Used on nsupply class aoe, spruance class dd (963), forrestal class cv, oliver perry class ffg, emory s. land class as, whidbey island class lsd, wasp class lhd, tarawa class lha, cimmaron class ao, virginia class cgn (41). 0.250" single mounting facility thread length 2.750" overall length weapon system essential circular wafer, bushing mount unef single mounting facility thread series
