2a single mounting facility thread class 0.391" single mounting facility thread length 1.735" overall length 1.125" overall width circular wafer, bushing mount unef single mounting facility thread series
Used on jkidd class ddg, sturgeon class ssn (637), arleigh burke class ddg, spruance class dd (963), ticonderoga class cg (47), nimitz class cvn, virginia class cgn (41), forrestal class cv, los angeles class ssn (688). weapon system essential axial terminal each end