2b single mounting facility thread class 3.533" overall length 3.188" overall width 20 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series
2b single mounting facility thread class 3.906" overall length 3.000" 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 2.968" overall length 1.890" 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 2.717" overall length 1.890" 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 24 single mounting facility thread quantity per inch tap, circular frame unc single mounting facility thread series