Used on lightweight torp workshop; w/s: fms-build frigates class ships; forrestal class cv; spruance class dd (963); torpedo systems, mk 46; fms-knox class ff; oliver perry class ffg; nimitz class cvn.
Used on in od box assy on main propulsion control system onboard 210 ft wmec cg vessels. 5.250" outside diameter expanding concentric ring style ring id 4.312 in. nom; item has no joint tin inside periphery surface treated
