0.0700" first hole diameter 0.6850" overall length flange end machined to id of 0.375 in. min 0.385 in. max by 0.045 in. min 0.055 in. max deep 22c solid, external flange one end
0.1870" overall length countersink id both ends 0.175 in. dia by 82.0 deg; dimensions met prior to phosphating phosphate surface treated 17c solid, plain, no outside flanges