"BRONZE ALUMINUM QQ-B-666,4.988 IN. O/A LG,3.893 IN. MIN TO 3.895 IN. MAX OD,3.377 IN. MIN TO 3.379 IN. MAX DIA BORE THRU,CAM TIP TO CAM BASE 2.576 IN. O/A,MACHINED SURFACES 20.0 40.0 AND 100.0 MICROINCH FINISH,4 KEYWAYS 0.250 IN. W 0.093 IN. MIN TO 0.098 IN. MAX DP"