Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5150-801 found under Ring Disposal by Sears Roebuck And Co. The National Stock Number assigned to this part is 5365004673295, 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 5150-801.