1、MIL-M-45945A m 9999906 1977346 033 m 4 May 1994 SUPERSEDING MIL-M-45945 22 May 1972 MILITARY SPECIFICATION MACHINE GUN, 7.62MM: M60D This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements, ga
2、s operated, air examinations and tests for one type of 7.62mm, cooled, link belt fed, lightweight machine gun furnished with one spare interchangeable barrel assembly with bipod assembly. machine gun is designed to be fired with the M23, M24, M41 and M44 Helicopter Subsystems (see 6.1). The 2. APPLI
3、CABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specification, standards and handbooks. The following specifications, standards, and handbooks form a part of this document to the extend specified herein. specified, the issues of these documents are those listed in the issue of the Department of Defe
4、nse Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). Unless otherwise Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document, should be addressed to: Commander, U.S.
5、Army ARDEC, ATTN: SMCAR-BAC-S, Picatinny Arsenal, New Jersey 07806-5000 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 1005 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Pr
6、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-45945A 9999906 1977347 TiT MIL-M-45945A SPECIFICATIONS MILITARY MIL-P-116 - MIL-1-8754 - MIL-W-13855 - MIL-L-45403 - MIL-1-45607 - MIL-L-46000 - MIL-C-46477 - MIL-C-46931 - MIL-D-60573 - MIL-W-63150
7、 - MIL-A-70625 - STANDARDS MI L I TARY MIL-STD-109 MS 16562-151 MS 17990-C519 MS 24665-18 MS 39086-81 MS 51923-105 Preservation, Methods of Inhibitors, Corrosion, Volatile, utilization of Weapons, Small Arms and Aircraft Armament Subsystems, General Specification for Link, Cartridge, Metallic Belt,
8、7.62mm, M13 Inspection Equipment, Acquisition, Maintenance and Disposition of Lubricant, Semi-Fluid (Automatic Weapons) Cartridge, 7.62mm, Nato, Test, High Pressure, M60 Cartridge, 7.62mm, Nato, Ball, M80 Dummy Cartridge, 7.62mm, M172, Inert Loaded Weapons and Support Materiel, Standard Quality Assu
9、rance Provisions for Automated Acceptance Inspection Equipment Design, Testing and Approval of - Quality Assurance Terms and Definitions - Pin, Spring - Tubular, Slotted - Pin, Quick Release, Positive Locking, - Pin, Cotter (Split) - Pin, Spring-Tubular, Coiled, Heavy Duty - Pin, Spring-Tubular, Coi
10、led, Standard Double Acting, Ring Handle Duty (Unless otherwise indicated, copies of federal and military specifications, standards and handbooks are available from the DODSSP - Customer Service, Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2
11、Other Government documents, drawinqs and publications. The following other Government documents, drawings and publica- tions form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. 2 Provided by IHSNot for ResaleNo repr
12、oduction or networking permitted without license from IHS-,-,-MIL-M-45945A = 9999906 1977348 90b MIL-M-45945A DRAWINGS (see 6.11) U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER ( ARDEC 1 PRODUCT DRAWINGS 11699750 - Machine Gun, 7.62mm: M60D (Part drawings referenced in this specific
13、ation form a part of drawing 11699750.) INSPECTION 7273907 7273911 7273920 7273925 7274136 7274295 7274381 7274459 7274515 7318984 8440920 11017785 11703783 11703790 EQUIPMENT DRAWINGS Fixture, Targeting and Accuracy Specification, Belt Clearance Requirements Gage, Timer, Firing Cycle Fixture, Fire,
14、 Proof, Function and Endurance Instruction Sheet for Measuring Headspace Gage, Flush Pin Gage, Fixture, Holding Gage, indicator Fixture, Holding Gage, Indicator Cylinder, Pressure Fixture, Targeting and Accuracy Firing Fixture, Fire, Proof Function and Endurance Fixture, Trigger Pull PACKAGING DATA
15、P11699750 - SHEET Packaging Data Sheet for Machine Gun, 7.62mm: M60D, with Equipment PUBLICATIONS U.S. ARMY TM-9-1005-224-24P - Organizational, Direct Support, and General Support Maintenance Manual for Machine Gun, 7.62mm: M60 w/e (1005-00-605-7710); Mount , Tripod, Machine Gun, and Machine Gun, 7.
