Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9A022-16 found under Disk Valve by Arkwin Industries Inc. The National Stock Number assigned to this part is 1650008679840, 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 9A022-16.