Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A03-0 found under Heater Thermal Release by Westinghouse Electric Corp. The National Stock Number assigned to this part is 5999005934132, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A03-0.