4.080" overall length 0.270" overall width left side d shaped pin guide rotated 270.0 deg, right side d shaped pin guide rotated 225.0 deg clockwise from normal
Used on dsturgeon class ssn(637),kidd class ddg,los angeles class ssn(688),arleigh burke class ddg,nimitz class cvn,virginia class cgn(41),forrestal class cv,spruance class dd(963),ticonderoga class cg(47). weapon system essential