2a single mounting facility thread class 0.430" single mounting facility thread length 1.860" overall length tap, circular, bushing mount unef single mounting facility thread series
2b thread class right-hand 2.250" overall length 1.417" overall width 18 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series
2a thread class right-hand 2.812" overall length 1.062" overall width 24 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series
Used on airport surveillance detection equipment (asde3). 2a thread class right-hand 2.644" overall length 0.900" overall width 40 thread quantity per inch chromate zinc surface treated hood type w/handle unc thread series