0.625" hole diameter 1.990" outside diameter 0.050" material thickness 1.945 in. dia counterbored an additional 0.065 in. deep by 0.542 in. w passivate surface treated recessed
Used on virginia class submarine, ssn-774;sturgeon class ssn (637);marine hardxware & hull doors;los angeles class ssn (688);level 1 / subsafe;submarine surveillance systems;type 2 periscope;periscope, type 18;austin ship class lpd-4 amphibious transport docks;fire pumps;helicopter, advance attack, ah-1w;landing craft air cushion (lcac);helicopter, carrier based asw, sh-60f;oliver perry class ffg;emory s. land class as;fms - knox class ff. 0.201" hole diameter 0.437" outside diameter 0.050" material thickness shouldered