Ssr name is outer sleeve
A tubular part installed over the periphery of ship's main propulsion shafts which are exposed to salt water, i.E., propeller shafts intermediate shafts and stern tube shafts, in order to provide a bearing surface in way of water-lubricated stern tube and strut bearings.
Classification: Parts for compression-ignition internal combustion piston engines (diesel) for marine propulsion
NSN 5930-00-238-6963
NSN 6240-01-367-9626
NSN 6240-01-431-9827
NSN 4140-01-147-9258
NSN 5855-00-487-9691
NSN 6620-01-397-2260
NSN 2925-01-266-5229
NSN 6620-01-515-5378
NSN 6220-01-616-9805
NSN 5999-01-145-5084
NSN 7035-00-553-6951
NSN 4140-01-195-6489