Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 302889-01 found under Switch Pressure by Therm Air Mfg Co Inc. The National Stock Number assigned to this part is 5930000647224, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 302889-01.