Saturn MS-II-4(S)B

Gross Mass: 494,100 kg (1,089,300 lb). Empty Mass: 42,300 kg (93,200 lb). Thrust (vac): 5,169.000 kN (1,162,037 lbf). Isp: 421 sec. Burn time: 355 sec. Propellants: Lox/LH2. Isp(sl): 200 sec. Diameter: 10.06 m (33.00 ft). Span: 10.06 m (33.00 ft). Length: 24.84 m (81.49 ft). Country: USA. No Engines: 5. Engine: J-2. Status: Study 1968.

Standard S-II but with structural strength increased from 86% to 502% depending on station, resulting in 8.6% increase in empty weight.

Used on Launch Vehicles:

Saturn MLV-V-4(S).

Saturn V-23(L).

Saturn V-24(L).

Saturn V-25(S)B.

Saturn V-25(S)U.

Saturn V-4X(U).

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