"AL ALLOY 6061-T651 PER QQ-A-225/8; 2.860 IN. O/A LG,2.620 IN. BODY DIA,2 RINGS AT END 2.872 IN. DIA,GROOVE BETWEEN 2.673 IN. DIA; OUTER EDGE OUTER RING CHAMFERED .12 X 45 DEG; 2.370 IN. ID BY 1.855 IN. DEEP; 2 POSTS OPPOSITE END DRILLED FOR MS51830-210L INSERTS; NHA L4850130"