1、MIL-R-50776 13 m 777770b 0330847 7 m - MIL-R- 50776(u) 5 April 1972 SUPERSEDING FA-9-MI-2419, Rev. 1 16 March 1962 MILITARY SPECIFICATION REMOm, AIRCRAFT CANOPY: M8A2 ASSEMBLY 1. SCOPE 1.1 This specification covers Remover, Aircraft Canopy: M8A2 Assembly, loaded with Cartridge, Aircraft Canopy, Remo
2、ver, Ml50, for use in conjunction with other propellant actuated devices in aircrew emergency escape system. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue it? effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified h
3、erein. SPECIE CATIONS Military MIL-A- 2550 - Ammunition and Special Weapons General Specification for STANDARDS Military MIL-STD-105 - Sampling Procedures and Tables for Inspection MIL-STD-109 - Quality Assurance Terms and Definitions by Attributes DRAWINGS Munitions Command F10522144 aa3 7890 - Rem
4、over, Aircraft Canopy, 82 Assembly - Carton, Packing, Ammunition for Remover, Aircraft Canopy, 81 with Cartridge Ml5O FSC 1377 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DRAi4NGS (Cont Id) C9230161 - Box, Packing, Ammunition for (1) Remover, Air
5、craft Canopy, 81 with Cartridge M150 Aircraft Canopy, 82 Assembly IEL- 10522144 - Inspection Equipment List for Remover, (Copies of specifications, standards and drawings required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as dire
6、cted by the contracting officer.) 3. REQUIREMENTS 3.1 General.-Materials, parts and assemblies shall camply with the requirements specified on the applicable drawings and referenced specifi- cations and the following: 3.2 Torque. 3.2.1 Assembly.-An assembly torque of 500 plus 50 inch pounds (running
7、 plus bottoming torques) shall be applied between the head and adapter housing after insertion of cartridge. 3.2.2 Breakaway.-The head and adapter housing of the assembled remover shall withstand a breakaway torque application of 400 inch pounds without loosening or deformation. 3.3 Functional. 3.3.
8、1 Ballistics.-Removers loaded with accepted Ml5O Cartridge shall propel a 350 pound mass vertically and shall comply with the requirements listed in Table I. TABLE I *Velocity, min. Peak Thrust, Pounds Ignition Delay Temperature ( fPS ) Min. Max. Max. (see 6.3) -653 to -70% 10.7 3500 7000 25 millise
9、conds 650 to 75% 10.7 3500 7000 25 milliseconds 2303 to 2053 10.7 3500 9000 25 milliseconds * Velocity taken at tube separation. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-50776 13 = 7777706 0330851 5 S - MIL-R- so776 (MU) 3.3.2 Locked s
10、hut.-Removers loaded with accepted Ml5O Cartridges and temperature conditioned at minus 65 degrees F to minus 70 degrees F, and plus 200 degrees F to plus 205 dvrees F, shall withstand the generated gas pressures with no evidence of leakage or mechanical failure (See 6.2) of exterior components when
11、 fired “locked shut“ (See 6.4). The peak thrust shall not exceed 10,200 pounds over the temperature range. 3.3.3 The removers shall not fail to fire. 3.3.4 The removers shall function without mechanical failure (see 6.2). 3.4 Workmanship.-The requirements for workmanship are as specified on the appl
12、icable drawing, referenced specification and the following: 3.4.1 Metal defects.-All components shall be free from cracks, splits, cold shuts, inclusions, porosity or any similar defect. 3.4.2 Burr.-No part shall have a burr which might interfere with - the assembly or fbnction of the item or which
13、might be injurious to per- sonnel handling the item. 3.4.3 Foreign matter.-No part or assembly shall contain chips, dirt, grease, rust, corrosion or other foreign matter. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. -Unless otherwise specified in the contract or purchase order,
14、 the supplier is responsible for the per- formance of all inspection requirements as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless dis
15、approved by the Govermen-:;. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Quality assurance terms and definitions. -Reference sh
