2.1875" overall length 1.5000 in. radius upper half offlange, 1.3438 in. radius lower half of flange, 2.0625 in. dia by 0.5000 in. deep counterbore left end
2a thread class right-hand 0.2495" overall length 0.2505" bore diameter 24 thread quantity per inch chromium inner member surface treated shouldered ball type unf thread series
3a thread class right-hand 4.5937" overall length 0.6245" bore diameter 14 thread quantity per inch chromium inner member surface treated ball type unf thread series
Used on an/fps-26. 2.625" outside diameter additional set of four mounting holes 0.295 in. min dia 0.300 in. max dia, equally spaced on 2.218 dbc in alternating positions w/other mounting holes cadmium surface treated round