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Manufacturer Name: NK-21. Government Designation: 11D53. Other Designations: NK-9V. Designer: Kuznetsov. Developed in: 1962-72. Application: N-1 stage 3 (block V). Used on stages: N1 Block V. Used on launch vehicles: N1. Propellants: Lox/Kerosene Isp: 318 sec. Chambers: 1. Country: Russia. Status: Out of Production. First Flight: 1969. Last Flight: 1972. Flown: 16. References: 306 , 319 . Comments: Based on NK-9 engine. Propellants kerosene T-1 / LOX. 4 engines used in N-1 stage 3 (block V).
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Last update 12 March 2001.
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