An item which consists of a caisson containing a swivelling fin guided in its rotative motion by two bearings. the fin has a rear hinged or pivoted section and different functioning systems such as an incidence system, a locking system and a collapsible system. it is mounted on a ship hull to improve its stability when it is at sea.
NSN 6320-00-500-3775
NSN 5999-01-131-9151
NSN 6320-01-240-4637
NSN 6620-00-620-3089
NSN 6610-01-368-7150
NSN 5895-00-893-6057
NSN 6110-01-451-6087
NSN 6220-01-131-5295
NSN 5835-00-155-1379
NSN 6130-00-216-9214
NSN 6145-00-686-8651
NSN 6620-01-542-8709