Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NB1-CPSS-116U-12 found under Thermocouple Immersion by Omega Engineering Inc. The National Stock Number assigned to this part is 6685013619253, 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 NB1-CPSS-116U-12.