Used on detecting set radar, an/apr-39(v)2; deep submergence systems programs (dssp); aircraft, c-2a (reprocured); sturgeon class ssn (637); helicopter, mh-53e; ticonderoga class cg (47); helicopter, search and rescue, hh-60h; helicopter, advance attack, ah-1w; aircraft, (ac-130h, mc-130h, ec-130e, hc-130). 40 thread quantity per inch weapon system essential uns thread series
2a single mounting facility thread class 0.417" single mounting facility thread length 4.049" overall length tap, circular, bushing mount unef single mounting facility thread series
2a thread class right-hand 0.875" overall length item must comply with requirements of defense electronics supply center production standard no. L01519 silver surface treated unef thread series
