2-1/8 External Snap Ring
External
9SCH Spacer Flange 2-1/8 (1/4X1/4 Key Way)
1-1/16 Internal Snap Ring
1-11/16 Internal Snap Ring
11S Flange 2-1/8 (1/2X1/4 Key Way)
1-7/16 Internal Snap Ring
10SCH Spacer Hub 2-1/8 (1/2 Key Way)