16、all be made to MIL-STD-109 to define quality assurance terms used. 4.1.2 Inspection.-Inspection shall be in accordance with MIL-A-2550 except as specified herein. 4.2 InsDection Drovisions. 4.2.1 Lot. - 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
17、-,-4.2.1.1 Submittal of product.-The product shall be submitted in accordance with MIL- STD- 10 5. 4.2.1.2 Size of lot.-A lot shall consist of an identifiable group of assembled units containing metal parts assemblies produced by a homo- geneous process and loaded with a single lot of accepted cartr
18、idges. 4.2.2 Examination.-One hundred percent examination shall be performed for all critical defects. be performed on a defect basis in accordance with the classification of defects, using the sampling plan and associated criteria in Table II. The total number of allowable defects per class for eit
19、her the major or minor classification shall not exceed the acceptance number of Table If. All non-conforming material shall be rejected. Four power( 4X) magnifi- cation may be used in performing visual examination for such defects as burr and foreign matter. Examination for major and minor defects s
20、hall TABm II Mai or Minor Lot Size Sample Size Accept Reject Accept Reject - - - 1 -*300 106 Examination - O 1 1 2 2 3 4 301 - 800 50 801 -1800 90 1 2 i801 -1m 200 2 3 3 4.2.2.1 Cartridge, Aircraft Canopy, M150, Drawing Dl0521960 covering a detail of Drawing F10522144. Defect - Method of Inspection
21、CRITICAL 1. Mixed cartridges Visual 2. Metal defective Visual 3. secured Visual 4. Marking, missing, incorrect or illegible Visual Sealing disc, missing, damaged or improperly MAJOR 101. Foreign matter Visual 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
22、 IHS-,-,- MIL-R-5077b 13 797770b 0330853 7 4.2.2.1 (Contd) Defect Method of InsDection MINOR 201. Case scratch, wrinkled, bulged 3r dented Visual 202. Varnish, missing or inadequate Visual 4.2.2.2 Assembly Dwg. F10522144 (before assembly of head). CRI TI CAL 1. Gas port hole obstructed 2. Cartridge
23、missing 3. Firing pin missing MAJOR 101. Thread damaged 102. Burr 103. Foreign matter MINOR None defined 4.2.2.3 Assembly, Drawing F10522144. CRITICAL 1. Mixed removers 2. Marking, missing, incorrect or illegible Visual Visual Visual Visual Visual Visual Visual Visual MAJOR 101. Protective finish, i
24、nadequate 3r defective Visual 102. Burr Visual 103. Foreign matter Visual MINOR 201. Shipping plug missing 202. Location of labels Visual Visual 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-50776 13 m 777770h 0330854 O W MIL-R- 50776() 4.2
25、.2.4 Packing in Inner Box, Drawing C8837890. Defect Method of Inspection CRITICAL None defined MAJOR None defined MINOR 201, 202, 203. 204. 205. 206. 207. 200. Contents loose Top of box, loose Strapping, missing, loose or improperly assembled Supports or fillers, missing from box Box damaged Seal, m
26、issing or improperly positioned Motor wire loose Marking, missing, incorrect or illegible 4.2.2.5 Packing in Outer Box, Drawing 9230161. CRITICAL None MAJOR None MINOR 201. 202. 203. 204. 205. 206 207. 200. defined defined Contents loose Liner, fillers., cushions or spacers, missing Strapping, missi
27、ng, loose or improperly assembled Hardware, missing, loose or improperly engaged Box damaged Contents of box exposed Car seal, missing or improperly sealed Marking, missing, incorrect or illegible Manual Manual Manual & Visual Visual Visual Visual Vi sua1 Visual Manual Visual Visual Visual Visual Vi
28、sual Visual Visual 6 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-5077b 13 m 77777Ob 0330855 2 m MIL-R- 507?6( MU) 4.2.3 Inspection testing.-The following tests shall be performed in accordance with 4.3. 4.2.3.1 Breakaway torque.-Each head
29、 and adapter housing of the assembled remover shall be subjected to the breakaway torque application. of any remover to comply with the requirement of 3.2.2 shall be cause for rejection of the remover. Failure 4.2.3.2 Functional tests.-The following tests shall be performed by the Government. 4.2.3.
