Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4F31189-167A found under Sealnonmetallic Special Shaped by Eaton Aerospace Ltd. The National Stock Number assigned to this part is 5330016951317, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4F31189-167A.