Zsteel, 17-4ph cres, fscm 98897; 0/a dim 3.670 in. Lg; 3.385 in. W; 1.140 in. Thk; w/0.625-18 unf-3a thd; five 0.196 in. Diameter holes; two 0.254 in. Diameter holes; two 0.138 in. Diameter holes; two 0.100 in. Diameter holes countersunk 100.0 degrees by 0.200 in. Dia