Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 003-596 found under Parts Kitseal Replacementmecha by South Tek Systems Llc. The National Stock Number assigned to this part is 5330016900711, 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 003-596.