1、MIL-C -60683(u) 17 February I971 SUPEXSH)%NG FA-PD -1-2688 24 August i965 MILITARY SPECIFICATION CATBPULT, AIRCRAFT EJECTION SEAT: MbAl RE“WACTURED METAL PARTS ASSmLY 1. SCOPE 1.1 This specification covess Catapult, Aircraft Ejection Seat: MkAl, Remanufactured Metal Parts Assembly. and used in conju
2、nction with other propel1an-t actuated devices in aircrew emergency escapa systems. The assembly will ulthately be loaded 1.2 I-bems to be reworked under ihis specification to the remanufactured M4Al Catapult configuration shall be lbited to Catapult, M4Al, P.N., which were previously reworked under
3、 “Project Ny1ok“ and Catapult, M4AL 2, Bgp%iICAl3m DOC-S - 2.1 The foblowing documents of the issue in effect on date of invitation for bids or request for proposal., form a pmt of this specification to the extent specified herein: SPEC IFICAT IONS Military MIL-A-2550 MIL-C -5541 - Ammunition and Sp
4、ecial Weapons, General - Chemical Fiaeis and Chemical Film Material Specification for for Aluminum and Alminh Alloys Military MIL-S%rB-l05 MI93683. 1% new 3.30% .- Torque requirements shall be as specifie in Table I. the breakaway torque. No loosening OF deformatfsn shall occm upon app1ica-bion of 3
5、.3*3.l Bottomin WTd%h of groove, small end 203. Location O% groove at small end 204. Dep%h of smaa ihre& eavfty, max. 285. Radius, chamfer OF both, missing or incorrect 206. Surface finish, improper . 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
6、-MIL-C -60683(u) Defects Methods of Inspection CRITICAL None defined. MAJOR None defined. MINOR 201. Pellet missing, loose or improperly inserted Visual & Manual 4.2.2.8 F8593670. CRITICAL None defined, MAJOR 101, 102. 103. Thread damaged 104. Metal defective 105. 106. Burr or sharp corner 107. Fore
7、ign matter Pitch diameter of thread, min. Major diameter of thread, min. Protective finish inadequate or defective Gage Gwe Visual Visual Visual visual Visual None defined. Wone defined e 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Ma =C! p 606
8、8 3 (MU) 4.2.2.9 (Continued) Defect 8 Methods of Inspection MAJOR None defined. MINOR 201. Pellet missing, loose or improperly inserted Visual. & Manual 4.2.2.10 Spacer, Drawing 8593678 covering a detail of Drawing 8593670 CRITICAL None defined. WOR 101. 102. 103. Thread damaged 104. Metal. defectiv
9、e 105. 106. Burr or sharp corner 107. Foreign matter Pitch diameter of thread, max. Minor diameter of thread, max. Protective finish inadequate or defective MPNOR None defined. 4.2.2.11 Plug, Drawing 8593679 covering a detail of Drawing F8593670 e CRITICAL None defined. WOB 101, Metal defective Visu
10、al 102. Probetive finish inadequate or defective Visual 3-03. Burr OF sharp corner Visual 104. Foreign mattes Visual MINQR Xme defined. Gage Gage Visual Visual Visual Visual Visual 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.2.2.12 Drawing F
11、8593670. Defects CRITICAL None defined. 101. Pitch diameter of thread, min. 102. Major diameter of thread, min. 103. Thread damaged 104. Metal defective 105. 106. Burr 107. Foreign matter Protective finish inadequate or defect ive Methods of Inspection Gage Gage Visual Visual Visual Visual Visual MI
12、NOR None defined. CRITICAL None defined. MAJOR None def5ned. MINOR 20%. Pellet missing, loose or improperly inserted Visual & Manual 4.2.2.14 Tube, Inside, Drawing 8593682 covering a detail of Drawing F85936TO a None defined. Il Provided by IHSNot for ResaleNo reproduction or networking permitted wi
13、thout license from IHS-,-,-4.2.2.14 (Csnt inued) Defects 101. 102 e io3 * i04 e 105 e 106. 107. 3-08. Pitch diameter of thread, min. Major dimeter of thread, min. Thread damaged Metal defective Protective finish inadequate or defective Surface finish inadequate. or defective Burr Foreign matter Gage
14、 Visual Visual Visual Visual Visual Visual MINOR None defined. CRITICAL None defined. None defined. MINOR 201. Pellet missing, losse or improperly inserted Visual& Manual CRITIC& 1. Metal defective MAJOR 101. Pitch dimeter of thread, mm. Gage 102. 103, TIXW dmwea Visual IO$. Protective finish inadeq
15、uate OF defective Visual 10s. Burr Visual 106. Foreign matter Visual Mbor dimeter of thread, max. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Defects Methods o% Inspection None defined 4.2.2 .17 z CRITICAL 1. Metal defective in mounting lugs Visu
16、al WOR 101. 102. 103. Diameter of mounting hole 104. Thread damaged log. Metal defective 106. 107. Burr or sharp corner 108, Foreign matter Pitch diameter of thread, mb. Major dimeter of thread, min. Protective finish inadequate or defective Gage Gage Gage Visual Visual Visual Visual Visual None def
17、ined. None defined. 201. PeMet missing, loose or improperly installed Visual &Manu& CRLTIU Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-, MaI&-C-=60683(MU) 4.2.2.19 (Cont inuad) Defects Methods of Inspection Visual Visual Visual 101 Metal defectiv
18、e 102. Protective finish, inadequate or defective 103. Burr 104. Foreign matter Visual None defined, 4.2.2.20 CRITICAL None defined. %OP. 102. Im?ropes assembly 103 e 104. Thread dElglaged 105. Burr 106. Foreign matter Any part missing, except as otherwise classified “O“ Ring not lubricated Mm0R 201
19、, Shipping plug missing 202. Protective finish inadequate or defective Visual Visua% visual Visual Visual Visual Visua Vfsual Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-bOb83 13 9997906 0430938 B Mn-C-60683( MU) 4.2.2.21 (Continued) Defect
20、s Methods of Inspect9on 201. Contents loose Manual 202. Metal ends loose or distorted Manual 203. Gap between body and cover, max, Visual 204. Cut or damaged through all. impregnated layers Visual 4.2.2.22 CRITIC& none defined. MAJOR None defined, MINOR 201. Contents loose Manual 202. Hwdware missin
