1、MIL-R-48452 (MU) 5 April 1974 MILITARY SPECIFICATIOX REYOVER, AIRCRAFT CANOPY, k4U-l/.4 AS SEMiZLY This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification covers Renover, Aircraft Canopy, AU-l/A, Assembly, loaded with Cartr
2、idge, Aircraft Canopy Remover, CCG-28/A for use in conjunction with other propellant actuated devices in aircrew emergency escape systems. 2. APPLICABLE DOCU?fENTS 2,l The following documents of the issue iii effect on date of invitation for bids or request for proposal, form a part of this specific
3、ation to the extent specified herein: SPECIFICATIONS iilitary MIL-A-:! 55 O STANDARDS Military MIL-STD-105 MIL-STD-109 MS-28741 - Ammunition and Special iieapons, General Specification for - Samplin: Procedures and Tables for inspection - Quality Assurance Terms and Definitions - Hose Assembly - Det
4、achable End Fitting, Medium by Attributes Pressure DRAWINGS Armament Command F1175 1080 - Remover, Aircraft Canopy, RAU-1/A, Assembly (3797385 - izox, Fiberboard (Inner) Packing, Ammunition or Remover, Aircraft Canopy, X3A1 and RAU-l/A FSC 1377 THIS DOCWNT CONTWS i detail of Drawing F11751080. CRITI
5、CAL None defined MAJOR None defined MINOR 201. Inside diameter under flange Cage 202. Inside diameter adjacent to flange Cage 203. Radius missing or incorrect Visual 204. Metal defective Visual 205. Protective finish inadequate or defective Vis u al 206. Burr Visual 207. Foreign matter Visual 4.2.2.
6、3 Assembly, Drawing F11751080, less all drawin= except C8593644, li8593654 , C8593657, A8593663 I C85FT709 , D85571478593715 and Ai56227-11. - - CRITICAL 1. Gas port hole obstructe P. Any part missing 3. Improper assembly MAJOR 101. Thread damaged 102. surr 103. Foreign matter MINOR None defined 5 V
7、isual Visual Visual Visual Visual Visual Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-48452 (XU) 4.2.2.4 Assembly, Drawing F11751080, less - drawings 1;85_936, 133593665, D8593703, C8593707 and C8593711. Defect Yethod of Inspection CRITICAL
8、1. 2. Cartridge missing Visual Body face surface of plug not in complete contact with cartridge Gage MAJOR 101. Burr 102. Foreign matter V i sua 1 Visul MINOR None defined 4.2.2.5 Assembly, Drawing F11751080, less -.- all drawings except 158593660, D8593703, C8593707 and C3593711. CRITICAL 1. Seal o
9、n bearing tube missing MAJOR 101. Burr 102. Foreign matter Visual Visual Visual MINOR None defined 4.2.2.6 -Assembly, Drawing F11751080, (with stop ring not_ engaged with out- side tube). . CRITICAL 1. MAJOR Inside tube not free to slide None defined 6 Hanual Provided by IHSNot for ResaleNo reproduc
10、tion or networking permitted without license from IHS-,-,-MIL-R-48452 (MU) 4.2.2.6 (Cont d) Defect MINOR None defined 4.2.2.7 Assembly, Drawinq F11751050. CRITICAL 1. hlixed removers 2. Marking missing, incorrect or illegible EWOR 101. 102. 103. 104. 105. MINOR 201. 202. 203. 204. 205. 206 Diameter
11、of block mounting hole Diameter of cap mounting hole Block not free to rotate 3G0 in both Burr Foreign matter directions Length between mountin3 holes Total length, max. Location of labels Shipping plug missing Seal missing or insecure Protective finish inadequate or defective 4.2.2.8 Packing in Fib
12、erboard box, Drawing C8797385. - CRITICAL None defined MAJOR None defined MINOR Method of Inspection - 201. 202, Contents loose 203. Metal ends loose or distorted Gap between body and cover, max. Visual Visual Gage Cage Manual Visual Visual Gage . Gage . Vis ua 1 Visual Visual Visual Manual Manual M
13、anual 7 :. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.2.2.8 (Cont d) Defect 204. Cut or damaged through all impregnated layers 205. Harking missing, incorrect or illegible 206. Tape incomplete or badly wrinkled 207. Length of tear tab, min. 20
14、8. Color of tape incorrect 4.2.2.9 Box, Packing (Level A), Drawing C6797386. CRITICAL None defined MAJOR None defined MTNOR 201. 202. 203. 204. 205. 206. 207. 208. Contents loose Hardware missing, loose, broken or imp roper ly engaged Strapping missing, loose, broken or improperly assembled Contents
15、 of box exposed Box damaged Markins missing, incorrect or illegible Number of units incorrect Car seal missing, unsealed or improperly. positioned Ple thod of Inspect ion - Visual Visual Visual Visual Visual 4.2.2.10 Carton, Packin2 (Level ii), Drawing C9235844, CRITICAL None defined MAJOR None defi
16、ned 8 Yanual Visual/:+fanual Visual/Nanua 1 Visual Visual Visual V is ua 1 Visual Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-48452 (MJ) 4.2.2.10 (Cont d ) Defect Method of Inspection MINOR 201. 202. 203. 204. 205. 206. Contents loose Conte
