Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 105421 001 found under Absorber Overvoltage by Aero Systems Engineering Inc. The National Stock Number assigned to this part is 5920013322305, 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 105421 001.