2b single mounting facility thread class 0.370" overall length 1.700" overall width 56 single mounting facility thread quantity per inch rectangular indicating unc single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 2.075" overall length circular wafer, bushing mount unef single mounting facility thread series
0.250" single connection inside diameter 3.900" overall length 18 single pressure connection thread quantity per inch cylindrical npt single pressure connection thread series