"STEEL 4340 PER MIL-S-5000 CAD PLATE FINISH PER QQ-P-416 CLASS 2 TYPE 2; 5.550 IN. OVERALL O.D 3.338 IN. THK,1ST END 3.500 IN. O.D 3.127 IN. MAX I.D. THRU; 2ND END CHAMFER 30 DEG 2.550 IN FROM CENTER,CHAMFER I.D 0.070 IN. MAX BY 45 DEG; PART OF SHIFT CLUTCH ASSEMBLY"