Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 809-0018 found under Bushing Sleeve by Wayne Dalton Corp. The National Stock Number assigned to this part is 3120012997041, 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 809-0018.