Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KZ310PC19 found under Ring Wiper by Hydro Line Mfg Co. The National Stock Number assigned to this part is 5330008302684, 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 KZ310PC19.