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1、NflL-STD-637A NOTICE3 DECEMBER5,1995 MILITARYSTANDARD MACHINE distribution is unlimited INCH-POUND NOTICE OF INACTIVATION FOR NEW DESIGN MILITARY STANDARD MIL-STD-637A NOTICE 2 21 August 1989 MACHINE AND AUTOMATIC GUNS AND MACHINEGUN TRAINERS THROUGH 30-MM MIL-STD-637A dated 13 February 1961 and Not
2、ice 1 dated 10 December 1962 are Inactive for new design and are no longer used by the Navy except for replacement purposes.They may also be required for foreign military sales spares procurement. Preparing activity: Navy - AS (Project 1OO5-N732) AMSC N/AFSC 1005 DISTRIBUTION STATEMENT A. Approved f
3、or public release; distribution is unlimited. MIL-STD-637A Notice 1 10 December 1962 MILITARY STANDARD MACHINE AND AUTOMATIC GUNS MACHINEGUN TRAINERS THROUGH TO ALL ACTIVITIES: AND 30-MM 1. The following pages of Mil-Std-637A have been revised and supersede the pages listed. New pageDate v10 Decembe
4、r 1962 410 December 1962 910 December 1962 1110 December 1962 1710 December 1962 1810 December 1962 2710 December 1962 2810 December 1962 2910 December 1962 superseded page v 4 9 11 17 18 27 (29 (30 (31 Date 13 February 1961 13 February 1961 13 February 1961 13 February 1961 13 February 1961 13 Febr
5、uary 1961 13 February 1961 13 February 1961 13 February 1961) 13 February 1961) 13 February 1961) 2. Retain this notice and insert before the table of contents. Custodian: ArmyWC NavyWep Air ForcWRA Preparing Activity: ArmyWC (Springfield Armory) MIL-STD-637A 10 December 1962 CONTENTS Documents Page
6、 1 2 3 3 4 4 5 5 5 7 12 19 1 2 3 3.1 4 4.1 5 5.1 5.1.1 5.1.2 5.1.3 5.1.4 SCOPE REFERENCED DEFINITIONS Standardization classification GE N E R A L RE Q U I R E M E N T S Standard machineguns, automatic guns, and machinegun trainers. . . . . . . . . . . . . . DETAIL REQUIREMENTS . . . . . . . . . . .
7、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Detailed data for standard items . . . . . . . . . . . . . . . . . . . Caliber .30 machineguns. . . . . . . . . . . . . . . . . . . . . . . . . . 7.62-mm machineguns . . . . . . . . . . . . . . . . . . . . . . . . . . .
8、. . . . . . . . . . . . . . . . . . Caliber .50 machineguns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-mm automatic guns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIGURES Page M a c h i n e g u n , c a l i b e r
9、. 3 0 : M 3 71. 2. 3. 5. 6. 7. 9. 10. 11. 12. 6 8 10 13 14 16 21 22 25 26 Machinegun, 7.62-mm: M60 Machinegun, 7.62-mm: fixed, M73 . . . . . . . . . . . . Machinegun, caliber .50: Browning, heavy barrel (flexible), M2 Machinegun, caliber .50: Browning, heavy barrel (turret type), M2 Machinegun, cali
10、ber .50: fixed, M85 Gun, 20-mm, automatic: MK12 MOD 0 Gun, 20-mm, automatic: MK12MOD 3 Gun, 20-mm, automatic: M39A2 Gun, 20-mm, automatic: M61 APPENDIX Appendix A. Alphabetical index31 Supersedes page v of 13 February 1961 V MIL-STD-637A 10 December, 1962 4. GENERAL REQUIREMENTS 4.1 Standard machine
11、guns, automatic guns, and machinegun trainers. The following is a compilation of all standard machine and auto- matic guns and machinegun trainers through 30-mm arranged by weapon type. These items are authorized for procurement, stock, and issue in the military supply system and shall be used, wher
12、ever practicable, in future de- sign of military materiel. Detailed data on each item is contained in section 5 herein. 4.1.1 Machinregun. 4.1.1.1 Caliber .30. (a) Machinegun, caliber .30: M37. 4.1.1.2 7.62-mm. (a) Machinegun, 7.62-mm: M60. (b) Machinegun, 7.62-mm: fixed, M73. 4.1.1.3 Caliber .50. (
13、a) Machinegun, caliber .50: Browning, heavy barrel, (flexible), M2. (b) Machinegun, caliber .50: Browning, heavy barrel, (turret type) , M2. (c) Machinegun, caliber .60: Browning, heavy barrel, (turret type), M2G. (d) Machinegun, caliber .50: fixed, M85. 4.1.2 Automatic guns. 4.1.2.1 20-mm. (a) Gun,
