Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RA2258-6 found under Coupling Wire Rope Quick Disconn by Detroit Diamond Drilling Inc. The National Stock Number assigned to this part is 4030004891855, and the Federal Supply Class is 4030 Fittings For Rope Cable And Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RA2258-6.