7.3750" overall length 2.0312 in. radius of flange on upper half of both segments, 1.8594 in. radius of flange on lower half of both segments, upper half of center flange outside left corner undercut 0.1250 in. w by 0.1718 in., style 69 internal groove in lower half of half a 21b segmented, external flange
1.1780" overall length internal flange threaded with 0.562-24 class 3b threads 0.1950 in. lg, left end counterbored to 0.6870 in. dia by 0.2250 in. lg, left end od first step 0.8120 in. dia by 0.2250 in. lg 2nd step 1.0550 in. dia by 0.0750 in. lg