Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6 631 376 0 found under Switch Liquid Level by Kaercher Futuretech Gmbh. The National Stock Number assigned to this part is 5930123746647, 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 6 631 376 0.