2a single mounting facility thread class 0.312" single mounting facility thread length 3.237" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 6.750" overall length 2.000" overall width circular wafer, bushing mount unef single mounting facility thread series
Used on spruance class dd(963),los angeles class ssn(688),powhatan class t-atf 166,kidd class ddg,arleigh burke class ddg,virginia classcgn(41),ticonderoga class cg(47),sturgeon class ssn(637),forrestal class cv,nimitz class cvn. 0.325" overall length 0.390" overall width weapons system essential