Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KYX00-4478 found under Clamp Repair Pipe by Donaldson Co Inc. The National Stock Number assigned to this part is 4730011235019, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KYX00-4478.