Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS5155 found under Parts Kit Seal Replacement Mecha by Paxton Company. The National Stock Number assigned to this part is 5330014971499, 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 HS5155.