Used on tarawa class lha, nimitz class cvn, hayes class t-ag 195, ticonderoga class cg (47), wasp class lhd, forrestal class cv, arleigh burke class ddg, oliver perry class ffg, supply class aoe, spruance class dd (963).. weapon system essential
2a single mounting facility thread class 0.312" single mounting facility thread length 1.954" overall length tap, circular, bushing mount unef single mounting facility thread series