5.375" overall length 2.875" overall width 20 single mounting facility thread quantity per inch shaft includes threaded pin located 90 deg from flat of shaft tap, circuit selector unc single mounting facility thread series
2b single mounting facility thread class 5.000" overall length 1.891" overall width 20 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 2.344" overall length 2.000" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.781" overall length snap or line unef single mounting facility thread series