National Stock Number (NSN) 2990-01-337-4138, or NIIN 013374138, (sensor,engine coolant temperatur) was assigned April 14, 1991 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 40 contracts issued for this part number, with 44 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 18 different suppliers. The last contract numbers awarded were: SPE7L525V1205, SPE7L125V4187, SPE7L323F8306, SPE7L223V1371, SPE7L223F1611. The total value of the awarded contracts has been US$ 417,459.73.
This NSN is somewhat common among different platforms, belonging to 7 different weapons systems.
This national stock number is in high demand. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 27,217. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 06, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
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 but does have other critical feature(s) 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 2990013374138 does not contain precious metals.
This NSN is associated to Schedule B 8409918000: parts for spark-ignition internal combustion piston engines, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333618: other engine equipment manufacturing.
This information was last updated on Jun 01, 2025.