Kosberg N2O4/UDMH rocket engine. Proton stage 3 vernier. In Production. Based on RD-0207. Four used as steering engines for Proton Stage 3 in system RD-0212. First flight 1967.
AKA: 8D811. Status: In Production. Date: 1962-68. Thrust: 30.98 kN (6,965 lbf). Specific impulse: 293 s.