Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 036 0810 50 found under Spacer Sleeve by Portland Valve Llc. The National Stock Number assigned to this part is 5365016321202, 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 036 0810 50.