Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1474C53 PC 3 5 found under Spacer Special by Pavan And Kievit Enterprises Inc. The National Stock Number assigned to this part is 4470010166404, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1474C53 PC 3 5.