1、= n : t Y ir MIL-T-50302A 13 m 7779706 0326238 7 m I . . , . . . - *: . .-. i . -8 December 1970 SUPESEDING . Kn;-T-50302(MU) 5 February 1970 MILITAR! SPECIFICATION THRUSTER, CARTRIDGE ACTUATED: 26, ASSEMBLY . 1, SCOPE 1.1 This specification covers the Thruster, Cartridge Actuated, 26, Assembly, loa
2、ded with Cartridge, Impulse, M259 for use in conjunction with other propellant actuated devices in aircrew emergency systems, -2, APPLIGABCE DOCUMENTS . I 2.1 The foilawing documents of the issue in effect on date of invitation . 1 for bids or request for proposais, form a part of this specification
3、 to the extent ;specified herein: . . . .- . . I 5: -. SPECIFICATIONS Military MIL-A-O - Ammunition and Special Weapons, General Specification for STANDARD3 I . : . . Military MIL-STD-105 MIL-STD-109 MS-28741 DRAWINGS Munitions Command - Sampling Procedures and Tables for 19- - Waiity Assurance Term
4、s and Definitions - Hose Assembly Detachable End Fitting, spection by Attributes Medium Pressure : 1 . -. . i. :. -I Thruster, Cartridge Actuated, 26, Assembly I. FSC i377 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-50302A 33 m 9777706 03
5、26237 7 m MIL-T-503024( MIT) 2.1 (Contd) C9243197 - Container, Ammunition, Fiber for Thruster, - Box, Packing, Ammunition for Thruster, - index of Inspection Equipment List for Cartridge Actuated, 26 Cartridge Actuated, 26 Thruster, Cartridge Actuated, 26, Assembly (Copies of specifications, standar
6、ds and drawings required by suppliers in con- nection with specific procurement functions should be obtained from the procur- ing activity or as directed by the contracting officer,) 3, IIEQUImNTS 3.1 General - Material, parts and assemblies shall comply with the require- Torque - Torque reqiiiremen
7、ts shall be as specified in Table I, ments specified on the applicable drawings and specifications. movement shall occur upon application of the breakaway torque, 3.2 No Table I Components Cap Assy and inside Tube Assy Sleeve and Outside Tube Assy- Seating or Bottom- ing (including A) linch pounds)
8、300 i 50 Breakaway (inch pounds) (Minimum) 200 400 3.3 Assembly 3.3.1 initial Lock - There shall be no unlocking of the sleeve from the Residual magnetism - The thruster shall not deflect the indicator cap assy when a tensile load of 30 to 40 pounds is applied, of the compass more than 3 degrees in
9、either direction when passed in front of the compass at a distance of 6 inches, 3.3.2 3.4 Functional 4 3.4.1 The thruster shall not fail to fire, 3.4,2 The thruster shall fmction without mechanical failure (see 6.2). 3.4.3 No load - The thruster, fired with no load on the outside tube, shall complet
10、e its stroke and the tubes shall not separate (see 6.3). 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-T-50302A(MU) 3.4.4 - Load - The thruster shall be mounted normal to a load having a mass moment of inertia of 7.2 slug fi2 and shall rota
11、te the load thru an arc of wo when fired. 5.75 inches of load rotation shall be 10.4 radians./sec. min. 3.4.4.1 Velocity - The average velocity of the load during the first 3.4.4.2 Thrust - Maxhum thrust shall not exceed 7000 pauids. 3.4.4.3 Ignition delay - Ignition delay shall not exceed 60 millis
12、econds (see 6.5). 3.4.5 .Temperature - The thruster shall comply with all the ballistic re- quirements throughout the temperature range of minus 65O to plus 2009. Initiation - The thruster shall be fired by a source delivering an output equal to that of an M3Ai Initiator at the end of 15 feet of air
13、craft hose, size No. 4 MS28741, 70 2 5%. 3.5 Workmanship - The requirements for workmanship are as specified on the applicable drawings, referenced specifications and the following: . 3.4.6 3.5.1 Metal defects - ,U components shall be free from cracks, splits, perforations and my similar defect. 3.5
14、.2 - Burr - No part shall have a burr which might interfere with the assembly or function of the item or which might be injuriaus to personnel handiing the item. 3.5.3 Foreign matter - No part or assembly shall contain chips, dirt, grease, rust, corrosion or other foreign matter. 4. QUALITY ASSURANC
15、E PROVISIONS 4,i Responsibility for inspection - Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. fied in the contract or order, the supplier may use his own or any other facili- ties sui
16、table for the performance of the inspection requirements specified herein, unless disapproved by 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 supiplies and services conform to
17、 prescribed requirements, to MIL-STD-109 to define quality assurance terms used. Except as otherwise speci- 4.1.1 Qu, incorrect or illegible Visual MAJOR 101, Foreign matter Visual MINOR 201. Case scratched or dented Visual 4 Provided by IHSNot for ResaleNo reproduction or networking permitted witho
18、ut license from IHS-,-,-i. i- r ?. fl I. . r . r MIL-T-50302A 13 7777706 0326222 7 _ - - 4.2.2.2 Assembly, Drawing F10551371, less Shipping Cap Defect Method of Inspection CRITICAL None defined MAJOR 101. ThEads damaged 102. Foreign matter 103. Total length MINOR None defined . . 4.2.2.3 Assembly, D
19、wg. ?10551371 CRITICAL 1. 2. inproper assembly 3. Metal defecttve Any part missing as detected by x-ray MAJOR 101. Marking missing, incorrect or illegible 102. Foreign matter MINOR 201, Total length 202, 203. Shipping Cap missing 204. Location of labels incorrect Protective finish inadequate or defe
20、ctive visual Visual Gage X-ray X-ray Visual Visual Visual Gage Visual Visual Gage 4.2.2.4 Fiber Container, Dwg , C9243197 CRITICAL None defined MAJOR None defined 5 , Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-50302( MU) 4.2.2.4 - Contd MI
21、NOR . .- . 201, 202, 204. 205, 203, 206, 207. 208, Defect Gap between body and cover, max. Contents loose Metal ends loose or distorted Cut or damaged through all 3mpregnated layers Marking missing, incorrect or illegible Tape incomplete or badly wrinkled Length of tear tab, min. Color or tape incor
22、rect 4.2,2.5 Packing Box, Wg. Cg243198 CRITICAL None defined MINOR Method of Inspection MAJOR None defined 201, 202. 203, 204. 205, 206. 207. 238 Contents loose Hardware missing, loose, broken or Strapping missing, loose, broken or Contents of box exposed Box damaged Marking missing, incorrect or il
23、legible Number of units incorrect Car sealmissing, unsealed or improperly Smproperly engaged improperly engaged positioned Manual Manual Manual Visual Visual Visual Visual Visual Manual Manual & Visual Manual & Visual Visual Visual Visual Visual Visual 4.2.3 inspection testing - The following tests
24、shall be performed in accordance with 4.3. 8 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-50302A( MU) . 4.2.3.1 Breakaway torque - Eat, cap assayIy an and each sleeve and outside tube assembly shall be subjected to a breakaway torque test.
