Used on over the horizon back scanner (oth-b) program (an/fps-118);support equipment,b-1 aircraft;sonar rubber domes (srds);nimitz class cvn;virginia class cgn (41);aircraft,stratofortress b-52;ticonderoga cg (47);truck,fl (m10a);spruance class dd (963);radar set lt air traffic control (17m jul83)(an/tps-63). 1.840" center hole diameter
