Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11EJ21070107 found under Thermometer Self Indicating Bime by Thos Somerville Co. The National Stock Number assigned to this part is 6685003074546, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 11EJ21070107.