This page no longer updated from 31 October 2001. Latest version can be found at NK-9V

Manufacturer Name: NK-9V. Government Designation: 11D53. Other Designations: NK-19, NK-21. Designer: Kuznetsov. Developed in: 1959-65. Application: N-1 stage 2 (block V) / N-1 stage 3 (block G) / R-9 Stage 2. Used on stages: R-9 Stage 2. Used on launch vehicles: R-9. Propellants: Lox/Kerosene Thrust(vac): 45,000 kgf. Thrust(vac): 441.30 kN. Isp: 340 sec. Isp (sea level): 312 sec. Chambers: 1. Country: Russia. Status: Developed 1959-65. First Flight: 1965. References: 306 , 319 . Comments: Developed for 2nd stage of the R-9 ICBM (alternative to RD-111 engine by OKB-456). NK-9 with increased expansion ratio.
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Last update 12 March 2001.
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© Mark Wade, 2001 .