Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13211E9548 found under Switch Thermostatic by Cecom Lr Center. The National Stock Number assigned to this part is 5930011557762, 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 13211E9548.