1.6485" overall width 2.1651" bore diameter two slots through counterbore face 180 degrees apart, retainer silver plated per ams 2412, 81343 92c counterbored outer rings, non-separable, face to face mounting
0.4010" overall length 4 slots 0.1870 porm 0.0050 in. w.by 0.1580 in. deep in od flange surface, left end surface of flange 22c solid, external flange one end