Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A-ULTX-SENS-11-1-0 found under Sensor Exhaust Gas Oxygen Emissi by Mine Safety Appliances Co Ltd. The National Stock Number assigned to this part is 2990016193992, 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 A-ULTX-SENS-11-1-0.