Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LGM20AM-F found under Valve Pressure Equalizing Gaseou by Control Devices Incorporated. The National Stock Number assigned to this part is 4820014317399, 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 LGM20AM-F.