Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 64032-220-1 found under Airspeed Indicator by Gulfstream Aerospace Corp. The National Stock Number assigned to this part is 6610011254821, and the Federal Supply Class is 6610 Flight Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 64032-220-1.