16、62m, M60D w/e 7.62m111, M122 (1005-00-710-5599) ; (1005-00-909-3002) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-45945A m 9999906 1977349 842 MIL-M-45945A (Copies of other Government documents, drawings and publications required by contra
17、ctors in connection with specific acquisition fLnctions should be obtained from the contracting activity or as directed by the contracting activity.) 2.3. Order of precedence. In the event of a conflict between the text of this document and the references cited herein (except for related associated
18、detail specifications, specification sheets, or MS standards), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. (See contract provisions for additional precedence criteria.) 3, REQ
19、UIREMENTS 3.1 First article. Requirements for submission of a first article bv the contractor shall be as specified in the contract (see 6.2): Unless otherwise specified (see 6.2) the first article shall include the pilot pack (see 5.1). 3.2 Material and construction. Machine guns and parts shall co
20、nform to the materials and construction requirements specified herein, on Drawing (dwg) 11699750 and drawings applicable thereto, and shall be in accordance with the applicable materials and construction processes of MIL-W-13855. 3.3 Desiqn. Machine guns and parts shall conform to the design specifi
21、ed herein, on dwg 11699750 and drawings applicable thereto, and shall be in accordance with the applicable design provisions of MIL-W-13855 barrel assembly with bipod assembly shall be capable of being manually assembled to and disassembled from the receiver assembly (11686308) when the barrel lock
22、(11010184) is in the vertical position and when the bolt assembly (11010357) is fully retracted. The barrel assembly with bipod assembly shall be so fabricated that when the machine gun is completely assembled, the requirements for targeting and accuracy (3.4.6) shall be met. 3.3.1.1 Barrel assembly
23、 (7269028). The barrel assembly shall be free of cracks and seams and the bore and chamber shall be free of pits. The chromium plating shall be free of nodules, flaking, stripping, anode burns and evidence of etched base steel. No mechanical methods for removal of chromium plating are permitted in t
24、he tube bore. Burrs and sharp edges shall be 3.3.1. Barrel assembly with bipod assembly (7269027). the . . 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-45945A m 9999906 i977350 564 MIL-M-45945A removed from chamber edges and scratches or m
25、arks, occurring in a chamber which otherwise meets the surface roughness requirements, shall be permitted provided they do not cause marks on the case of a M60 High Pressure Test Cartridge (MIL-C-46477) fired in the chamber. The barrel assembly shall be proof and magnetic particle inspection marked
26、in accordance with dwg 7269028. a. b. C. d. Tube assembly (7269042). The tube assembly shall be proof, magnetic particle inspection and manufacturing identification marked in accordance with dwg 7269042. Gas cylinder (7269036). The gas cylinder shall be fastened securely on the tube assembly (726904
27、2) by the gas cylinder rivets (7269039) so that there shall be no relative movement. With the barrel assembly with bipod assembly (7269027) disassembled from the receiver assembly (11686308), the gas piston (7791247) shall move of its own weight through its full range of travel in the gas cylinder.
28、Front siqht (7269040). The front sight shall be fastened securely on the tube assembly (7269042) by the front sight rivets (7269038) so that there shall be no relative movement. Socket (7269041). The socket shall be assembled to the tube assembly to meet headspace requirements, and torqued to the re
29、quirement of dwg 7269028. The socket shall be locked in position by a key (7269037) which is staked in two places. The manufacturers material and heat treatment lot numbering shall be visible on the socket. 3.3.1.2 Bipod assembly (7793009). The bipod assembly shall be retained on the barrel assembly
30、 (7269028) by the flash suppressor (7269034) and when assembled shall be capable, by its own weight, of rotating on the tube assembly (7269042) between its stop positions. The leg assemblies (7269046 and 7269047) shall lock in place in the open or folded positions and shall be capable of being manua
31、lly released from each position by a pull action within the load limits specified on dwg. 7793009. The foot assemblies (7269055 and 7269061) shall be capable of being manually released from each position by a pull action within the load limits specified on drawings 7269046 and 7269047 respectively a
32、nd shall lock under spring action of the retainer spring (7269059) in any of the five locking positions. The foot assemblies shall not retract from any locked position unless the retainer springs are manually depressed. Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
