Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FT4001-4-65C found under Bushing Sleeve by Fasteners Inc. The National Stock Number assigned to this part is 3120013388768, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FT4001-4-65C.