14、 20-mm, automatic: MK 12 MOD 0. (b) Gun, 20-mm, automatic: MK 12 MOD 3. (c) Gun, 20-mm, automatic: M39A2. (d) Gun, 20-mm, automatic: M61. 4.1.3 Machinegun trainers. (None) Supersedes page 4 of 13 February 1961 4 booster assist, and has a short receiver, fixed headspace, a quick-change barrel, and a
15、flash hider. The M73 fixed machinegun is designed to fire the NATO 7.62-mm cartridge using the M13 linkthe same cartridge-link com- bination used with the M60 general purpose machinegun. The ammunition belt can be fed from either side of the weapon with change in cover as- sembly from one side to th
16、e other accom- plished by repositioning of parts. Empty links are discharged from the side opposite the ammunition belt; empty cartridge cases are ejected from the bottom of the receiver. The weapon is charged by means of an integral manual charger. Firing is by manual or sole- noid operation from t
17、he open-bolt position. The M73 fixed machinegun is used by the Army. Phystcal and performance characteristics: Weight of gun (complete)28 lb. Weight of barrel5 lb. 10 oz. Overall length of gun .3794 in. Overall length of barrel 22 in. Overall width of gun 4 13/32 in. Overall height of gun . 5 5/16 i
18、n. Method of operation Recoil (gas booster Method of cooling Rate of fire (rigid mount) Cookoff protection Direction of feed Headspace . . . . . . . . . . assist). Air. 350600 rpm. Yes (open bolt). Either side. Fixed. Method of charging gun Manual charger. Method of firingManual or solenoid. Case ej
19、ection Bottom of receiver. L i n k e j e c t i o nSide of receiver. Type link (M13) . . . . . . . . . . . . . Push through, metallic. Type safety . . , Spring-loaded slide block trigger. Type sight . . . . . . . None. Type flash hider . Cone. Weight of 100 linked round . . . . . . . . . . . . . . .
20、61b. Supersedes page 9 of 13 February 1961 MIL-STD-637A 10 December 1962 AccuracyNine shots of a 10- round burst shall group within or cut the edge of a 10.8 dia. circle at a range of 100 yards. Ammunition: Cartridge, 7.62-mm, ball, NATO, M59. Cartridge, 7.62-mm, high pressure, NATO, M60. Cartridge,
21、 7.62-mm, AP, NATO, M61. Cartridge, 7.62-mm, tracer, NATO, M62. Cartridge, 7.62-mm, dummy, NATO, M63. Cartridge, 7.62-mm, ball, NATO, M80. Cartridge, 7.62-mm, blank, NATO, XM82. Links: Link, cartridge, metallic belt, 7.62-mm, M13. 9 MIL-STD-637A 10 December 1962 THIS PAGE IS BLANK Supersedes page 11
22、 of 13 February 1961 11 5.1.3.4 Machinegun, caliber .50: fixed, M85. FSN 1005-690-2790 (see fig. 7). Description and application: The caliber .50, M85, fixed machinegun is an air-cooled, link-belt fed machinegun de- signed for tank cupola or coaxial installations. It is recoil operated, and has a sh
23、ort receiver, fixed headspace, a quick change barrel and a flash suppressor. The ammunition belt is fed from either side of the weapon with change from one side to the other accomplished by disassembling a limited number of compo- nents and repositioning them. Field stripping is easily and quickly p
24、erformed as quick re- lease pins and locking mechanisms are exten- sively used.The M85 fixed machinegun is used by the Army and the Marine Corps. Physical and performance characteristics: Weight of complete gun 61.5 lbs. Length including flash suppressor. . . . . . . . . . . .54.5 in. Width5.3 in. H
25、eight. . . . . . . . . . . . . . . 6.0 in. Barrel: Length . . . . . . . . . . . . . . . . .36.0 in. Weight . . . . . . . . . . . . .14.4 lb. Quick change . . . . . . . Yes. Method of operation. . . . . . . Recoil. Method of cooling . . . Air. Rate of fire w/rigid mount: High . . . . . . . . . . . .
