2a single mounting facility thread class 0.437" single mounting facility thread length 2.591" overall length tap, circular, bushing mount unef single mounting facility thread series
2b thread class right-hand 6.261" overall length 1.220" overall width 18 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series
Used on an/sps49v7. 2a thread class right-hand 2.125" overall length 18 thread quantity per inch 16-22 socket contacts in lieu of 16-16 uns thread series