17、nts of carton exposed End loose or distorted Cut or damaged through all layers Marking missing, incorrect or illegible Tape incomplete Nanual Manua 1 Visual/Manual Visual Visual Visual 4.2.3 Inspection testing.-The following tests shall be performed in accordance with 4.3. 4.2.3.1 Breakaway torque.-
18、The breakaway torque shall be applied to each threaded joint listed in 3.2. ments of 3.2, Table I shall be cause for rejection of the remover. Failure of any remover to comply with the require- 4.2.3.2 Residual magnetism.-lach remover shall be tested for excessive Failure of any renover to comply wi
19、th the requirements residual magnetism. of 3.4 shall be cause for rejection of the remover. 4.2.3.3 Government : Functional.-The following tests shall be performed by the 4.2.3.3.1 Ballistics.-Twenty-one units shall be tested as specified in 4.3.3.1to determine compliance with 3.S.1, 3.5.2 and 3.5.3
20、 be temperature conditioned as specified in Table IV and 4.3.3.1.1. any unit to comply with the requirements shall be cause for rejection of the lot. The units shall Failure of TABLE IV Temperature -650 to -70F .65 to 75OF 200 to 205F Sample Size 7 7 7 4.2.4 Inspection equipment.-The examination an
21、d tests shall be made using equipment listed on LI 11751080. 4.3 Test methods and procedures. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-48452 (MU) 4.3.1 Breakaway torgue.-A torque wrench, set at the torque requirement specified in 3.2,
22、shall be used to determine the adequacy of the joint. The assembly shall be secured in the fixture prior to application of the torque. 4.3.2 Residual-magnetism.-The remover shall be tested for excessive residual magnetism, using an approved compass, in an area free of local magnetic effects, by plac
23、ing the remover 6 inches from and at the same height as the compass, in a north-south horizontal position (block end at south) with the compass set in an east-west heading. the compass in a longitudinal direction for its entire lenzth, rotated 180 degrees in the horizontal position about its longitu
24、dinal axis and moved slowly bact past the compass. The remover shall be moved slowly past 4.3.3 Functional. 4.3.3.1 Ballistics.-The remover shall be rigidly supported in the fixture by the mounting points and initiated by a source delivering an output equal to a M3A1 Initiator connected to the reiao
25、ver with 10 feet of aircraft hose, size 4, as specified in XS-28741. The remover shall coinply with the requirements of 3.5. The remover shall be tested within 10 minutes after removal from the conditioning chamber. When this time limit is exceeded, the remover shall be reconditioned at the original
26、 temperature. 4.3.3.1.1 Tenperature conditioning.-A siniulated 33hl Remover, loaded with ei dummy CCU-28/A Cartridge, containing a temperature sensitive element shall be placed in the conditioning chamber at the same time as the samples. The condi- tioning time shall be a minimum of 1 hour longer th
27、an the time necessary to bring the element contained in the dummy cartridge to the required temperature. 5. PREPARATIOX FOR DELIVERY 5.1 Packinz and marking.- Level A.-Packing arid marking shall be in accordance with Drawings C8797355 and FS797386. 5.2 Packing and-.- Level B.-Packing and marking sha
28、ll be in accordance with Drawings C8797385 and (29235844. 5.3 Packing and marking shall be as specified by the procuring activity. 6. aOTES 6.1 Ordering data.-Procurement documents should specify the title, number, and date of this specification. 6.2 A “mechanical failure“ is defined as any deformat
29、ion or breakage of a part, the occurrence of which is other than a design failure. 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-48452 (MU) 6.3 “Ignition delay” is defined as the time that elapses between the firing of the cartridge primer
30、 and the beginning of the continuous rise on the thrust time record. 6,4 6,s Loaded Assembly Hazard Information: Velocity applies at tube separation. Explosive Hazard Classification: Class 4 Storage Compatibility: Group F Department of Transportation (MIT) Hazard Class i3 WT Marking - Explosive Powe
31、r Device - Class i3 ilandle Carefully - (Keep Fire Away) 6.6 Hazard notice.-The Renover Assembly described herein and certain of its components are flammable and/or explosive, consequently present hazards in manufacture, handling, storage and shipnent. these hazards and take appropriate measures to
32、guard and protect against fire, explosion, adverse environment, corrosive atmosphere, rough handling and elec- trically induced incidents. The contractor should recognize Custodian: Amy - N Preparing Activity: Army - MU Project No. 1377-AS74 U. S GOVERNMENT PRINTING WFICL 1974 -713-153/5110 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
