Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FHS1883-4 found under Seal Special by Claverham Ltd. The National Stock Number assigned to this part is 5330004525830, 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 FHS1883-4.