1、MIL-A-b0 33 W 97799Ob 031.13829 3 W MIL-A -60888 (MU) 9 April 1968 MILITARY SPECIFICATION ASSEMBLY ACTUATOR, EXPLOSIVE, ROTARY 1000-45 1. SCOPE 1.1 This specification is the applicable detail specification for Actuator, Explosive, Rotary 1000-45 Assembly, loaded with cartridge 5000-1, for use in con
2、junction with other propellant actuated devices in aircrew emergency escape systems. 2. APPL1CABL;E DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal form a part of this specification to the extent specified herein. SPECIFICATIONS Mil
3、itary MIL-A-2550 - Ammunition and Special Weapons, ,General Specification for SWARDS Military MIL-STD - 105 - Sampling Procedures and Tables for Inspection MIL-sm -109 MIL-STD -1167 MS-28741 byAttributes . . - Quality Assurance Terms and Definitions - Ammunition Data Card - Hose Astembly - Detachabl
4、e End Fitting, Medium Pres sWe DRAWINGE Munitions Command 9218443 Cg218444 - Carton, Packing, Ammunition, for Rotary - Box, Packing Ammunition, for Rotary Actuator Actuator, 1000 or i925 Series . 1000 or i925 Series Talley Industries (C6de Ident. No. 98708) 1000-45 - Rotary Actuator Assembly PSC 137
5、7 Licensed by Information Handling ServicesMIL-A-bO888 13 m 0b 0341830 8 MIL-A -60888 (bu) (Copies of specifications, standards and drawings required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting offi
6、cer.) 3. REQUIREMENTS 3.1 General.- Materials, parts and assemblies shall ccxgply with the re- quirements. specified on the applicable drawings and referenced specifications . 3.2 Breakaway torque.- All threaded joints of the assembled actuator shall withstand a breakaway torque application of 200 i
7、nch pounds without loosening or deformation. 3.3 Residual magnetism.- The actuator shall not deflect the indicator of the approved compass more than 3 degrees in either direction when passed in front of the comgass at a distance of 6 inches. 3.4 of the ball screw assembly so that the strap drum comp
8、onent is not free to rotate. Initial lock security.- The lock pin shall. secure the piston component 3.5 Functional. 3.5.1 The actuator shall not fail to fire. 3.5.2 The actuator shall function without mechanical failure (See 6.1). 3.5.3 Initiation.- The actuator shall be fired by a source deliverin
9、g an output equal to that of an M31 Initiator at the end of i5 feet of aircraft hose, Size 4, Standard nS28741, at 70 - 3. 5OF. temperature conditioned, when fired, shall separate and eject a 400 pound load from the approved aircraft seat within an operating the of .i50 seconds minimum and .5OO seco
10、nds maxhm, and flmction within the performance limits specified in Table I. 3.5.4 Ballistics. - The actuator loaded with an accepted cartridge and TABLE: 9 Temperature Pressure (psi) -65O to -7OOF 2000 to 4800 65 to 75zF 2000 to 4800 2000 to 4800 200 to 205 F 2 Acceleration (g) 0.85 to 3.0 0.85 to 3
11、.0 0.85 to 3.0 Licensed by Information Handling Services1-60888( MIJ) 3.6 Borkmanship.- The requirements for workmanship are as specified on the applicable drawings, referenced specifications and the following: 3,6.1 Metal defects.- All components shall be free from cracks, splits, cold shuts, inclu
12、sions, porosity or any similar defects. 3.6.2 ,s.- The part shall not have a burr which might interfere with the asseilibly or function of the item or which Mght be injurious to personnel handling the item. 3.6.3 Foreign matter.- The part or assembly shall not contain chips, dirt, grease, rust, corr
13、osion or other foreign matter. 4. QUALITY ASSWCE PROVISIONS 4.1 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. Except as otherwise specified in the cont
14、ract or order, the supplier may use his own or any other facilities suitable for the performance of the inspection requirements speci- fied herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such insp
15、ections are deemed necessary to assure suJJplies and services conform to prescribed requirements. 4.1.1 Quality assurance terms and definitions, - Reference shall be made to MIL-STD-109 to define quality assurance terms used. 4.1.2 Inspection. - Inspection shal1 be in accordance with MIL-A-2550 exce
16、pt as specified herein. 4.2 inspection provisions. 4.2.1 m. 4.2.1.1 Submission of product.- The product shall be submitted in accord- ance with MIL-STD-105. 4.2.1.2 Size of lot.- A lot shall consist of an identifiable group of assenibled units containing metal parts assemblies produced by a homogene
