2b single mounting facility thread class 3.156" overall length 2.219" overall width 24 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series
Used on sturgeon class ssn(637),los angeles class ssn(688),nimitz class cvn,oliver perry class ffg,deep submergence systems programs(dssp),fms helicopter sea king h-3,helicopter carrier based asw sh-60f,helicopter search and rescue hh-60h,uscg search and rescue hh-60j,fms ta-4j aircraft. weapon system essential
2a single mounting facility thread class 0.359" single mounting facility thread length 2.375" overall length circular wafer, bushing mount unef single mounting facility thread series
