National Stock Number
2990-01-357-5424
National Stock Number (NSN) 2990-01-357-5424, or NIIN 013575424, (sensor,engine coolant temperature,emission control) was assigned April 25, 1992 in the Federal Logistics Information System (FLIS). NIIN 013575424 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 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, 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.
This part number has not been procured by the US Government in over 5 years.
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 2990013575424 does not contain precious metals.
This information was last updated on Aug 01, 2025.