2a single mounting facility thread class 0.437" single mounting facility thread length 2.937" overall length tap, circular, bushing mount unef single mounting facility thread series
2b single mounting facility thread class 4.531" overall length 2.406" overall width 24 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series
2b thread class right-hand 2.500" overall length 1.015" overall width 18 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 1.432" overall length snap or line unf single mounting facility thread series