Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1 0058 found under Regulator Voltage by Amplifier Acquisition Corp. The National Stock Number assigned to this part is 5963012647615, and the Federal Supply Class is 5963 Electronic Modules. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A1 0058.