Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ENB13APC18 found under Spacer Sleeve by Cooper Cameron Corp. The National Stock Number assigned to this part is 5365003634091, 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 ENB13APC18.