2a single mounting facility thread class 7.250" overall length 3.000" overall width calibrated 7.5, 9.5, 12.5, 13, f. not applicable unc single mounting facility thread series
2a single mounting facility thread class right-hand single mounting facility 7.000" overall length 2.250" overall width 32 single mounting facility thread quantity per inch calibrated 9, 12, 15 amps unc single mounting facility thread series
2a single mounting facility thread class 7.250" overall length 3.000" overall width calibrated at 24, 34, and 44 amps unc single mounting facility thread series
2b second mounting facility thread class right-hand second mounting facility 3.250" overall length 3.090" overall width 32 second mounting facility thread quantity per inch unc second mounting facility thread series
2b thread class right-hand 2.016" overall length 0.641" overall width 40 thread quantity per inch anodize surface treated hood, side opening w/clamp unc thread series