26、. . .1050 50 rpm. Low . . . . . . . . . . . . . . . . . . 400 50 rpm. Cookoff protection. . . . . . Yes (open bolt). Direction of fend . . . . . . . . . Left or right Manual sear-off force (min.) . . . . . . . . . . . . . . . .30 1b. Belt pull . . . . . . . . . . . . . . . . . . . . . . 30 1b. Heads
27、pace . . . . . . . . . . . . . Fixed. Method of charging gun. . . Manual. Method of firing gun. . . . . . Manual or solenoid. Case ejection . . . . . . . . . . Side. Link ejection . . . . . . . . . . . . Side. Type link (M16) . . . . . . . . . Push through, metallic. Type safety . . . . . . . . . .
28、. . Spring lock. Type sightNone. Type flash suppressor. Weight of 100 linked rounds . . . . . . . . . . . . Accuracy . . . . . . . . . . . . MIL-STD-637A 10 December 1962 Prong. .29.2 lbs. (To be inserted when require- ments have been fully established). Ammunition: Cartridge, cal. .50, ball, M33. C
29、artridge, cal. .50, API M8. Cartridge, cal. .50, API and the fact that the Government may have formulated, furnished, or in any way supplied the said drawings, specifications, or other data is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or
30、 corporation, or conveying any rights or permis- sion to manufacture, use, or sell any patented inven- tion that may in any way be related thereto. Custodians: ArmyOrd NavyWep Air Force-WRA Supersedes page 27 of 13 February 1961 Preparing activity: Army-Ord 27 MIL-STD-637A 10 December 1962 THIS PAGE
31、 IS BLANK Supersedes page 28 of 13 February 1961 28 MIL-STD-637A 10 December 1962 APPENDIX A ALPHABETICAL INDEX Gun, automatic:Pages 20-mm: MK12 MOD 0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MK12 MOD 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32、. . . . . . . . . . . . . . . . MK 39A2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Machinegun: Cal. 30: M37 . . . . . .
33、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.62-mm: M60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M73 (fired) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34、. . . Cal. .50: M2, heavy barrel (flexible), . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M2, heavy barrel (turret type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M2G, heavy barrel (turret type) . . . . . . . . . . . . . . . . . . . . . . . .
35、. . . . . . . . . M85 (fixed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Trainers, machinegun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (None) Supersedes pages 29, 30 and 31 of 13 February 1961 29
36、Paragraph 4.1.2.1, 5.1.4.1 4.1.2.1, 5.1.4.2 4.1.2.1, 5.1.4.3 4.1.2.1, 5.1.4.4 4.1.1.1, 6.1.1.1 4.1.1.2, 5.1.2.1 4.1.1.2, 5.1.2.2 4.1.1.3, 6.1.3.1 4.1.1.3, 6.1.3.2 4.1.1.3, 6.1.3.3 4.1.1.3, 6.1.3.4 4.1.3 4, 19 4, 19 4, 23 4, 24 4, 5 4, 7 4, 7 4, 12 4, 12 4, 16 4, 17 4 MIL-STD-637A 10 December 1962 AP
37、PENDIX A ALPHABETICAL INDEX Gun, automatic: 20-mm: MK 12 MOD 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MK 12 MOD 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MK 39A2 . . . . . . . . . . . . . . . . . . . .
38、 . . . . . . . . . . . . . . . . . . . . . . . . . . . M61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Machinegun: Cal. 30: M37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.62-mm: M60 . . .
