Used on xsturgeon class ssn (637), spruance class dd (963), kidd class ddg, ticonderoga class cg (47), oliver perry class class ffg, nimitz class cvn, virginia class cgn (41), forrestal class cv, wasp class lhd, los angeles class ssn (688).. 0.250" single mounting facility thread length 2.938" overall length 0.937" overall width weapon system essential circular wafer, bushing mount unef single mounting facility thread series
