Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K534-1 found under Gasket Assortment by Waterous Company. The National Stock Number assigned to this part is 5330012885143, 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 K534-1.