Used on test set. 2a single mounting facility thread class right-hand single mounting facility 1.580" overall length 0.750" overall width 48 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on pave mint tps. 2b single mounting facility thread class right-hand single mounting facility 1.813" overall length 1.188" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series