Used on reduction gear onboard 378 ft whec,hull no. 715 only class coast guard vessels. 3.3750" overall width 12.5000" bore diameter straight bore, normal angle
0.3755" first hole diameter 5.5900" overall length the 2 holes in line have double counter bores. first cbore 0.5310 in. dia by 0.2800 in. deep. second cbore 0.6290 in. dia by 0.1500 in. deep anodize surface treated 22c-1 solid, external flange one end, internal flange one end
0.9350" overall length counterbored left end adjacent to the internal groove, 1.2510 in. min, 1.2520 in. max dia by 0.1950 in. deep passivate surface treated 17c solid, plain, no outside flanges
3a thread class right-hand 1.5530" overall length 0.1895" bore diameter 32 thread quantity per inch magnetic inspected chromium inner member surface treated ball type unf thread series