Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HP1128109 found under Disk Orifice by Teledyne Hydra Power. The National Stock Number assigned to this part is 1650004919612, and the Federal Supply Class is 1650 Aircraft Hydraulic Vacuum And De-Icing System Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HP1128109.