Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2J0131L2-751M found under Thermocouple Contact by Thermo Electric Company Inc. The National Stock Number assigned to this part is 6685004584738, 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 2J0131L2-751M.