Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U5LB1158 found under Gasket Set by Perkins France. The National Stock Number assigned to this part is 5330014610671, 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 U5LB1158.