1、MIL-T-60236 13 W 9777706 0336803 2 MIL-T-60236 (MU) 3 September 1965 SUPERSEDING FA-PD-MI-2408, Rev. 1 2 December 1960 MILITARY SPEC IF ICATION THRUSTER, CARTRIDGE ACTLTATED, M18, METAL PARTS ASSEMBLY FOR 1. SCOPE 1.1 This specification covers Thruster, Cartridge Actuated, M18, Metal Parts Assembly.
2、 conjunction with other propellant actuated devices in aircrew emergency systems. The assembly will ultimately be loaded and used in I 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invita- tion for bids or request for proposal form a part of this specification
3、 to the extent specified herein: SPECIFICATION Military MIL-A-2550 - Ammunition and Special Weapons, General Specification For STANDARDS Military MIL-STD-105 - Sampling Procedures and Tables for Inspection MIL-STD-109 - Quality Assurance Terms and Definitions MIL-STD-413 - Visual Inspection Guide fo
4、r Rubber the head shall withstand a constant internal pressure of 9500 psi, minimum; for 15 seconds, minimum, without application of any external load and shall show no evidence of leakage or mechanical failure (see 6.1). 3.6 Shear pin strength.- After application of protective finish, the pin shall
5、 shear when a load of 41 pounds, plus or minus 5 pounds is applied at the steady rate of 0.125 inch per minute. 3.7 Metal parts assembly.- Parts shall be combined to produce an assembly which conforms to the requirements of the assembly drawing (less cartridge) and the following : 3.7.1 3.7.2 The he
6、ad subassembly shall be assembled to the body handtight. Torque.- Torque requirements shall be as specified in Table I. No movement or deformation shall occur upon application of the breakaway torque. Table I Components Seating or Bottoming Breakaway (inch pounds) (inch pounds) Body and Cap 600 3. 2
7、0 400 min. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-T-60236 13 = 7777706 0336805 6 MIL-T-60236 (MU) 3.8 Protective finish.- Protective finish shall be in accordance with the applicable specifications and drawings and shall apply to all
8、surfaces of ponent regardless of contour configuration. 3.9 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 compass at a distance of 6 inches. 3.10 Workmanship.- The requirements for work
9、manship are as specified on the applicable drawings, referenced specifications and the following: 3.10.1 Metal defects.- All components shall be free from cracks, splits, . cold shuts, inclusions, porosity or other metal defect, 3.10.2 Threads.- Threads shall be full and undamaged.for the entire min
10、imum length or depth a8 required by the applicable drawings and the provi- sions of MIL-A-2550. 3.10.3 E.- No part shall have a burr which dght interfere with the assembly or function of the item or which might be injurious to personnel handling the item. 3.10.4 Foreign matter.- No part or assembly
11、shall contain chips, dirt, grease, 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 supplier is responsible for the perform- ance of all inspection requirements as specified
12、 herein. specified, the supplier may utilize his own facilities or any commercial laboratory acceptable to the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services co
13、nform to prescribed requirements. Except as otherwise 4.1.1 Quality assurance terms and definitions.- Reference shall be made to MIL-STD-109 to define the quality assurance terms used. 4.1.2 Inspection.- inspection shall be in accordance with MIL-A-2550, except as specified herein. 4.2 Initial produ
14、ction sample.- At the beginning of regular production, the contractor shall submit an initial production sample to a Government approved facility for evaluation. assemblies, 10 sets of parts, and 50 shear pins from the same lot of shear pins tested by the contractor. The samples shall be subjected t
15、o the tests in 4.3.3. Test procedures shall be in accordance with 4.4. be manufactured in the same manner, using the same materials, equipment, The sample shall consist of 5 metal parts The sample shall 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
16、-,-MIL-T-60236 (MU) 4.2 (cont) processes and procedures as will be used in regular production. All parts and materials, including packaging and packing, must be the same as will be used in regular production and shall of supply. The contractor shall inspect the sample in accordance with his inspecti
17、on system. After inspection and provis,ional acceptance at source, the initial production sample shall be inspected at the Government approved facility for all requirements of the drawings and specifications. The Government reserves the right to require new initial production samples until such time
