Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E166PC12 found under Shim Set by Warren Pumps Llc. The National Stock Number assigned to this part is 5365008544566, 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 E166PC12.