2b thread class right-hand 1.040" overall length 1.450" overall width 4 thd mtg holes irregularly spaced, 4th thd hole extends out from right side of item passivate surface treated irregular shape unc thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 1.755" overall length circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 1.435" overall length 0.719" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 1.593" overall length snap or line unf single mounting facility thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 0.859" overall length snap or line unf single mounting facility thread series