Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV50-621PC65 found under Shim by Automatic Switch Company. The National Stock Number assigned to this part is 5365006559298, 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 AV50-621PC65.