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The NS-23 was a 23 mm aircraft cannon designed by A. E. Nudelman, A. Suranov, G. Zhirnykh, V. Nemenov, S. Lusin, and M. Bundin as a post-World War II replacement for the early VYa cannon. It entered service in 1945.
A synchronized version, designated NS-23S, was used for fixed installations firing through propeller blades.
Applications of the NS-23 included the Antonov An-2, Ilyushin Il-10, Ilyushin Il-22, Lavochkin La-7, Lavochkin La-15, MiG-9, Yakovlev Yak-7, Yak-9U, Yak-15, Yak-17, and Yak-23. Some early MiG-15s carried the NS-23, although it was shortly replaced by the NR-23.
The NS-23 was replaced in service by the Nudelman-Rikhter NR-23 around 1949.
Specifications
- Type: single-barrel automatic cannon
- Caliber: 23 mm (0.90 in)
- Operation: gas
- Length: N/A
- Weight (complete): 37 kg (81.6 lb)
- Rate of fire: 550 rpm
- Muzzle velocity: 690 m/s (2,264 ft/s)
- Projectile weight: 200 gram (7.05 oz)
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