0.5156" first hole diameter 4.1700" overall length bore thd 2.250-12 un 3b rh 1.3500 in. deep cadmium surface treated 17c solid, plain, no outside flanges
1.0787" overall length plastic, polytetrafluoroethylene liner bonded to left end surface of flange anodize outer layer surface treated 22c solid, external flange one end