2a single mounting facility thread class 0.312" single mounting facility thread length 1.962" overall length tap, circular, bushing mount unef single mounting facility thread series
Used on helicopter advance attack ah-1w,search and rescue hh-60h,mh-53e,asw sh-60f,uscg search and rescue hh-60j,aircraft intruder a-6e,hawkeye e-2c,tomcat f-14,viking s-3b. axial terminal each end