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NK-21
Part of NK-9 Family
Kuznetsov LOx/Kerosene rocket engine. N-1 stage 3 (block V). Out of production. Based on NK-9 engine. Propellants kerosene T-1 / LOX. 4 engines used in N-1 stage 3 (block V). Used on N1 launch vehicle. First flight 1969.

AKA: 11D53;NK-9V. Status: Out of production. Date: 1962-72. Number: 16 . Specific impulse: 318 s.



Country: Russia. Launch Vehicles: N1, N1 1969. Propellants: Lox/Kerosene. Stages: N1 Block V. Agency: Kuznetsov bureau.

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