Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HP1128111-1 found under Slide Directional C by Tactair Fluid Controls Inc. The National Stock Number assigned to this part is 1650004856737, 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 HP1128111-1.