SSN 661 Specs

Sturgeon Class
Fast Attack Nuclear Submarine
  • Builders: General Dynamics Electric Boat Division; General Dynamics, Quincy Shipbuilding Division; Ingalls Shipbuilding; Portsmouth Naval Shipyard; San Francisco Naval Shipyard; and Newport News Shipbuilding.
  • Power Plant: One nuclear reactor, two geared steam turbines, one shaft.
  • Length: 292 feet (89 meters), (SSN 637-677);
    300 feet (91.44 meters) SSN (678-687).
  • Beam: 32 feet (9.75 meters).
  • Displacement: Approx. 4,640 tons (4176 metric tons) submerged.
  • Speed: 20+ knots (23+ miles per hour, 36.8+ kph).
  • Crew: 12 Officers, 100 Enlisted.
Back to top
SSN 661, nuclear submarine and SS 260, diesel submarine. A history, reunion and crew contact site. Images, sounds and so much more! Welcome Aboard. SSN 661 info, navy, lapon, USSLAPON, USS, U.S.S. Lapon, usslapon, u.s.s.lapon, USSLAPONSSN661 usslapon ssn661, navy, sub, subs, nuclear subs, nuclear, silent service, ssn 661, cold war., Nuclear Submarine, Submarine, usslaponssn661, Crew Contacts, Reunion information.