1、MILITARY SPECIFICATION CATAPULT, AIRCRILFT EJECTION SEAT: CKtJ-!j/A/A REWORX ASSEMBLY This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and agencies of the Department of Defense. I SCOPE 1.1 Scope. This specif
2、ication establishes the requirement for the refurbishment of the CK-S/A/A and CK-5/A rocket catapults which includes renovation of salvageable hardware, regraining, and replacement of non-repairable components. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. Unl
3、ess otherwise specified, the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DODISS) specified in the solicitation form a part of this specification to the extent specified herein. SPECIFICATIONS PIIILITARY
4、MIL-C-82733 Cartridge, Impulse, CCU-22/A/A Assembly MIL-C-82734 STANDARDS MILITARY MIL-STD-413 KI L-S TD- 4 5 3 Catapult, Aircraft Ejection Seat, CK-5/A/A Assembly Visual Inspection Guide for Elastomeric O-Rings Inspection, Radiographic 1.iSI 7983 Compass-Magnetic, Pilots Standby Beneficial comments
5、 (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer, Naval Ordnance Station Standardiaation/Documentation Division ( 5241, Indian Head, MD by ushg the self-addressed Standardization Document Improve
6、ment Proposal (DD Form 1426) appearing at the end of this document or by letter. 20640 - I : -2 I. , , . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.1.2 Other Government documents, drawings, and publications. The following other Government docu
7、ments, drawings, and publications form a part of this spec- ification to the extent specified herein. DRAWINGS Naval Sea Systems Command (Code Ident 53711 ) DL 5184322 PL 5184328 Catapult, Aircraft Ejection Seat, CK-S/A/A Assembly Catapult, Aircraft Ejection Seat, CKlJ-5/A/A Metal Parts Assembly 52
8、8431 9 Tube, Booster 51 84322 Catapult, Aircraft Ejection Seat, CK-S/A/A Assembly 51 84323 51 84328 Cartridge, Impulse, CCU-22/A/A Assembly Catapult, Aircraft Ejection Seat CKU-5/A/A Metal Parts Assembly (Copies of specifications, standards, drawings, and publications required by manufacturers in co
9、nnection with specific procurement functions should be obtained from the contracting activity or as directed by the contracting officer). 2.2 Other publications. The following document forms a part of this specification to the extent specified herein. DOD shall be issued as listed in the current DOD
10、ISS and the supplement thereto, if applicable. The issue of the document which is indicated as MlERICAN NATIONAL STANDARDS INSTITIITE (ANSI ) B46.1-78 (Application for copies should be addressed to the American National Standards Surface Texture (Surface Roughness, Waviness and Lay) Institute (ANSI)
11、, I430 Broadway, New York, N.Y. 10018). 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. 3. REQUIREMENTS 3.1 First article. inspection (see 4.3). Wen specified, a sample s
12、hall be subject to first article 3.2 Conformance to documents. Materials, parts and assemblies, reclaimed and new, shall comply with the requirements specified on DL 5184322, applicable drawings, and referenced documents. 2 / Provided by IHSNot for ResaleNo reproduction or networking permitted witho
13、ut license from IHS-,-,-MIL-C-82735 13 0b 03b2767 O MIL-C- 82735 ( OS) 3.3 Catapult receipt, inspection, and disposition. The following procedures 3.3. I Government furnished material. Government furnished material (GFM) shall be inspected during the disassembly process to ascertain reclaimable comp
14、onents are not damaged. shall be followed: * 3.3.2 Reuseable components. The components listed in TABLE I are expected to have a 90 percent recovery rate and be retained for modification and/or reuse. TABLE I. Reusable components. Component Number required Drawing/part number I/ Tang - I/ Breech - N
15、ozzle Tube, Booster Tube, Launcher, Tube, Motor Plug, Breech Tube Assy I I 726657 I 1744253 11 743979 I 1743978 I I 726656 I I 726800 I 7726650 51 8431 5 I1 744249 - Repair threads as necessary 3.3.3 New components. The reworked catapult assembly shall cor:tain new components as listed in TABLE II.
