2a single mounting facility thread class 0.250" single mounting facility thread length 3.125" overall length 1.406" overall width circular wafer, bushing mount unef single mounting facility thread series
2b thread class right-hand 4.150" overall length 0.365" overall width 40 thread quantity per inch cadmium surface treated hood type w/flange unc thread series
2b thread class right-hand any acceptable overall length 1.750" overall width 18 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series