Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XT20-1H3A-BKP found under Switch Liquid Level by Magnetrol International. The National Stock Number assigned to this part is 5930016249845, 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 XT20-1H3A-BKP.