National Stock Number
6685-25-150-0446
National Stock Number (NSN) 6685-25-150-0446, or NIIN 251500446, (thermocouple,immersion) has an unknown assigned date. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Feb 10, 2020. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE4A620V6315, SPE4A620V5638, SPE4A620V3009, SPE4A614MC753, SPE4A614V4167. The total value of the awarded contracts has been US$ 29,168.65.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 07117. [A THERMOCOUPLE WHOSE THERMOJUNCTION IS SPECIFICALLY DESIGNED TO BE PLACED OR DIPPED WITHIN A FLUID.].
This information was last updated on Jan 19, 2026.