2b thread class right-hand any acceptable overall length 18 thread quantity per inch cadmium surface treated straight type w/strain relief unef thread series
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
2a thread class right-hand 3.380" overall length 2.000" overall width 12 thread quantity per inch cadmium surface treated straight type w/cable clamp un thread series