17、ous process and loaded with accepted cartridges. 3 Licensed by Information Handling ServicesMIL-A-bOBB L3 m 777770b 0343832 L m MIL-A -60888 (MU) 4.2.2 Examination. - One hundred percent examination shall be performed Examination for major and minor defects shall be for all critical defects. perform
18、ed on a defect basis in accordance with the classification of defects ushg the sampling plan and associated criteria in Table II. of allowable defects per class for either the major or minor classification shall not exceed the acceptance number of Table II. shall be rejected. examination for inspect
19、ion of such defects as burr and foreign matter. The total nuniber All nonconforming material Four power magnification may be used in performing visual mu II Maj or Minor Lot Size Sample Size Accept Reject Accept Reject i - 300 100% Examination - - - - 301 - 800 50 O 1 1 2 801 - i800 90. 1 2 2 3 i801
20、 - ioooo 200 2 3 3 4 4.2.2.1 Cartridge Assembly, Drawing 5000-1, covering a detail of Drawing 1000-45 Defect Method of Inspection CRITICAL 1. Mixed cartridges 2. Metal defective 3. Closure cap missing, damaged or improperly sealed 4. Marking missing, incorrect or illegible MkJOR 101. Foreign matter
21、MINOR 201. 202, Case scratched, wrinkled, bulged or dented Protective finish, MssLng or inadequate Visual Visual Visual Visual Visual Visual Visual 4.2.2.2 Assembly, Drawing 1000-45 with End Closure AsseLly (Draw-.ig #lo00 -132 r moved CRITICCIL 1. Lock pin loose 2. 3. Blowout plug loose Ball screw
22、and piston assembly loose 4 Manual and Visual Manual Manual and Visual - Licensed by Information Handling ServicesMIL-A-60888 13 = 777790b 03q3833 3 4.2.2.2 (Cont a) Defect M4 JOR 101. Thread damaged 102. Foreign matter Method of Inspection Visual Vi sua1 None defined 4.2.2.3 Assembly Drawing 1000-4
23、5 with Breech Assembly (Drawkg #1022) and back up washer (Drawing #lOi7) removed. CRITICAL 1. Cartridge loose 2. Cartridge retainer loose 3. Foreign matter in gas port MAJOR 101. Thread damaged MINOR None defined 4.2.2.4 Assembly, Drawing 1000-45 CRITICAL 1. 2. Marking missing, incorrect or illegibl
24、e Any part missing except as otherwise classified W JOR 101. Length overall 102. Length of strap extended 103. Length of strap retracted 104. Shear studs loose 105. Cap screw loose 106. Threads damaged 5 Manual and Visual Manual and Visual visual Visual Visual Visual Gage Gage Gage Visual and Manual
25、 Visual and Manual Visual Licensed by Information Handling ServicesMIL-A-bO888 13 9999906 0343834 5 1-60888(m) 4.2.2.4 (Contd) Defect MTNOR 201. Location of labels incorrect 202. Shipping plug missing 203. Protective finish inadequate or defective 4.2.2.5 Packing in Fiber Box, Drawuig Cg21844 CRITIC
26、AL None defined MAJOR None defined MmOR 201. Seaing strips missing, loose or improperly applied 202. Contents loose 203. Flaps loose or distorted 204. 205. Marking missing, incorrect or illegible Cut or damaged through all impregnated layers 4.2.2.6 Packing in Wooden Box, Drawing cg218444 CRITICAL N
27、one defined MAJOR None defined MINOR 201. Contents loose 202. Hardware missing, loose, broken, or improperly engaged 203. Strapping missing, loose, broken or improperly ass emb led 6 Licensed by Information Handling ServicesMIL-A-60 13 m 9999906 03YL35 7 = MIL-A-60888 ( MU) 4.2.2.6 (Contd) Defect MD
28、!TOR (Contd) Method of Inspection 204. Contents of box exposed 205. Marking missing, incorre& or illegible 206. Nuniber of units incorrect 207. Car seal missing, unsealed or improperly positioned Visual Visual Visual Visual 4.2,3 with 4.3. Inspection,- The following tests shall be performed in accor
29、dance 4.2.3.1 Breakaway torque.- Each actuator shall be subjected to the break- away torque application. ment of 3.2 shall be cause for rejection of the assembly. 4.2.3.2 Failure of any actuator to comply with the require- Residual magnetism.- Each actuator shall be suhjected to the test for excessi
30、ve residual magnetism. Failure of any actuator to comply with the requirements of 3.3 shall be cause for rejection of the actuator. 4.2.3.3 Initial lock security.- Each actuator shall be subjected to an Failure of acy actuator to comply with the requirements initial lock test. of 3.4 shall be cause
31、for rejection of the assembly. 4.2.3.4 Functional tests.- The following tests shall be performed by the Government. 4.2.3.4.1 Ballistics.- Twenty-one units shall be tested as specified in 4.3.4 to determine compliance with the requirements of 3.5.1 to 3.5.4. units shall be temperature conditioned as
