Spool Nut (2 Bronze Half-Nuts) (06117) Driven Friction Disks (External) With 6 Splines (02365) Driver Friction Disks (Internal) With 6 Splines (02364A) Spool Nut (2 Bronze Half-Nuts) (06117) Driven (External) Friction Disks With 6 Splines ( 02365) Friction Drive Discs (Internal) With 6 Splines (02364A)