2b single mounting facility thread class 0.610" overall length 1.800" overall width 56 single mounting facility thread quantity per inch rectangular indicating unc single mounting facility thread series
Used on 6625-01-125-6794 plug-in unit,digital. 2a single mounting facility thread class 0.375" single mounting facility thread length 3.623" overall length circular wafer, bushing mount unef single mounting facility thread series