1、MIL-A- 60848 (MIT) 22 November 1967 MILITARY SPECIFICATION ACTUATOR, EXPLOSIVE, ROTARY 1000-44 ASSEMBLY 1 SCOPE 1.1 This specification is the applicable detail specification for Actuator, Explosive, Rotary 1000-44 Assembly, loaded with cartridge 5000-1, for use in conjunction with other propellant a
2、ctuated devices in aircrew emergency escape systems. 2. -APPLICABLF: DWMEBTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposals form a part of this specification to the extent specified herein. . SPECIFICATIONS Military MIL-A-2550 - Ammunition
3、and Special Weapons, Genei-al Specification for STANDARDS Military MIL-STD-105 MIL-STD-109 MIL-STD-U67 - Amunition Data Card MS -28741 - Sampling Procedures and Tables for Inspection - Quality Assurance Terms and Definitions - Hose Assembly - Detachable End Fitting, by Attributes Medium Pressure . D
4、RAWINGS Munitions Command Cg218443 e9218444 - Carton, Packing, Ammunition, for Rotary - Box, Packing Ammunition, for Rotary Actuator Actuator, 1000 or 1925 Series 1000 or 1925 Series Talley Industries 1000-44 - Rotary Actuator Assembly FSC 1377 TH.;48( MU) 4.2.2.4 (Contd) Defect Method of Inspection
5、 MINOR 201. 202. 203. I Location labels incorrect Shipping plug missing Protective finish inadequate or defective Visual Visual Visual 4.2.2.5 Packing in Fiber Box, Drawing C9218443. CRITICAL None defined MAJOR None defined MINOR 201. 202. Contents loose 203. Flaps loose or distorted 204. 205. Seali
6、ng strips missing, loose or improperly applied Cut or damaged th.rough all impregnated layers Marking, missing incorrect or illegible Visual Manual Visual Visual Visual 4.2.2.6 Packing in Wooden Box, Drawing C9218444. CRITICAL None defined MAJOR None. defined MINOR 201. Contents i 202. Hardware f en
7、gaged I Manual Manual and Visual loose missing, loose, broken or improperly 203. Strapping missing, loose, broken or improperly assembled 6 . Manual and Visual Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-60848 (DU) i MINOR (Cont d) Defect M
8、ethod of Inspection 204, Contnts of box exposed Vi sua1 205. Marking missing, incorrect or illegible Visual 206. Number of units incorrect Visual 207. Car sealmissing, unsealed or improperly positioned Visual 4.2.3 Inspection.- The following tests shall be performed in accordance with 4.3. 4.2.3.1 B
9、reakaway torque.- Each actuator shall be subjected to the break- away torque application. of 3.2 shall be cause for rejection of the assembly. Failure of any actuator to comply with the requirement 4.2,3.2 Residual magnetism.- Each actuator shall be subjected to the test for excessive residual magne
10、tism. 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 shal be subjected to an initial lock-test. Failure of any actuator to comply with the requirements of 3.4 shall be cause for rejection
11、of the assenibly, 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. be temperature conditioned as provided in Table III
12、.and 4.3.4.1. unit to comply with the requirements shall.be cause for rejection of the lot. The units shall Failure of any TABIE III Temperature -65O to -70: 65 to 75 F 200 to 209F Sample Size . 7 7 7 I 4.2.4 Inspection equipment.- The examination and tests shall be made using I equipment approved b
13、y the Government. .I i I 4.3 Test methods and procedures. i fi $i 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-bOdLt 13 77777Ob 03LtL552 h m I 4.3.1 Breakaway torque.-A torque wrench, set at the torque requirements specified in 3.2 shall b
14、e used in conjunction With an adapter to determine the adequacy of the joints. The actuator shall be secured in a holding device and the breakaway torque applied to the end closure and breech assemblies. 4.3.2 Initial lock security.- The actuator shall be tested for initial lock security by securing
15、 the actuator body in a holding device and manuaiiy pulling on the strap assenibly to assure that the webbing cannot be extended or retracted, 4.3.3 Residual magnetism,- The actuator shall be tested for excessive re- sidual magnetism, in an area free of local magnetic effects, by placing the actuato
16、r six inches from and at the same height as the compass in a north-south horizontal position (breech end at south) wih the compass set in an east-west heading as shown in Figure I. The actuator shall be moved slowly past the com- pass in a longituinal direction for its entire length, rotated 90 degr
17、ees in the horizontal position about its longitudinal axis and moved slowly past the compass. This procedure shal be repeated for each 90 degree rotation of the actuator. 4.3.4 Functional tests. 4.3.4.1 Temperature conditioning.- Prior to conducting the baiiistic test specified 5n 4.3.4.3, the actua
18、tor samples shall be subjected to the temperature condition specified in 3.5.4. conditioning chamber at the same time as the actuator sampies. time shall be a minimum of one hour longer than the time necessary to bring the element contained in the dumrqy ca,rtridge to the required temperature. A sim
19、uated actuator loaded with a dummy cartridge containing a temperature sensitive element shall be placed in the temperature a The conditioning 4.3.4.1.1 Upon coqletion of the required temperature conditioning, each actuator sample shall be ballistically tested within 5 minutes after removal from the
20、conditioning chamber, Sanpies shall be reconditioned if this time is exceeded. 4.3.4.2 Method of testinq,- The actuator tested under the conditions specified Install a fix- herein shall be munted on an aircraft seat in the proper position. ture on the aircraft; seat. the area coqrising the bottom an
21、d back of the aircraft seat. meter on the fixture to record acceleration of the ejected mass on a line which bisects the mgle between the seat bottom and the seat back. shall be used to determine the amount of time required to eject the mass after actuation of the actuator under load conditions. !Ch
22、e fixture shall be designed to cover at least 80$ of Mount an accelero- A recording system 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.3.4.3 Ballistic test.- Utilize the test fixture specified in 4.3.4.2. The weights shall be installed in the
23、 fixture and secured to prevent shifting. An Mx1 initiator or simulated method.shal1 be used to actuate the actuator under test. to actuate %he actuator and to measure the amount of ballistic gas pressure in the actuator during operation. A pressure port shall be installed in the actua- tor end clos
24、ure assembly for recording the ballistic gas pressure. The pressure sensitive device for measuring the amount of pressure used to actuate the actua- tor shall be inserted into the system by means of a Tee coupling between the ac- tuator and the actuating device. The actuator sample shall be tested i
25、n accord- ance with the functional requirements of 3.5 within the time specified. Pressure sensitive devices shall be used to measure the pressure exerted 5. PIIEPARATION FOR DEIJVERY 5.1 Packing and marking - Leve1A.- Packing and marking shall be in accord- ance with Drawings Cg218443 and C92184h4.
26、 5.2 Data cards.- Data card information shall be as specified in MIYD-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: Preparing activity: Aw - MU Army - MU 9 .-.- - -. - I_- . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A -60848 (MU) 3 I 3 O a 4 FI n n B m m # O V m - 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
