Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QLA20-12531C1 found under Amplifier Audio Frequency by Cg Automation Solutions Usa Inc. The National Stock Number assigned to this part is 5996002484883, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like QLA20-12531C1.