion 75 min. 3.8.1.1 Bottoming torque. The bottoming torque between block and inside tube and between stop ring and trunnion shall not ex- ceed the running torque by more than 50 inch pounds. 3.9 Protective finish. Protective finish shall be in accordance with the applicab
17、le specifi- cation and drawings and shall apply to all surfaces of the component regardless of con- tour configuration. 3.10 Residual magnetism. The metal parts assembly shall not deflect the indicator of the compass more than 3 degrees in either direction when passed in front of the com- pass at a
18、distance of 6 inches. 3.11 Workmanship. The requirements for workmanship are as specified on the appli- cable drawings, referenced specifications and the following : 3.11.1 Metal defects. All components shall be free from cracks, splits, cold shuts, inclu- sions, porosity or any similar defect. 3.11
19、.2 Bzc? No part shall have a bur which might interfere with the assembly or func- tion of the item or which might be injurious to personnel handling the item. 3.11.3 Foreign matter. No part or assem- bly shall contain chips, dirt, grease, rust, corrosion or other foreign matter. 4. QUALITY ASSURANCE
20、 PROVISIONS 4.1 The supplier is responsible for the per- 7 Breakaway c (inch pounde) 400 min. 400 min. 200 min. formance of all inspection requirements as specified herein. Except as otherwise speci- fied, the supplier may utilize his own or any other inspection facilities and services acceptable to
21、 the Government. Inspection records of the examination and tests shall be kept complete and available to the Govern- ment as specified in the contract or order. The Government reserves the right to per- form any of the inspections set forth in the specification where such inspections are deemed nece
22、ssary to assure supplies and services conform to prescribed requirements. 4.1.1 Quality assurame terns and defini- tions. Reference shall be made to MIL-STD- 109 to define the quality assurance terms used, 4.1.2 Inspection. Inspection shall be in ac- cordance with MIL-A-2550 and MILI- 45208, except
23、as specified herein. 4.2 Initial production sample. Prior to the initiation of regular production, the contrac- tor shall submit an initial production sample to a Government approved facility or evalu- ation. The ,sample shall consist a 5 metal parts assemblies, 10 sets of unassembled parts and fift
24、y shear pins from the same lot of shear pins tested by the contractor. The samples shall be subjected to the tests in 4.3.3. Test procedures shall ,be in accordance with 4.4, except as provided in MIL-145208. The sample shall .be manufactured in the same manner, using the same materials, equipment,
25、processes and procedures as will be used in regular production. All parts and materials, including packaging and packing, 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without l
26、icense from IHS-,-,-MILU6563A (MU) 4.3.2.1 Tzcbe, Owtsk, Dwg. D8593638, covering a detail of Dwg. F8593636. Defect Method of inspection Critical Major 1. Meal defective 101. Pitch diameter of thread, min. 102. Major diameter of thread, min. 103. Concentricity of pitch diameter of thread with inside
27、datum diameter 104. Concentricity of pitch diameter of thread with outside datum 106 Diamet-er of body, min. (within specified limit) 106. Diameter of body, min. 107. Diameter inside, Max. 108. Total length, min. 109. Thickness of wall, min, 119. Straightness 111. Length of effective thread, min. 11
28、2. Length of thread, max. 113. Thread damaged or not full 114. Protective finish inadequate or defective 115. Surface finish, improper 116. Bur 117. Foreign matter diameter. Minor 201. Pitch diameter of aread, max. 203. Diameter of body, max. 204. Diameter inside, min. 205. Total length, max. 206, T
29、hread chamfer missing or incorrect 207. 202. Diameter of body, max. (within specified limit;) Marking missing, incorrect or illegible Visual Gage Gage Gage Gam Gage Gage Gage Gage Gage Gage Measure Measure Visual Visual Visual Visual Visual Gage Gage Gage Gage Gage Visual Visual 4.3.2.2 Tube, Outsid
30、e and Pellet Assembly, Dwg. ,C8593639, covering a detail of DZUQ. F8593636. Defect Critical Hajor None defined. 101. Thread damaged 102. Bur. 103. Foreign matter Minor 201, Diameter over top of pellet ;. 202. Location of pellet . 203. Angular location of pellet 204, Pellet missing, loom or improperl
31、y inserted 205, Pellet radius, incorrect Nethod of inspection Visual Visual Visual Gage Gage Gage Manual/Visual Visual 4.3.2.3 Tube, Telescoping, Dzog. D8593640, merhg a detail of Dwg. F8593636. Defect Method of inspection Critical 1, Disimeter of body, Max, Gage . I ., /- - _- - 5 Provided by IHSNo
32、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-Defeco - Method of inspsctbn 2. Holes in large shoulder missing Visual 3. Metal defective Visual 101. Pitch diameter of thread, min. 102. Major diameter of thread, min. 103. Concentricity of pitch diameter of thread wit