33、ense from IHS-,-,-MIL-M-45945A 3.3.1.3 Flash suppressor (7269034). The flash suppressor shall be fastened securely to the barrel assembly (7269028) by the staked pin (12599983) so that there shall be no relative movement. 3.3.1.4 Gas cylinder extension (72690301, nut (7269031) and plus assembly (936
34、2515). The gas cylinder extension and nut shall be assembled securely to the gas cylinder (7269036) so that there shall be no relative movement and shall be retained by the lock washers (7269035). The gas cylinder plug assembly shall be assembled to the gas cylinder and shall be retained by the capt
35、ive lock washer (9362513). . 3.3.2 Rear sisht assembly (11699796). The rear sight base (11699797) shall be staked securely to the dovetail recess of the receiver assembly (116863081, after targeting and accuracy firing 3 test, so that there shall be no relative movement of the rear sight base. The r
36、ear sight (11699799) shall be retained by the rear sight ?crew (11699798) and nut (11699763) so that there shall be no relative movement of the rear sight on the screw. The rear sight shall move manually between the horizontal and vertical positions and shall be held in the vertical position under s
37、pring action until manually changed. 3.3.3 Barrel lock (110101841. When in the locked position, the barrel lock shall be capable of being manually unlocked by the application of finger pressure to the barrel lock retaining ring (11010377) so that the barrel lock is moved through its full range of tr
38、avel to the right. When unlocked, the barrel lock shall be capable of being pivoted manually between the closed (horizontal) and open (vertical) positions. It shall be held in the open position by spring action permitting the barrel assembly with bipod assembly (7269027) to be assembled to or disass
39、embled from the receiver assembly (11686308). When the barrel lock is returned to the closed position it shall lock under spring action. When in the closed position, the barrel lock shall be capable of retaining the barrel assembly with bipod assembly in the receiver assembly. 3.3.4 Bolt assembly (1
40、1010357). With the cover assembly (7269114) opened and the bolt assembly disengaged from the operating rod yoke (93625091, the bolt assembly shall move of its own weight through its full range of travel in the slideways of the receiver assembly (11686308). Firing pin protrusion shall be as specified
41、 on dwg 11010357. The bolt assembly shall be proof and magnetic particle inspection marked in accordance with dwg 11010358. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-45945A 3.3.4.1 Cam actuator assembly (7269063). The cam actuator assem
42、bly shall be retained on the bolt assembly (11919357) by the bolt plug assembly (9362505) and shall rotate without binding on the bolt assembly (9362505) and shall rotate without binding on the bolt assembly. The bolt guide roller (7269091) and the cam actuator roller (7269090) shall be retained on
43、the cam actuator assembly by the roller rivet (7269089) and shall rotate without binding on the cam actuator assembly. 3.3.4.2 Ejector (11010375). The ejector shall be retained in the bolt (11010358) by the spring pin (MS 39086-81) and shall be held in the forward position by spring action. shall mo
44、ve through its full range of travel under spring action without binding. The ejector 3.3.4.3 Extractor (7790907). The extractor shall be retained in the bolt (11010358) by the extractor plunger (7269083) and spring (7269086). The extractor shall move through its full range of travel under spring act
45、ion without binding. 3.3.4.4 Firins pin (11010376). The firing pin shall move through its full range of travel in the bolt (11010358) under spring action without binding. 3.3.5 Buffer assembly (11010518). The buffer assembly shall be retained in the receiver assembly (11686308) by the buffer retaini
46、ng yoke (11699786). The buffer retaining yoke and the buffer assembly shall disassemble from the receiver assembly without the use of tools. The plunger 911010541) shall be capable of being moved through its full range of travel in the buffer body (11010543) and shall return to its original position
47、 by spring action after partial or full travel. 3.3.6 Back plate assembly, spade grip (11699751). The back plate assembly shall be securely retained on the receiver assembly (11686308) by the knob and pin assembly (11699769) so there shall be no relative movement. shall readily assemble to and disas
48、semble from the receiver assembly without the use of tools. The back plate assembly 3.3.6.1 Knob and pin assembly (11699769). The knob and pin assembly shall be retained in the back plate assembly by th retaining ring (11699772). 3.3.6.2 Knob lock pin (11699768); The knob lock pin shall be retained
49、in the trigger and frame assembly (11699752) by the spring pin (MS 16562-151) and shall move through its full range of travel without binding. The knob lock pin shall be normally 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-45945A = 9999906 1977353 233 MIL-M-45945A e returned to and held in the protruding position by spring action. The knob lock pin shall lock the knob and pin assembly
