Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AWA1057 found under Absorber Overvoltage by Alpha Technologies Inc. The National Stock Number assigned to this part is 5920013544137, and the Federal Supply Class is 5920 Fuses Arresters Absorbers And Protector. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AWA1057.