Used on type no. t-195/grc-19. 2a single mounting facility thread class right-hand single mounting facility 1.344" overall length 0.953" overall width 40 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on type no. t-195/grc-19. 2b single mounting facility thread class 1.120" overall length 0.750" overall width unc single mounting facility thread series