ARMY MIL-A-45941-1971 ARMAMENT SUBSYSTEM HELICOPTER 7 62MM MACHINE GUN DOOR MOUNTED LIGHT WEIGHT M23 (LESS M60D MACHINE GUN)《M24型直升机装备子系统7 62mm大门装重量轻高射机枪(少于M60D机枪)》.pdf
《ARMY MIL-A-45941-1971 ARMAMENT SUBSYSTEM HELICOPTER 7 62MM MACHINE GUN DOOR MOUNTED LIGHT WEIGHT M23 (LESS M60D MACHINE GUN)《M24型直升机装备子系统7 62mm大门装重量轻高射机枪(少于M60D机枪)》.pdf》由会员分享,可在线阅读,更多相关《ARMY MIL-A-45941-1971 ARMAMENT SUBSYSTEM HELICOPTER 7 62MM MACHINE GUN DOOR MOUNTED LIGHT WEIGHT M23 (LESS M60D MACHINE GUN)《M24型直升机装备子系统7 62mm大门装重量轻高射机枪(少于M60D机枪)》.pdf(18页珍藏版)》请在麦多课文档分享上搜索。
1、I MIL-A-45741 LO 777770b 0307473 4 MIL-A-4 5941 (WC ) 7 December 1971 SUPLERSEDING (See Section 6) MILITARY SPECIFICATION ARMAMENT SUBSYSTEM, HELICOFTER, 7.624 MACHINE GUN: DOOR MOUNTED, LIGHT WEIGHT, M23 (Less M60D Machine Gun) 1. SCOPE 1.1 This specification covers one type llght weight armament s
2、ub- system providing tilo pintle mounted 7.62mm, 60 machine guns for right hand and left hand door installation on UH-ID type helicopter. 2. APPLICABLE 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 the speci- fica
3、tion to the extent specified herein. SPECIFICATIONS Military 1p-116 MIL-I- 6866 MIL-I- 6868 MIL-W- 8604 MIL-w-8611 MIL-W- 1385 5 MIL-I-45607 Preservation, Methods of. Inepection, Penetrant Method of. Inspection Process, Magnetic Particle. Welding of Aluminum Alloys; Process for. Welding, Metal Arc a
4、nd Gas, Steel, and Corrosion and Heat Resistant Alloys; Frocess for. Weapons, Small Arms and Aircraft Armament Subsystems, General Specification for, Inspection Equipment, Acquisition, Main- tenance and Disposition of. STANDARDS Military MIL-STD-105 - Sampling Procedures and Tables for In- MIL-STD-1
5、09 - Quality Assurance Terms and Definitions. MIL-STD-I261 - Welding Procedures for Constructional spection by Attributes. Steels. A Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DRAWINGS U.S. Army Weapons Command DI1699747 - .Armament Subsystem, H
6、elicopter, 7.62mm kchine Gun: Door Mounted, Light Weight, M23 1110131.66 - Index of Inspection Equipment Lists (Product drawings referenced in this specification are specified on Drawing Dii699747 and related assembly drawings ; acceptance inspection equipment drawings form a part of Drawing IEL1169
7、9747. ) PUBLICATIONS U.S. Army Weapons Command P8428049 - Packaging Data Sheet for Armament Subsystem, Helicopter: M23 (Copies of specifications, standards, drawings , and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activ
8、ity or as directed by the contracting officer. ) 3.1 First article, Requirement for submission of the first article Unless otherwise speci- shall be as 8 ecified in the contract (see 6.1). fied (see 6.17, first article shall include the pilot pack (see 5.1). 3.2 Materials and construction. The armam
9、ent subsystem and parts shall conform to the miterials and construction requirements specified herein, on Drawing Dl1699747 and drawings applicable thereto, and shall be in accordance with the applicable materials and construction provisions , of MIL-W-13855. 3.3 Design. The armament subsystem and p
10、arts shall conform to the - design specified herein, on Drawing Di1699747 and drawings applicable thereto, and shall be in accordance with the applicable design provisions of MILW-13855. 3.3.1 Welding. 3.3.1.1 Certification of welding, Unless otherwise specified (see 6.1), prior to production of any
11、 weldments, the contractor or manufacturer shall have Government approval of welding procedures and test specimens. ance with the applicable drawing and as specified herein. Welding of parts and subassenblies shall be in accord- -st 2 Provided by IHSNot for ResaleNo reproduction or networking permit
12、ted without license from IHS-,-,-MIL- A- 4 5 941 ( WC ) 3.3.1.2 Welded Joints. All welded joints of parts and subassemblies shall be sound and free from cracks. particle inspected in accordance with MIL-1-6868 and penetrant inspected in accordance with MIL-1-6866 as applicable. 3.3.2 Pintle and pint
13、le post assembly. 3.3.2.1 Pintle. Welded joints shall be magnetic The pintle shaU assemble in the pintle post and be retained in the pintle post by ballbearings. rotate throughout its full range of travel without binding. The pintle shall 3.3.2.2 Pintle post. The pintle post shall assemble in the ba
14、se mount assembly for either right or left side door mounting, and be securely attached so that there shall be no relative movement. of the pintle post assembly shall be in accordance with m-w-8611. Welding 3.3.3 Ammunition box and cover assembly. The ammunition box shall readily assemble to and dis
15、assemble from the ammunition box brackets on the base mount assembly, and when assembled shall be securely retained in place by the latches. The cover assembly shall readily assemble to the ammunition box and the latches be snapped securely in place so that there be no relative movement and can be m
16、anually removed by hand pressure, 3.3.4 Empty cartridge bag. The empty cartridge bag shall be capable of being retained and removed from the cartridge bag frame assembly. 3.3.5 Empty cartridge bag frame assembly. The empty cartridge bag frame assembly shall be capable of being attached to and remove
17、d from the weapon. without binding, and when released is returned to its original position by spring action. ance with MIL-STD-1261. The latch shall move freely through its 111 range of travel Welding of the cartridge bag frame shall be in accord- 3.3.6 Ammunition chute and brace assembly. The ammun
18、ition chute with the brace assembly shall chute linked ammunition from the ammunition box to the weapon, and shall be capable of being manually assernbled to and disassembled fromthe ammunition box and the weapon by the end fittings. 3.3.7 Base mount assembly. The base mount assembly shall be capabl
19、e of being assembled with pintle post, ammunition box, and forward and aft beam for either right or left door mounting. shall be in accordance with MIL-W-8604. Welding of the base mount 3.3.8 Endurance, The armament subsystem shall have a 90% probability of firing 10,000 rounds, and withstanding 100
20、 cycles of rough handling with- out malfunctions, unserviceable parts or cracking of welded joints with a 10% confidence level. Testing shall be as specified in 4.4.2.3 and 4.6.1. A m groups of parts fromthe second armament subsystem shall be taken in order and placed in trays 2,3, and 1; groups of
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