National Stock Number
2990-01-520-5789
National Stock Number (NSN) 2990-01-520-5789, or NIIN 015205789, (sensor,engine coolant temperature,emission control) was assigned May 18, 2004 in the Federal Logistics Information System (FLIS). NIIN 015205789 was cancelled on January 2, 2012, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 05, 2010. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPM7L411M0042, SPM7L411M0042, SPM7L411M0042, SPM7L411M0042, SPM7L410V0822. The total value of the awarded contracts has been US$ 6,375.90.
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) 39921. [A METALLIC AND/OR NON-METALLIC DEVICE WITH VARIOUS PORTS ON ONE END AND A WRENCHING FACILITY BETWEEN ENDS. THE OPPOSITE END MAY BE THREADED AND CONTAIN A TEMPERATURE PROBE. IT IS NORMALLY LOCATED ON THE UPPER ENGINE BLOCK, ON THE WATER JACKET OR SCREWED INTO THE UPPER RADIATOR TANK. DEPENDING ON INDIVIDUAL TEMPERATURE CALIBRATION IT OPENS OR CLOSES VARIOUS PORTS IN ORDER TO CHANNEL MANIFOLD VACUUM TO DEVICES WHICH ACTIVATE, DE-ACTIVATE OR MODIFY FUNCTIONS IN FUEL ECONOMY, COLD TEMPERATURE OVERRIDE, THERMAL IGNITION CONTROL, EXHAUST GAS RECIRCULATION AND OTHER SYSTEMS BY SENSING ENGINE WATER TEMPERATURE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990015205789 does not contain precious metals.
This information was last updated on Jul 01, 2025.