Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4B1199C1043 found under Gasket by U S Industries Inc. The National Stock Number assigned to this part is 5330002482082, 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 4B1199C1043.