33、h body at location 104. Diameter of body, min. 105. Diameter of shoulder, min. . 106. Diameter inside, max. 107. Diameter of body adjacent to shoulder 108. Diameter of thread undercut, min. Major Gage Gage I . 109. Total length, max. 110. Wall thickness variation . 111. Straightness 112. Thread dama
34、ged or not full 113. Number of holes in shoulder, incorrect 114. Protective finish inadequate or defective 115. Surface finish, improper 116. Bur 117. Foreign matter Visual 201, Pitch diameter of thread, max. Gage 202. Diameter of shoulder, max. Gage 203, Diameter inside, min, Gage 204. Total length
35、, min. Gage 205. Diameter of holes in shoulder Measure 206, Length of thread including undercut Measure 207. Length to shoulder Measure 208. Length of body adjacent to shoulder Measure 209. Width of thread undercut, max. Measure 210. Location of holes in shoulder Measure 211. Marking missing, incorr
36、ect or illeglible Minor Visual I 4.3.2.4 Ring, Stop$ Dwg. Ct35936.42, oouerhg a detail of Dwg. F8593636. Deje08 Method of inspectbn Critical Major 1. Dianieter of bore, min. Gage 101. Pitch diameter of thread, min. Gage 102. Major diameter of thread, min. Gage 103. Concentricity of bore with pitch d
37、iameter of thread Gage 104. Concentricity of counterbore with bore Gage 106. Symmetry of width across flats With flange Gage 106. Diameter of thread undercut, min. Gage 107. Length to counterbore Gage 108. Length to datum diameter Gage 109. Length to flange Gage 110. Angle at datum diameter Gage 111
38、. Thread damaged or not full Visual 112. Metal defective Visual 113. Protective finish inadequate or defective Visual 114. Surface finish of bore and chamfer on bore, improper Visual 116. Bur or sharp corner Visual Gage Gage Gage Gage Gage Gage Gage Gage Gage Visual VisuI Visual Visual 116. Foreign
39、matter Visual -7 1 6 f -. i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILC-46563A (MU) Minor 201. 202. 203. 204. 206. 206. 207 208. 209. 210. Defat Pitch diameter of thread, max, Diameter of bore, max. Diameter of counterbore Diameter of flange
40、 Total length Width across flats Width of thread undercut, max. Marking missing, incorrect or illegible Radius or chamfer, missing or incorrect Surface finish, improper, except as otherwise classified Method of 3nspectm Gage Gage Gage Gage Gage Gage Measure Visual Visual Visual 4.3.2.5 Rng, Stop, an
41、d Pellet Assemblg, Dwg. C85936.43, covering a detal of Dwg. P8593636. Defmt Method of inspection Critical Major None defined. 101. Thread damaged 102. Bur. 103. Foreign matter 201. Location of pellet 202. Angular location of pellet 203. Protrusion of pellet over thread 204. Pellet missing, loose or
42、improperly inserted 205. Pellet radius, incorret Minor 4.3.2.6 Latch, Dwg. C8593644, aoveying a detail of Dwg. F8593636. Defect Critical 1. Metal defective Major 101. Diameter of firing pin relief 102, Total length 103. Length to inside surface at small end 104. Length of cutout 106. Width at small
43、end 106. Width at cutout 107. Thickness at datum locations 108. Location of firing pin relief 109. Angle at large end 110 . Protective finish inadequate or defective 111. Surface finish, improper 112. Bur or sharp corner 113. Foreign matter Minor 201. Thickness 202. Thickness at firing pin relief 20
44、3. Width at large end 204. Profile of large end 205. Profile of sides 206. Chamfer on small end at cutout 201. Marking missing, incorrect or illegible Visual Visual Visual Gage Gage Gage Rlanual/Visual Visual Method of inspection Visual Gage Gage Gage Gage Gage Gaffe Gage Gage Gage Visual Visual Vis
45、ual Visual Gage Gage Gage Gage Measure Measure Visual 7 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-C-4b563A 13 777770b 0313000 3 Defect Metho
46、d of inspection Minor 201. Location of pellet Gage 202. Angular location of pellet Gage 203. Protrusion of pellet overthread Gage Manual/Visual 204. Pellet missing, loose or improperly inserted 205. Pell Shock, Daug. B8593652, covering u detail of Dwg. F8593636. Defect Metkod of inspection None defi
47、ned. 101, Tear, crack or split 201. Thickness 202. Flash 203. Foreign matter 4.3.2.14 Pin, Shew, Dwg. B859365.4, cove.l;irYy u detail of Dwg. F8593636. Method of inspection Defect None defined. 101. Diameter, max. 102. Total length, min. 103. Metal defective . 201. Total length, max. 202. Profile of
48、 end . J .- I. Visual Measure Visual Visual Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4,3.2,15 Plug, Dwg. C8593656, coverhg a detait of Dwg. F8593636. Defect Method of inspection Crtical 1. Diameter of boss hole, min. Gage Major 101. Concentric
49、ity of boss hole with cavity 102. Concentricity of ange with cavity 103. Concentricitg o body with flange . 104. True position of thread with flange including perpendicularity with slot ; . 106. Symmetry of slot with cavity 106. True position of pin hole with cavity and slot 107. Diameter of cavity 108. Diameter of flange, min. 109. Depth of cavity, min. 110. Dept
