by A.E. Nudel'man with assistance by A.A. Suranov, V. Nemenov, A.A. Rikhter and P. Gribkov.
Designed in 1946 to replace NS-37 cannon of 1941. 23% drop in muzzle velocity was compensated by 60% increase in fire rate. Weight was cut by 30%, weapon became more compact and suitable for light jet fighters: MiG-9, MiG-15 and others. The N-37D was an improved variant of the basic design.
|Rate of fire||400rpm|