2b single mounting facility thread class 14.870" overall length 2.810" overall width 24 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series
2a single mounting facility thread class 0.370" single mounting facility thread length 2.361" overall length circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 2.656" overall length 1.609" overall width circular wafer, bushing mount unef single mounting facility thread series