Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y669808 PC27 found under Ring by Alfred Conhagen Inc. The National Stock Number assigned to this part is 5365011353955, 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 Y669808 PC27.