2a single mounting facility thread class 0.437" single mounting facility thread length 2.591" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 1.292" overall length snap or line unf single mounting facility thread series
0.320" single pressure connection thread length 2.676" overall length 0.125" single connection outside diameter 27 single pressure connection thread quantity per inch cylindrical npt single pressure connection thread series