Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 837 A4JW 837 N6WELL found under Switch Thermostatic by Rockwell Automation Inc. The National Stock Number assigned to this part is 5930011149857, 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 837 A4JW 837 N6WELL.