21、g, loose, broken or - 203. Strapping missing, loose, broken or improperly engaged Visual and Manual improperly assembled Visual and ManuaJ 204. Contents of box exposed visual 205. Box damaged Visual 206. Marking missing, incorrect or illegible Visual 207. Number of units incorrect Visual 4.2.3 Inspe
22、ction testing.- The following tests shall be performed in accordance with the provisions of 4.3. 4.2.3.1 Hydrostatic pressure.- Each outside, telescoping and inside tube shall be subjected to an internal hydrostatic pressure. any tube to comply with the requirements of 3.2 shall be cause for rejecti
23、on of the tube. Failure OP 4.2.312 Breakaway torque.- A breakaway torque shall be applied to each assembly threaded joint as listed in Table I. to comply with the requirements of Column C, Table I shall be cause for rqj-ection of tihe assembly. Failure of any assembly 4.2.3.3 o- The number: a% -A sg
24、eehens and acceptance criteria for protective finish te&-shafl be in seeordance with the applicable Military Stmdwd- listed on the dlradngs. :* .r Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4 MIL-C-60683 (MU) 4.2.3.4 Residual magnetism,- Each Ca
25、tapult shall be tested for ex- Failure of any assembly to comply with the cessive residual. magnetism. requirements of 3.5 shall be cause for rejection of the catapult. 4.2.4 .- The examination and tests shall be made using equip 593670 4.3 Test methods and procedures. 4.3,1 Hydrostatic pressure,- P
26、rior to the application of protective finish, the outside, telescoping and inside tubes shall be mounted individ- ually in the device and subjected to the internal device used shall internally seal the tube within l inches from each end without applying any axail load other than that applied by the
27、liquid pressure. drostatic pressme. The 9 4.3.2 Breakaway torque.- A torque wrench set at the torque requirements specified in 3.3.3 shall be used to determinethe adequacy of the joints, The assembly shall. be secured in the fixture prior to application of the torque. 4.3.3 Protective finish, replat
28、ed components. = Test procedures for protective finish shall. be in accordance with the applicable Military B-bandard referenced on the drawing. 4.3.4 Residual magnetism.- The catapult shall be tested for excessive residual magnetism using an approved compass type m-5766, in an area free of local ma
29、gnetic effects by placing the catapult 6 inches from and at the sme height, as the compass, in a north-south horizontal position (tube stop ring end at south) with the compass set in an east-west heading. The cata- pult shall be moved slowly past the compass in a longitudinal direction for its entir
30、e length, rotated 90 degrees in the horizontal position about its longitudinal &xis and moved slow.ly back past the compass. shall be repeated for each 90 degree rotation of the catapuit. This procedure 5.1 - Packing and masking shall be bn accordmce with Dr ._ . 797384 i6 Provided by IHSNot for Res
31、aleNo reproduction or networking permitted without license from IHS-,-,-MIb-C-bBb83 13 997elelUb 04I3c1132 a, MIL -c -60683 (MU) 6. NOTES 6.1 Ordering data.- Procurement documents should specify the title, number and date of this specification. 6.2 A mechanical failuse is defined as any deformation
32、or breakage of a part, the occurence of which is other than a design function. 6.3 Ring, tube stop.- Tube stop rings which do not contain the .o65 + .O10 groove on body at-internal threaded end shall be modified in accordance with Figure 1 o 6.4 Protective finish. 6.4,a Exterior steel. components.-
33、Remanufactured exterior steel com- ponents (cap, compression ring and stop ring) shaM have the existing protective finish stripped and the specified protective finish re-applied. 6.4.2 Tube, outside.- Remanufactured aluminum outside tube shall have either the exterior surfaces or the entire componen
34、t stripped of the existing protective finish and the specified protective finish re-applied. 6.4.3 Ring, tube stop.- Remanufactured aluminum tube stop ring shall have either the exterior surfaces, excluding the external thread, or-the entire component stripped of the existing protective finish and t
35、he speci- fied protective finish re-applied. 6.4.4 Block.- Remanufactured aluminum block shall have the existing P protective finish stripped and the specified protective finish re-applied on all surfaces of the rectangular section only, including the adjacent surfaces right angle to the rectangular
36、 section and mounting hole, and excluding the i/8 pipe thread and all other internal surfaces. 6.4.5 Exposure of base metal on all other aluminum components and surfaces shall be treated with a Chemical Fib, Grade A or B, Class 1, m-c-5541. 6.5 When remanufacturing and loading of assembly ase perfor
37、med by the smeafm.ility, the-reqirements of 3.3.3.1 are waived and the residual magnetism requirement specified in 3.5 performed on the loaded assembly only. 6.6 Aal componentis containing nylon pellets in which the existing poteetive finish is stripped and protective finish re-applied shall con- $&
38、in new nylon pellets in accordance with the applicable drawing. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-rl%b-6-6UL83 13 977Ob 0430933 3 Q P MIL-c-60683 (MU) 6.7 Supersession data. - This specification includes the requirements of Pinchase Des
39、cription FA-9-MI-2688 dated 24 August 1965. Custodian: amny-m Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-6-60683 I13 7999706 093073q 5 I MIE-C -60683 (MU) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
