Used on yhelicopters uscg search and rescue hh-60j,search and rescue hh-60h,carrier based asw sh-60f,ticonderoga class cg(40),los angeles class ssn(688),sturgeon class ssn(637),forrestal class cv,spruance class dd(963),virginia class cgn(41). weapons system essential
2a single mounting facility thread class 0.375" single mounting facility thread length 3.969" overall length circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.125" overall width circular wafer, bushing mount unef single mounting facility thread series