Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C03-0912-003 found under Sensorexhaust Gasoxygenemissi by Rae Corp. The National Stock Number assigned to this part is 2990016825172, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C03-0912-003.