Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8G7-03007 found under Cartridge Check Val by Cunico Corporation. The National Stock Number assigned to this part is 4820016194499, 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 8G7-03007.