16、* TABLE II. Required new components. Component Number required Screw I O-ring I O-ring 4 O-ring 2 O-ring I O- ring 2 O-ring I O-ring I O-ring 4 Set Screw, Hexagon Socket I Set Screw, Hexagon Socket I CUP I Seal I Pin 2 Cap, Protective I Lockwire 2 Pin, Spring 2 Spring, Tang I Retainer I Head I O-rin
17、g As Required 3.3.3.1 Nozzle. Nozzles conforming to Dwg. revisions may be used in the rework assembly. Ref er en ce/Dr awing MS35266-79 988AS150-2 (AS568-010)MS29513-01 0 988ASI 50-2 (AS568-02O)MS29513-020 988ASl50-2 (ASj68-024)MS29513-024 988ASl50-2 (AS568-OI4)29513-014 988AS150-7 (AS568-228)ZZR-76
18、%-228 988AS150-2 (AS568-026)MS-29513-026 988Asi 50-2 (As568-i 20)MS-29513-120 988150-2 (AS568-022)MS29513-022 MS28788-4 Ifs51 963-37 1 1726799 I i726798 I 1744252 I 1740596 11 735367 1 1726660 I 1744248 I 1744255 MS51963-34 MSI 71 522 I1 743978 revision (E) and subsequent All others must be replaced
19、. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-82735 13 = 777790b 03b2768 2 I/ MIL-C- 82735 ( OS) 3.3.3.2 - Cartridge Assembly. The cartridge assembly shall be manufactured in accordance with Dwg. 5184323 and shall comply with the requiremen
20、ts of MIL-C- 82733. prior to the contract scheduled delivery date for the catapult assembly lot shall be installed in the CKU-5/A/A rework assembly (Dwg. 5184322). Only new CCU-22/A/A impulse cartridges manufactured within 12 months 3.3.4 Propellant, The propellant used shall be manufactured within
21、I50 days of the contract scheduled delivery date for the reworked catapult assembly lot. 3.3.5 Modified components. Conversion of CK-5/A catapults and CKU-5/A/A catapults to the latest CKshall not be loosened or deformed when subjected to a break- away torque of 200 inch-pounds. function without mec
22、hanical failure and shall meet the ballistic requirements of 3.8 Ballistics. The catapult, loaded with acceptable explosive components, shall MIL-C- 82734 3.9 Radiogrzhic requirements. Each loaded rocket catapult shall be radiograph- ically inspected for the presence, condition, and correct placemen
23、t of internal component s. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-rr MIL-C-82735 13 m 7777706 03627b7 4 M MIL-C-82735( OS) 3.10 Workmanship. The workmanship shall be that required by the applicable . drawings, referenced specifications and t
24、he best industrial practices governing the quality production of interchangeable parts for maintaining the dimensions, finishes, tolerances, and quality specified herein. All components and assemblies shall be free from burrs, contamination, corrosion, sharp edges, or foreign material which could re
25、sult in malfunction of the unit or components, or be a safety hazard in handling. 4. QUALITY ASSURANCE PROVISIONS 4. I Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as spec
26、ified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any o
27、f the inspec- tions set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4,2 Classification of inspections. The inspection requirements specified herein are classified as follows: a. b. First article inspection
28、 (see 4.3). Quality conformance inspection (see 4.4) 4.2.1 Inspection conditions. Unless otherwise specified (see 6.2) all inspec- 0 tions shall be performed under tihe following conditions: a, Temperature: Room ambient 65 to 95F b. Altitude: Normal ground c. Vibration: Not applicable d. Humidity: R
29、oom ambient to 95 percent relabive, maximum 4.3 First article inspection. Unless otherwise specified in the contract (see 6.2), a first article sample shall be subjected to and shall meet all the first article quality assurance provisions and requirements specified in MIL-C-82734. 4.4 Quality confor
30、mance inspection. The quality conformance inspection shall consist of the examinations of 4.5 and the tests of 4.6 performed on samples - selected in accordance with 4.4.2 and 4.4.3, respectively. shall consist of 360 rocket catapults, maximwn, exclusive of test samples, provided the homogeneity of
31、+he mariuf acturjng process has been retained throughout the inspection lot unless otherwise specified (see 6.2) - 4,4.1 Lot size. For the purpose of identification and shipment, a shipping lot 4.4. I. I Identification marking for breech. Unless otherwise specified (see 6.2), each breech shall have
32、the previous serial number stamped out and a new serial number engraved on the bottom side of the breech. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-2735 13 7777706 03b2770 O MIL- C- 82 7 35 (OS ) 4.4.2 Sampling for exam!.nal;ions. One h
33、undred percent examination shall be performed for all critical defects. be in accordance with TABLE IV. Saapling for major and minor defects shall Lot size TABLE IV. Sampling plan add individualdefect criteria. Sample size 1-50 i 00% examination 51 -90 50 91 -1 50 60 I 51 -280 75 281 -360 95 Major M