30、2.1 Ballistics.-Eighteen units shall be tested as specified in 4.3.2 to determine compliance with the requirements of 3.3.1, 3.3.3, 3.3.4 and Table I. in Table III and 4.3.2.3. ments shall be cause for rejection of the lot. The units shall be temperature conditioned as provided Failure of any unit t
31、o comply with the require- TABLE III Temper ature -65 to -7O0F 65 to 75F 200“ to 205F Sample Size 6 6 6 4.2.3.2.2 Locked shut. -One remover temperature conditioned at minus 65 degrees F. to minus 70 degrees F. and 2 removers at 200 degrees F. to 205 degrees F. shall be fired “locked shut“ (See 6.4).
32、 The units shall be temperature conditioned as specified herein and 4.3.2.3. Failure of any unit to comply with 3.3.2 and 3.3.3 shall be cause for rejection of the lot. 4.2.4 Inspection equipment.-The examination and tests shall be made using equipment listed on IEL-10522144. 4.3 Test methods and pr
33、ocedures. 4.3 1 Breakaway torque. -A torque wrench set at the torque requirement specified in 3.2.2 for the head and adapter housing shall be used to determine the adequacy of the joint. a fixture and the breakaway torque applied to each head and adapter housing. The assembly shall be secured in 4.3
34、.2 Functional tests. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-R-50776 13 7797706 0330856 4 I - - 4.3.2.1 Ballistics .-The remover samples shall be rigidly supported in the fixture by the mounting points. to a carriage and allowed to mov
35、e freely while propelling the weight specified in 3.3.1 when test fired. The remover shall be initiated by means of an M3Al Initiator or simulated pressure with sufficient force to activate the firing pin. after removal from the conditioning chamber. Samples shall be reconditioned at the original te
36、mperature if this time is exceeded. The remover tube shall be secured The remover shall be tested within 10 minutes 4.3.2.2 Locked shut.-The remover samples shall be rigidly supported in a fixture and initiated by means of an M3A1 or simulated pressure with sufficient force to activate the firing pi
37、n. within 10 minutes after removal from the conditioning chamber. Samples shall be reconditioned at the original temperature if this time is exceeded. The remover shall be tested 4.3.2.3 Temperature conditioning.-Prior to conducting the ballistic test and locked shut test specified in 4.3.2.1 and 4.
38、3.2.2 respectively, the assembly samples shall be subjected to the temperature conditions specified in Table III and4.2.3.22. A simlated assembly loaded with a dummy cartridge containing a temperature sensitive element shall be placed in the temperature conditioning chamber at the same time as the r
39、emover samples. The conditioning time shall be a minimum of one hour longer than the time necessary to bring the element contained in the dummy cartridge to the required temperature. conditioning, each remover shall be tested as specified herein. Upon completion of the required temperature 5. PREPAR
40、ATION FOR DELIVERY 5.1 Packing and marking.-(Level A) - Packing and marking shall be in accordance with Drawings 8837890 and 9230161. changed to specify Remover, Aircraft Canopy, 82. Marking shall be 6. NOTES 6.1 Ordering data.-Procurement documents should specify the title, number and date of this
41、specification, 6.2 A “mechanical failure“ is defined as any deformation or breakage of a part, the occurrence of which is other than a design function. 6.3 “Ignition Delay“ is defined as the time that elapses between the firing of the cartridge primer and the beginning of the continuous rise in the
42、thrust time record. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-50776 13 777770b O330857 b - mL-R-50776( MU) 6.4 “Locked shut“ is defined as a condition in which the inside tube is restrained from moving upon firing the remover. 6.5 Super
43、session data.-This specification includes the requirements of Purchase Description FA-PD-MI-2419 dated 16 March 1962. Custodian: Army - MU Preparing activity : Army - MU(FA) Project No. 1377-A500 *U. S GOVERNMENT PRINTING OFFICE 1972 -714165/6674 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
