Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1159W20112-13 found under Generator Vortex by Gulfstream Aerospace Corp. The National Stock Number assigned to this part is 1650011864248, 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 1159W20112-13.