Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 018-0052 0053 found under Barrel Ring by Wayne Dalton Corp. The National Stock Number assigned to this part is 5365011817749, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 018-0052 0053.