32、 provided in Table III and 4.3.4.1, Failure of any unit to comply with the requirements shall be cause for rejec- tion of the lot. The Temperature -65O to -7O:F 65 to 75 F 200 to 205 Sample Size 7 7 7 t 7 Licensed by Information Handling ServicesMIL-A-60888 13 W 9999906 03YL836 9 m m-A -60888(w) 4.2
33、.4 Inspection equipment.- The examination and tests shall be made using equipment approved by the Government. 4.3 Test methods and proceduses. 4.3.1 Breakaway torque.- A torque wrench, set at the torque requirements specified in 3.2 shall be used in conjunction with an adapter to determine the adequ
34、acy of the joints. and the breakaway torque applied to the end closure and breech assemblies. The actuator shall be secured in a holding device 4.3.2 Initial lock security.- The actuator shall be tested for initial lock security by securing the actuator body in a holding device and manually pulling
35、on the strap assembly to assure that the webbing cannot be extended or retracted. 4.3.3 Residual magnetism.- The actuator shall be t.ested for excessive residual magnetism, in an area free of local magnetic effects, by placing the actuator six inches from and at the same height as the compass in a n
36、orth-south horizontal position (breech end at south) with the compass set in an east-west heading as shown in Figure I. The actuator shall be moved slowly past the compass in a longitudinal duleetion for its entire length, rotated degrees in the horizontal position about its longitudinal axis and mo
37、ved slowly past the compass. each degree rotation of the actuator. This procedure shall be repeated for 4.3.4 Functional tests. 4.3.4.1 Temperature conditioning. - Prior to conducting the ballistic test specified in 4.3.4.3, the actuator samples shall be subjected to the temperature condition specif
38、ied in 3.5.4. a dummy cartridge containing a temperature sensitive in the temperature conditioning chamber at the same time as the actuator samples. the the necessary to bring the element contained in the dummy- cartridge to the required temperature. A simulated actuator loaded with element shall be
39、 placed The conditioning time shall be a minimum of one hour longer than 4.3.4.1.1 Upon completim. of the required temperature conditioning, each actuator sample shall be ballistically tested within 5 minutes after removal from the conditioning chamber. is exceeded. Samples shall be reconditioned if
40、 this time 8 Licensed by Information Handling ServicesMIL-A-608 13 W 7977906 0343837 O W 1-60888( MU) 4.3.4.2 Method of testing.- The actuator tested under the conditions specified herein shall be mounted on an aircraft seat in the proper position. Install a fixture with the load specified in 3.5.4
41、on the aircraft seat. The fixture shall be designed to cover at least 80% of the area comprising the bottom and back of the aircraft seat. Mount an accelerometer on the fixture to record acceleration of the ejected mass on a line which bisects the angle between the seat bottom and the seat back. A r
42、ecording system shall be used to determine the amount of time required to eject the mass after actuation of the actuator under load conditions. 4.3.4.3 Ballistic test.- Utilize the test fixture specified in 4.3.4.2. Weights installed in the fixture shall be secured to prevent shifting. An M3A1 initi
43、ator or simulated method shall be used to actuate the actuator under test. to actuate the actuator and to measure the amount of ballistic gas pressure in the actuator during operation. actuator end closure assembly for recording the ballistic gas pressure. pressure sensitive device for measuring the
44、 amount of pressure used to actuate the actuator shall be inserted into the system by means of a Tee coupling between the actuator and the actuating device. The actuator. sample shall be tested in accordance with the fkmctional requirements of 3.5 within the time specified. Pressure sensitive device
45、s shall be used to measure the pressure exerted A pressure port shall be installed in the The 5. PRFPARATION FOR DELIVERY 5.1 Packing and marking - Leve1A.- Packing and marking shall be in accordance with drawings 9218443 and C9218444. 5.2 Daka cards.- Data card information shall be as specified in
46、MIL-STD- 1167. 6. NOTES 6.1 A “mechanical failure“ is defined as any deformation or breakage of a part, the.occurrence of which is other than a design function. Custodian: Army - Preparing activity: Army - MU Project No 1377-A251 9 Licensed by Information Handling ServicesMIL-A-60888 13 7797706 03q1838 2 - MIL-A -60888 (MU) e ?n g O V 10 Licensed by Information Handling Services