18、 as an acceptable sample is submitted. be obtained from the same source 4.3 inspection provisions. 4.3.1 E. 4.3.1.1 Submitiision of product.- The product shall be submitted in accordance with MIL- STD- 105. 4.3.1.2 Size of lot.- For the purpose of identification and shipment the shipping lots of met
19、al parts assemblies shall consist of 323 thrusters, maximum, provided the homogeneity requirements of inspection lots have been retained. officer . A smaller lot may be shipped upon approval of the contracting 4.3.2 8xamination.- One hundred percent examination shall be performed for all critical de
20、fects. be performed on a defect basis in accordance with the classification of defects contained herein, using the sampling plans and criteria in Tables II and III. For an individual defect (single characteristic) the criteria in Table II shall be used. the criteria in Table III: shall be used. All
21、nonconforming material shall be rejected. Inspection for “O“ rings shall be in accordance with ICCL-STD-413. The Ordnance Standard Finish Blocks prescribed in MIL-STD-639 shall be used as a basis of comparison for surface roughness determination. Four power (4X) magnification may be used in performi
22、ng visual examination for such defects as burrs and foreign matter. Examination for major and minor defects shall For total defects within a major or minor group Table II Lot Size 1- 300 301- 1300 1301- 3200 3201- 8000 8001-22000 4 Sample Size 100% Examination 110 150 225 300 Major Minor Accept Rene
23、ct Accept Reject - - - - 1 2 2 3 2 3 3 4 3 4 4 5 4 5 5 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-60236 13 H 7779706 0336807 T 4.3-2 (Cont) ?AIL-T-60236 (MU) Table III Total Allowable Defects per Sample Size Sample Sizes for Major Defect
24、s No. of Defects in Class 2- 3 4- 7 8-19 20-43 over 43 Sample Sizes for Minor Defects 2- 3 4- 7 8- 16 17-48 No. of Defects in Class over 48 110 1 2 3 4 6 110 2 3 4 6 8 150 2 3 4 5 8 150 3 4 5 8 11 225 300 3 4 4 5 5 7 8 10 11 14 225 300 4 5 5 7 8 10 11 14 17 20 . 4.3.2.1 Seal, Drawing I38596445 cover
25、ing a detail of Drawing F8597515. Defect CRITICAL None defined. MAJOR 101. Inside diameter 102. Outside diameter 103, Thickness Method of Inspection MINOR 201. Material defective Visual 202. Foreign matter Visua 1 4.3.2.2 Cap, Drawing D8597500 covering a detail of Drawing F8597515. CRITICAL None def
26、ined. MAJOR 101. Pitch diameter of internal thread, max. 102. Minor diameter of internal thread, max. 103. Pitch diameter of external thread, min. 104. Major diameter of external thread, min. 105. Concentricity of pitch diameter of internal thread with midsection inside diameter Gage Gage Gage Gage
27、Gage 5 - i-. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.3.2.2 106. 107. 108. 109. 110. 111. 112. 113. 114. 115. 116. 117. 118. (Cont) MAJOR Concentricity of small inside bore with midsection inside diameter Perpendicularity of interna2 midsect
28、ion face with midsection inside diameter Inside diameter of midsection Small inside diameter Depth to bottom of midsection inside Depth to bottom of threaded diameter Internal thread undercut diameter Chamfer at midsection internal diameter, Metal defective Protective finish inadequate or defective
29、Surface finish of midsection internal diameter and small internal diameter, incorrect Defect diameter, max. incorsec t Burrs or sharp corners Foreign matter MINOR. 201. 202. 203. 204. 205. 206. 207. 208. 209. 210. Pitch diameter of internal thread, min. Pitch diameter of external thread, max. Inside
30、 diameter small end of body Diameter of external thread undercut Diameter of body large end Depth to bottom of midsection internal Length of body small end Total length Width across flats Outside diameter of body, small end diameter, min. 211. 212. Width of internal thread undercut 213. Width of ext
31、ernal thread undercut 214. Location of external thread undercut 215. Location of flats 216. Radius or chamfers, incorrect 217. Radius or chamfers missing, except as otherwise classified 218. Surface finish incorrect, except as otherwise class if ied 219. Part number missing, incorrect or illegible D
32、epth of inside diamete; small end of body Method of Inspection Gage Gage Gage Gage Gage Gag e Gage Gage Visual Visual Visual Visual Visual Gage Gage Gage Gage Gage Gage Gage . Gage Gage Gage Gage Gage Gage Gage Gage Gage Visual Visua Visual. 6 Provided by IHSNot for ResaleNo reproduction or networki
33、ng permitted without license from IHS-,-,-MIL-T-60236 (MU) 4.3.2.3 Disc, Shear, Drawing B8597501 covering a detail of Drawing F8597515. Defect CRITICAL None defined. Method of Inspection MAJOR 101. Thickness 102. Diameter of hole, max. 103. 104. Metal defective 105. Foreign matter Concentricity of h
