2a single mounting facility thread class 8.000" overall length 3.620" overall width 18 single mounting facility thread quantity per inch unc single mounting facility thread series
2a single mounting facility thread class 1.840" overall length 1.310" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2a single mounting facility thread class 7.250" overall length 6.870" overall width 20 single mounting facility thread quantity per inch unc single mounting facility thread series