2a single mounting facility thread class 2.220" overall length 1.780" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
0.250" single connection inside diameter 0.250" single pressure connection thread length 3.938" overall length 3.734" overall width 18 single pressure connection thread quantity per inch rectangular npt single pressure connection thread series
2a single mounting facility thread class 3.312" overall length 1.875" overall width 24 single mounting facility thread quantity per inch 50 psi max air pressure rating unf single mounting facility thread series