39、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M73 (fired) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cal. .50 : M2, heavy barrel (flexible) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M2, heavy barr
40、el (turret type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M2G, heavy barrel (turret type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M86 (fixed) ., . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Trainers, machineg
41、un . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (None) Paragraph 4.1.2.1, 5.1.4.1 4.1.2.1, 5.1.4.2 4.1.2.1, 5.1.4.3 4.1.21, 5.1.4.4 4.1.1.1, 5.1.1.1 4.1.1.2, 6.1.2.1 4.1.1.2, 6.1.2.2 4.1.1.3, 6.1.3.1 4.1.1.3, 6.1.3.2 4.1.1.3, 6.1.3.3 4.1.1.3, 6.1.3.4 4.1.3 Pages 4, 19 4, 1
42、9 4, 23 4, 24 4, 6 4, 7 4, 7 4, 12 4, 12 4, 16 4, 17 4 Supersedes pages 29, 30 and 31 of 13 February 1961 29 MIL-STD-637A 10 December 1962 APPENDIX A ALPHABETICAL INDEX Gun, automatic: 20-mm: MK 12 MOD 0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MK 12 M
43、OD 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pages MK 39A2 . . . . . . . . . . . . . . . . . . . M61 . . . . . . . . . . . . . . . . . . . . . . . . Machinegun: Cal. 30: M37 . . . . . . . . . . . . . . 7.62-mm: M60 . . . . . . . . . . . . .
44、 . . . . . . . . . M73 (fired) . . . . . . . . . . Cal. .50: M2, heavy barrel (flexible) . . . . . . . . . M2, heavy barrel (turret type) . . . . . M2G, heavy barrel (turret type) . . . , M85(fixed) . . . . . . . . . . . . . . . . . . Trainers, machinegun . . . . . . . . . . . . . . (None) Paragragh
45、 4.1.2.1, 5.1.4.1 4.1.2.1, 5.1.4.2 4.1.2.1, 5.1.4.3 4.1.2.1, 5.1.4.4 4.1.1.1, 5.1.1.1 4.1.1.2, 6.1.2.1 4.1.1.2, 5.1.2.2 4.1.1.3, 6.1.8.1 4.1.1.3, 5.1.3.2 4.1.1.3, 6.1.3.3 4.1.1.3, 5.1.3.4 4.1.3 4, 19 4, 19 4, 23 4, 24 4, 5 4, 7 4, 7 4, 12 4, 12 4, 15 4, 17 4 Supersedes pages 29, 30 and 31 of 13 Febr
46、uary 1961 29 MIL-STD-637A 13 February 1961 MACHINE AND AUTOMATIC GUNS AND MACHINEGUN TRAINERS THROUGH 30-MM SUPERSEDING MIL-STD-637 19 June 1958 MILITARY STANDARD UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON: 1961 For sale by the Superintendent of Documents, U.S. Government Printing Office Wa
47、shington 25, DC Price 571050-61-(1001) F S C 1 0 0 5 MIL-STD-637A 13 February 1961 ARMED FORCES SUPPLY SUPPORT CENTER WASHINGTON 25, D. C. Standardization Division Machine and Automatic Guns and Machinegun Trainers Through 30-MM MIL-STD-637A13 FEBRUARY 1961 1. This standard has been approved by the
48、Department of Defense and is mandatory for use by the Department of the Army, the Navy, and the Air Force. 2. In accordance with established procedure, the Standardization Division has designated the Ordnance Corps, the Bureau of Naval Weapons and Warner Robins Air Materiel Area, respectively, as Ar
49、my-Navy-Air Force custodians of this standard. 3. Recommended corrections, additions, or deletions should be addressed to the Standardization Division, Armed Forces Supply Support Center, Washington 25, D.C. ii MIL-STD-637A 13 February 1961 FOREWORD The purpose of this standard list guide design selection and limit procurement for stock and issue of adopted Machine and Automatic Guns and Machinegun Trainers through 30-MM in FSC 1005. Prepared by the Army Ordnance Corps in conjunction with the Department of Defense Standardi- zation Program, it is one of a series of limitation st