Used on nimitz class cvn, forrestal classcv, emory s. land class as, virginia class cgn (41), sturgeon class ssn (637). loader scoop. b-52 aircraft support equipment. armored combat earthmover (m9). (aim-7) air to air sparrow missle. fore pumps.. 3.150" inside diameter 0.498" overall width collared slotted head screw weapon system essential passivate surface treated band