Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number IC MC-94GB21 GVB-1 NGA3-2.937 found under Valve Gate by Mcnab Incorporated. The National Stock Number assigned to this part is 4820013863410, 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 IC MC-94GB21 GVB-1 NGA3-2.937.