Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SKI990-90003456 found under Packing Preformed by Crane Company. The National Stock Number assigned to this part is 5330001197913, 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 SKI990-90003456.