Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KHB-25 SAE ITEM 15 found under Retainer Packing by Hydac Corp. The National Stock Number assigned to this part is 5330014224338, 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 KHB-25 SAE ITEM 15.