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UR-700-4
N2O4/UDMH propellant rocket stage. Estimated empty mass. Three used to propel LK-700 spacecraft towards moon.

Status: Development ended 1968. Thrust: 131.40 kN (29,540 lbf). Gross mass: 33,500 kg (73,800 lb). Unfuelled mass: 1,900 kg (4,100 lb). Specific impulse: 326 s. Burn time: 760 s. Height: 6.20 m (20.30 ft). Diameter: 2.70 m (8.80 ft). Span: 2.70 m (8.80 ft).

Country: Russia. Engines: RD-0210, 11D423. Launch Vehicles: UR-700. Propellants: N2O4/UDMH.
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