Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CA5153PC9 found under Spacer Ring by Buffalo Pumps Inc. The National Stock Number assigned to this part is 5365002640779, 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 CA5153PC9.