Used on forrestal class cv,nimitz class cvn,tarwwa class lha,austin ship class lpd-4 amphibious transport docks,oliver perry class ffg,supply class aoe,virginia class cgn(41),spruance class dd(963),safeguard class ars,whidbey island class lsd. 3.188" overall length weapon system essential circular wafer, bushing mount
2b single mounting facility thread class 4.906" overall length 4.125" overall width 20 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series
