120mm Gun (m1a1) Ft Combat Tank Parts

End item NSN parts page 1 of 24
Part Number
NSN
NIIN
00-60-8216-0313-070 Electrical Contact
003974113
00-8352-009-751-532 Electrical Receptacle Connector
014403240
00-8352-009-752-532 Electrical Receptacle Connector
014403240
000-05751 Glow Plug
014566985
0072068 Seat Adjuster Track
010698053
0072069 Seat Adjuster Track
010698054
010-000-338 Electrical Special Purpose Cable
011911479
019282-3 Annular Ball Bearing
001091183
0216800 Electrical Solenoid
010792910
02654 O-ring
004359355
03-070633 Vehicular Universal Joint
010684069
03-070633 REV8 Vehicular Universal Joint
010684069
03-070663 REV12 Vehicular Universal Joint
010684069
031-8555-051 Electrical Contact
013438908
033357 Centrifugal Fan Assembly
010748948
033357000 Centrifugal Fan Assembly
010748948
034-C-69 O-ring
004359355
038498-90 Fluid Filter Element
011014145
045504 Dial Indicating Pressure Gage
001718134
05068-05185-3 Radial A Ball And Roller Bearing
011846815
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Tank, Combat, Ft, 120mm Gun (m1a1)

Picture of 120mm Gun (m1a1)  Ft  Combat Tank

The Rheinmetall 120 mm gun is a smoothbore tank gun designed and produced by the West German Rheinmetall-DeTec AG company, developed in response to Soviet advances in armor technology and development of new armored threats. Production began in 1974, with the first version of the gun, known as the L/44 as it was 44 calibers long, used on the German Leopard 2 tank and soon produced under license for the American M1A1 Abrams and other tanks. The American version, the M256, uses a coil spring recoil system instead of a hydraulic system. The 120-millimeter (4.7 in) gun has a length of 5.28 meters (17.3 ft), and the gun system weighs approximately 3,317 kilograms (7,313 lb).

By 1990, the L/44 was not considered powerful enough to deal with future Soviet armour, which stimulated an effort by Rheinmetall to develop a better main armament. This first involved a 140-millimeter (5.5 in) tank gun named Neue Panzerkanone 140 ("new tank gun 140"), but later turned into a compromise which led to the development of an advanced 120 mm gun, the L/55, based on the same internal geometry as the L/44 and installed in the same breech and mount. The L/55 is 1.3 meters (4.3 ft) longer, giving increased muzzle velocity to ammunition fired through it. As the L/55 retains the same barrel geometry, it can fire the same ammunition as the L/44.

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