2a thread class right-hand 3.350" overall length 0.250" overall width 56 thread quantity per inch socket contacts are removed from position 1, 3, 28, 30, 31, 33, 58, 59, and 60 unc thread series
Used on hull obrp-03950. 3a single pressure connection thread class 3.528" overall length 0.438" single connection outside diameter 20 single pressure connection thread quantity per inch cylindrical unf single pressure connection thread series
2b single mounting facility thread class right-hand single mounting facility 5.875" overall length 7.500" overall width 20 single mounting facility thread quantity per inch unc single mounting facility thread series