J57-19

Designer: Pratt and Whitney. Propellants: Air/Kerosene. Thrust(vac): 53.800 kN (12,095 lbf). Thrust(sl): 48.900 kN (10,993 lbf). Isp: 5,142 sec. Burn time: 48,000 sec. Chambers: 1. Country: USA. Status: Out of production. First Flight: 1959. Last Flight: 1968. Flown: 2,712.

Thrust is maximum sea level thrust; specific impulse is sea level value at that thrust.

J57-19 used on Rocket Stages

Used on stage: NB-52. on launch vehicle: X-15A.

Used on stage: NB-52. on launch vehicle: X-15A-2.

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