Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E23004212 found under Shim by Extex Ltd. The National Stock Number assigned to this part is 5365011544217, 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 E23004212.