Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S19 9ZY found under Clamp Hose by Norma Germany Gmbh. The National Stock Number assigned to this part is 4730121413315, 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 S19 9ZY.