34、inor Accept Reject Accept Reject o1 I 2 O1 2 3 1 2 3 4 I 2 5 6 23 .7 8 4.4.3 Sampling for tests. Sampling for tests shall be in accordance with the following: 4.4.3.1 Hydrostatic pressure. All units of eacb component listed in TABLE III shall be subjected to the internal hydrostatic pressure test of
35、 4.6. I. 4.4.3.2 Protective finish. The number of specimens and acceptable criteria for projective finish tests shall be in accordance with the applicable documents listed - n the drawings (see 4.6.2). 4.4.3.3 Residual magnetism. residiial magnetism test of 4.6.3. All catapult assemblies -shall be s
36、ubjected to the 4.4.3.4 Breakaway torque. Each booster tube and breech assembly shall be subjected 4.4.3.5 Ballistics. Sampling for, and lot rejection resulting from, the ballistics to the breakaway torque test of 4.6.4. test of 4.6.5 shall. be as specified in MIL-C-82734. 4.4.3.6 Radiographic inspe
37、ction. All catapult assemblies shall be subjected to the radiographic inspection of 4.6.6. All failures shall be rejected. 4.5 Quality conformance examination. Using the sampling plan and associated criteria in TABLES IV and V, the quality conformance examination for major and minor defects shall be
38、 performed on a defect basis in accordance with the classif- ication of defects contained in TABLE VI. characteristic), the criteria in TABLE IV shall be used. For total defects within a majar or minor class, the criteria of TABLE V shall be used. All nonconforming material shall be removed from the
39、 lot. Inspection for rubber O-rings shall be in accordance with MIL-STD-413. 146.1 shall be used as a basis of comparison for surface roughness determination. Any catapult assembly with a critical defect shall be rejected. For an individual defct (single The roughness comparison specimens prescribed
40、 in ANSI 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL C- 82 73 5 ( OS) TABLE V. Total defect criteria. I/ Sample Size 60 75 95 - 50 - Number of defect classifications in clase e Major defects allowed 2-3 4-7 8 - 19 20 - 43 Over 43 2-3 4-7 8
41、- 16 17 - 48 Over 48 1 2 3 4 2 3 4 5 3 4 5 7 4 5 8 IO 6 8 11 14 Minor defects allowed 2 3 4 5 3 4 5 7 4 5 8 IO 6 8 II 14 8 11 17 20 1? minor defects allowed in 20. The maximum number of major defects allowed is 14 and the maximum number of 4.5. I Reclaimed parts. Examination of reuseable parts, whic
42、h required no One hundred percent examination shall be performed for all such reprocessing, shall be limited to inspection of defects that require visual type inspection. defects. All conforming parts shall be reprocessed or rejected. 4.5.2 Reprocessed parts. One hundred percent examination shall be
43、 performed for all critical defects, on a defect basis in accordance with the classification of defects contained in TABLE VI, using the sampling plan and associated criteria in TABLES IV and V. an Individual defect (single characteristic), the criteria in TABLE IV shall be used. For total defects w
44、ithin a major or minor class, the criteria in TABLE V total defects within a major or minor class, the criteria in TABLE V shall be used. non?conforming material and parts shall be rejected. Examination for major and minor defects shall be performed For All TABLE VI. Classification of defects. Class
45、ification Defects Tube, Motor, P/N 1172665Q Inspection Method Ela j or HI O1 Mi 02 MI O 3 Metal Defective Visual Protective finish inadequate Visual Burrs or sharp comers Visual or defective Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-82735
46、 13 7777906 03b2772 4 MIL-C-82735( OS) TABLE YI. - Classification of defects (Cont. ). Classification Tube, Booster, P/N 11726656 -R Major MI01 : MI 02 MI 03 MI 04 Tube, Booster, P.N 5184319 Major MI O1 MI 02 MI 03 MI 04 MI 05 MI o6 MI 07 MI 08 MI 09 Tang, P/N 11726657 Major MI O1 MI 02 MI 03 MI 04
47、MI 05 Defects - (rework only) Metal Defective Protective finish inadequate or defective Burrs or sharp corners Foreign material in threads Length from end of tube to second O-ring groove outside specification Width of second O-ring groove - inadequate Dimeter of second O-ring groove inadequate Conce
48、ntricity of second O-ring groove inadequate Material defective Protective finish inadequat defective Burrs or sharp corriers Foreign matter Foreign material in threads Tube, Launcher Assy, P/N 11726800 Ma j or MI O1 MI 02 MI 03 Inspection Method Visual Visual Visual Visual Gage Gage Gage Open Set-up
49、 Visual - or Visual Visual Visual Visual Metal defective Protective finish inadequate or defective Burrs or sharp corners Foreign matter Foreign material in threads Metal defective Wrap def entive Tube having corrosion or surface damage Visual . Visual Visual Visual Visual Visual Visual Visual f Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-
