37 mm automatic air defense gun M1939 (61-K)
Soviet anti-aircraft gun / From Wikipedia, the free encyclopedia
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The 37 mm automatic air defense gun M1939 (61-K) (Russian: 37-мм автоматическая зенитная пушка образца 1939 года (61-К)) is a Soviet 37 mm calibre anti-aircraft gun developed during the late 1930s and used during World War II. The land-based version was replaced in Soviet service by the AZP S-60 during the 1950s. Guns of this type were successfully used throughout the Eastern Front against dive bombers and other low- and medium-altitude targets. It also had some usefulness against lightly armoured ground targets.
Quick Facts Type, Place of origin ...
37 mm automatic air defense gun M1939 (61-K) | |
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Type | Anti-aircraft gun Autocannon |
Place of origin | Soviet Union |
Service history | |
Used by | See Users |
Wars | World War II First Indochina War Korean War Vietnam War Laotian Civil War Cambodian Civil War Cambodian–Vietnamese War Sino-Vietnamese War Portuguese Colonial War Somali Civil War South African Border War Lebanese Civil War Syrian Civil War[1] Yemeni Civil War (2015–present) Saudi Arabian-led intervention in Yemen Tigray War |
Production history | |
Produced | 1939–1945 (USSR) |
No. built | 20,000 (USSR) |
Specifications | |
Mass | 2,100 kg (4,600 lb) |
Barrel length | 2.5 m (8 ft 2 in) L/67[2] |
Crew | 8[3] |
Shell | 37 × 252 mmSR[4][5] |
Shell weight | 730 g (1.61 lb) Frag-T 770 g (1.70 lb) AP-T |
Caliber | 37 mm (1.5 in) |
Recoil | Hydro-spring[3] |
Carriage | Four-wheeled with twin outriggers |
Elevation | −5° to 85° |
Traverse | 360°[2] |
Rate of fire | 160-170 rpm |
Muzzle velocity | 880 m/s (2,900 ft/s) |
Effective firing range | 4 km (13,000 ft) (effective ceiling) |
Maximum firing range | 5 km (16,000 ft) (maximum ceiling)[2] |
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