2a single mounting facility thread class 0.312" single mounting facility thread length 3.037" overall length tap, circular, bushing mount unef single mounting facility thread series
Used on an/fmq-10 & -11. 2b thread class right-hand 3.435" overall length 18 thread quantity per inch t.o. 33A1-3-522-4; n/h/a cable assy cadmium surface treated r.f. threaded unef thread series