2-1/8 External Snap Ring
External
10SCH Spacer Hub 2-1/8 (1/2 Key Way)
2-3/4 Internal Snap Ring
2-1/4 Internal Snap Ring
8S Flange 2-1/8 (1/2X3/16 Key Way)
2-1/2 Internal Snap Ring
9S Flange 2-1/8 (1/2X1/4 Key Way)