Used on w/s:sturgeon class ssn (637); radar set, lightweight 3d (an/tps-59); helicopter, mh-53e; transponder (tsec/kit-1a); interrogation computer (kir-1a); spruance class dd (963); los angeles class ssn (688); aircraft, c-2a (reprocured); forrestal class cv. 0.377" hole diameter 0.493" outside diameter 0.022" material thickness nickel surface treated flat internal teeth