Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FIG 030-1 2.50IN A6690 PC 10 found under Disk Valve by Fairbanks Inc. The National Stock Number assigned to this part is 4820013285703, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FIG 030-1 2.50IN A6690 PC 10.