34、ole with outside - diameter Gage Gage Gage Visual Visual MINOR 201. Outside diameter 202. Diameter of hole, min. Gage Gage 4.3.2.4 Disc, Shear (Front), Drawing B8597502 covering a detail of Drawing F8597515. CRITICAL None defined. MAJOR 101. Diameter of hole, max. 102. Thickness 103. Total width 104
35、. Metal defective 105. Burr 106. Foreign matter Gage Gage Gage Visual Visual Visual MINOR 201. Diameter of hole, min. 202. Outside diameter 203. Surface finish incorrect Gage Gag e Visual 4.3.2.5 Head, Drawing F8597503 covering a detail of Drawing F8597515. CRITICAL None defined. MAJOR 101. 102. 103
36、. 104. 105. 106. 107. Pitch diameter of external thread, min. Gage Major diameter of external thread, min. Gage Pitch diameter of small internal thread, max. Gage Minor diameter of small internal thread, rnax. Gage Pitch diameter of large internal thread, max. Gage Minor diameter of large internal t
37、hread, max. Gage Concentricity of midsection inside dameter with long inside diameter Gage .7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-bo236 13 = 7779706 0336830 MIL-T-60236 (MU) 4.3 2.5 08. 109. 110. 111. 112. 113. 114, 115. 116. 117. 1
38、18, 119. 120. 121. 122. 123. 124. 125. 126. 127. 128. 129 + 130. 131. MINOR 201. 202 q 203. 204. 205. 206. 207. 208. 209. 210. 8 (Cont) MAJOR Defect with long inside diameter long inside diameter inside diameter Concentricity of large internal thread Concentricity of internal boss with True position
39、 of shear pin hole to long Diameter of internal boss Long inside diameter Diameter of shear pin hole Midsection inside diameter Diameter of counterbore, small end Length of small internal thread, max. Effective length of small internal Ghread, Location of shear pin hole Effective length of large int
40、ernal thread, Height of internal boss Small inside diameter Depth of counterbore, small end Depth to small diameter, small end Diameter of flare angle, small end Angle of chamfer, front of counterbore, Angle of chamfer, small internai thread Threads damaged Protective finish inadequate or Surface fi
41、nish on counterbore and min. min. small end defective chamfers, small end, long inside diameter and midsection inside diameter, incorrect Burrs or sharp corners Foreign matter Pitch diameter of external thread, max. Pitch diameter of small internal thread, Pitch diameter of large internal thread, Pi
42、tch diameter of set screw thread Minor diameter of set screw thread, piax. Outside diameter body, large end Outside diameter of shoulder, large end Outside diameter of midsection Outside diameter of shoulder where shear pin hole is located . Inside diameter of large thread undercut, max . min. min.
43、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-60236 113 m 9999906 033681111 I m 4.3.2.5 (Cont) MINOR MIL-T-60236 (MU) Defect bfethod of Inspection 211. 212. 213. 214. 215. 216. 217, 218. 219. 220. 221. 222. 223 224. 225. 226. 227. 228. 229. 2
44、30. 231. 232. 233. Depth to bottom of long inside diameter Depth to bottom of internal boss Depth to midsection inside diameter, Depth of set: screw hole, max. Length of effective thread, min, in Length from small outside shoulder to Outside diameter of midsection Depth to small inside thread Depth
45、of mounting cutout Total length Length to large body Length to large shoulder Length to shear pin hole shoulder Width across flats Width of mounting cutout Width of external undercut Width of internal undercut, max. Location of flat Radius or chamfers incorrect Radius or chamfers missing Surface fin
46、ish incorrect, except as Part number missing, incorrect or illegible Part number not applied prior to protective small end shear pin hole large outside shoulder otherwise classified finish Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Visual Visual Vi
47、sual Visual 4.3.2.6 Pin, Firing, Drawing C8597504 covering a detail of Drawing F8597515. CRITICAL None defined, MAJOR 101. 102. 103. 104. 105. 106. 107. 108. 109. 110. 111. Concentricity of striker with large body Concentricity of small body with large body Concentricity of groove with large body Pe
48、rpendicularity of striker face with large True position of pin hole with large body Diameter of pin hole, max. Diameter of striker Diameter of body small end, max. Diameter of body large end, min. Diameter of groove Depth of pin hole, max. body Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage Gag e
49、 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MZL-T-60236 (MU) 4.3.2.6 (Cont) MAJOR Defect Method of Inspection 112. Length of striker Gage 113. Location of pin hole Gage 114. Profile of groove Gag e 115. Metal defective Visual 116. Surface finish of body Visual 117. Burrs or sharp comers Visual 118. Foreign matter Visual 201. Diameter of body, large end, max.
