Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2GFV00505-0003 found under Valve Vent by Bae Systems. The National Stock Number assigned to this part is 4820016547503, 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 2GFV00505-0003.