Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H7801 found under Spacer Ring by Richards Industries Valve Group. The National Stock Number assigned to this part is 5365011419493, 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 H7801.