0.3480" first hole diameter 3.4920" overall length 2 oil grooves on face of flange 1/8 in. wide by 1/16 in. deep, 180 deg apart 22c solid, external flange one end
0.6725" overall length plastic, polytetrafluoroethylene liner bonded to left end surface of flange anodize outside diameter surface of body surface treated 22c solid, external flange one end