Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4950-30603 found under Regulator Voltage by Dsk Engineering And Technology Inc. The National Stock Number assigned to this part is 5963011599134, 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 4950-30603.