2a single mounting facility thread class 0.375" single mounting facility thread length 7.438" overall length 1.312" overall width circular wafer, bushing mount unef single mounting facility thread series
Used on nimitz class cvn, kidd class ddg, virginia class cgn (41), spruance class dd (963), ticonderoga class cg (47), oliver perry class ffg, forrestal class cv, los angeles class ssn (688), sturgeon class ssn (637). weapon system essential