Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 34900031 found under Parts Kitseal Replacementmecha by Broderson Manufacturing Corp. The National Stock Number assigned to this part is 5330016967960, 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 34900031.