quick view View Details Nut Thd Insert 1/4-20 X 11/16, Nautilus Item # 144502 OEM # N03-4035 MSRP: $5.43
quick view View Details Nut Lock 1/4-20 Wiz Flange, Nautilus Item # 144514 OEM # N03-4290 MSRP: $0.10