"DISTANCE FROM BORE CENTERLINE TO BODY KEYING FACILITY BOTTOM/TOP:2"" NOM.; BODY KEYING FACILITY DEP/HT:1.250"" NOM.; BODY KEYING FACILITY WD:3.609"" NOM.; HOLE THREAD SIZE DESIGNATOR:1/2 - 13; THREADED HOLE LOCATION:(1) HOLE LOCATED ON TOP OF KEY, (1) HOLE 90 DEG. FROM KEYWAY,BOTH HOLES 1-1/8"" FROM END OF HUB; THREADED HOLE QTY:2; SECURING METHOD:THREADED HOLE; BORE COUNTERBORE FEATURE:NOT INCLUDED; KEYING FACILITY QTY:1; HUB OD:3.250"" NOM.; DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY:0.875"" NOM.; THREAD PROVISION:UNTHREADED; KEYWAY WD:0.313"" NOM.; FLANGE THICKNESSL:2.250"" NOM."
MDCL
MATERIAL DOCUMENT AND CLASSIFICATION
"MIL-S-890, CLASS B-S MIL SPEC SINGLE MATERIAL RESPONSE"