2b single mounting facility thread class 11.395" overall length 2.812" overall width 24 single mounting facility thread quantity per inch shaft undercut 0.125 in. tap, circuit selector unc single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 2.312" overall length 1.250" 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 1.500" overall length 1.375" overall width circular wafer, bushing mount unef single mounting facility thread series