DOD-B-24668, MILITARY SPECIFICATION: BEARING UNIT, MAIN THRUST, SUBMARINE PROPULSION SYSTEM (27 AUG 1986)

DOD-B-24668, MILITARY SPECIFICATION: BEARING UNIT, MAIN THRUST, SUBMARINE PROPULSION SYSTEM (27 AUG 1986)., This specification covers propulsion system thrust bearing units for naval submarines, where such units combine a hydrodynamic thrust bearing, a vibration reducer and a journal (radial) bearing in a common housing and utilize an external force-fed lubricating oil system for the bearings and an external hydraulic system for the vibration reducer.