Used on spruance class dd (963); arleigh burke class ddg; nimitz class cvn; kidd class ddg; forrestal class cv; sturgeon class ssn (637); los angeles class ssn (688); virginia class cgn (41); ticonderoga class cg (47). weapon system essential
2a single mounting facility thread class 0.250" single mounting facility thread length 1.600" overall length 1.250" overall width circular wafer, bushing mount unef single mounting facility thread series