25、 Table I shall be cause for rejection. inside tube assembly Failure of any unit to comply with the requirements of 3.2 and 4.2.3.2 Residual mmetism - Each thruster shall be subjected to the Failure of any thruster to ccxnply test for excessive residual magnetism. with the requirement of 3.3.2 shall
26、be cause for rejection of the thruster, initial Lock - Each thruster shall be subjected to the tensile 4.2.3.3 load application. 3.3.1 shall be cause for rejection of the unit. Failure bf any thruster to comply with the requirement of, 4.2.3.4 Functional tests - The foUrrWing tests shall be performe
27、d by the Government: 4.2.3.4.1 Ballistics - Thirty-three (33) units shall be tested to determine compliance with the requirements of 3.4.1 thru 3.4.4.3. temperature conditioned as provided in Table III and 4.3.4.1.1. Failure of any unit to camply with the requirement or failure of a sample to meet t
28、he criteria of the variables sampling plan shall be cause for rejection of the lot. The units shall be Table III . .- :.? . ?- I Sample Size 10 10 10 1 1 1 Method - Temperature Load (See 3.4.4) -65 to -70 F 0a (See 3.4.4) +65 to +75 F Load (See 3.4.4) * +200 to +205 F No Load (See 3.4.3) . . -65 to
29、-70 F No Load (See 3.4.3) +65 to +75 F No Load (See 3.4.3) +200 to +205 F 4.2.2 Inspection equipment - The examination and tests shall be made using equipment in accordance with IEL-10551371. 4.3 Test methods and procedures 4.3.1 Breakaway torque - A torque wrench, capable of measuring the torque re
30、quirements as specified in Table I shall be used with an appropriate adapter to determine the adequacy of the joints, 4.3.2 Initial Lock - Upon completion of assembly, a tensile load of 30 to 40 pounds shall be applied between the sleeve and cap to determine that the ini- tial lock shear pin is prop
31、erly engaged. greater rate than .E5 inches per minute. The load shall not be applied at a S 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-50302A 13 999990b 0326225 4 m _ I MI-T-50302( MU) 4.3.3 Residual magnetism - The thruster shall be tes
32、ted for excessive residual magnetism 5.n an area free of local magnetic effects by placing the thruster 6 inches from and at the same height as the compass in a-.north-south hor9zontal position with the canpass set in an east-west heading. The thrus- ter shall be moved slowly past the compass in a l
33、ongitudinal dlrection for its entire length, rotated 90 degrees in the horizontal position about its longf- tudinal axis and moved slowly back past the compass, This procedure shall be repeated for each 90 degree rotation of the thruster, 4.3.4 Functional tests 4,3.4.i Ballistics - The test samples
34、shall be rigidly supported 80 that The samples shall the entire thrust is borne by the thruseer mounting point. be tested within 10 minutes after removal fromthe temperature conditioning chamber. ditioned at the original temperature. approved by the responsible technical agency prior to acceptance t
35、esting. When this time limit is exceeded, the sample units shall be recon- Test equipment and procedures shall be 4.3.4.1,l Temperature conditioning - A simulated thruster and cartridge with a temperature sensitive element, placed in the durmqy cartrige, shall be stored fn a temperature conditioning
36、- chamber at the same- time as the samples. The temperature conditioning time shall be a minimum of one hour longer than the time necessary for the temperature of the simulated cartridge to reach the required test temperature. 5, PHEPARATION FOR DEEVEFE 5.1 Packing and marking - lleve1 A - Packing a
37、nd marking shall be in ac- cordance with Drawings Cg243197 and C9243198. 6, NOTES 6.1 Ordering data - Procurement documents should specify the title, nWer and date of this specification, 6.2 A “mechanical failure“ is defined as any deformation or breakage of 6.3 No load - Permanent yielding of the t
38、ubes shall not be cause for re- 6,4 Load - The expected performance of the thruster under conditions simu- a part, the occurrence of which is other than a designed flulction. ._. jection when the thrusters are tested with no load on the outside tube. - lating those existing in aircraft is obtained w
39、hen thrusters satisfactorilymeet conditions of the load firing. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-8 . _ ,. : . ,. I _- -, 7 .1 . . , 1 :. 6.5 lign of the cartri1 tion delay“ - Is def-qed as the time lapse between the firing ge and the beginning of the continuous pressure rise in the body of the thruster. custodian: Army - MU Preparing activity: 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
