2a single mounting facility thread class 2.280" overall length 1.390" overall width 40 single mounting facility thread quantity per inch unc single mounting facility thread series
2b single mounting facility thread class 3.120" overall length 3.120" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2b second mounting facility thread class 4.220" overall length 3.250" overall width release time is variable, controlled pneumatically by a calibrated dial unc second mounting facility thread series
2b single mounting facility thread class 1.500" overall length 1.015" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2b single mounting facility thread class 1.620" overall length 1.090" overall width 40 single mounting facility thread quantity per inch unc single mounting facility thread series
2a single mounting facility thread class right-hand single mounting facility 1.390" overall length 0.734" overall width 48 single mounting facility thread quantity per inch unc single mounting facility thread series