1-3/8 External Snap Ring
External
SH1-3/8 QD HUB
8S Flange 1-3/8 (5/16X5/32 Key Way)
3/4 Internal Snap Ring
E1-3/8 QD HUB
9S Flange 1-3/8 (5/16X5/32 Key Way)
6SCH Spacer Hub 1-3/8 (5/16 Key Way)