Marine Heavy Hex Nut / Shaft Nut - Used

Application: heavy-duty marine hex nut / shaft or coupling nut, exact application to be confirmed. Condition: used, as-is, with light surface rust from shelf storage; no visible thread or hex damage. Individually wrapped with wire tag. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.