2b single mounting facility thread class 4.625" overall length 2.656" overall width 20 single mounting facility thread quantity per inch tap, circuit selector un single mounting facility thread series
2b single mounting facility thread class 3.752" overall length 2.016" overall width 24 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series
2b single mounting facility thread class 3.688" overall length 2.016" 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 0.437" single mounting facility thread length 2.245" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.270" single mounting facility thread length 1.880" overall length circular wafer, bushing mount unef single mounting facility thread series