2a single mounting facility thread class 0.375" single mounting facility thread length 2.094" overall length 1.297" overall width circular wafer, bushing mount unef single mounting facility thread series
2b single mounting facility thread class 2.564" overall length 32 single mounting facility thread quantity per inch circular wafer, bushing mount unc single mounting facility thread series
2b thread class right-hand 0.694" overall length 0.694" overall width 56 thread quantity per inch nickel alloy surface treated straight type w/flange unc thread series
2b thread class right-hand 2.165" overall length 1.312" overall width 32 thread quantity per inch cadmium surface treated hood, top opening w/jackscrew unc thread series