National Stock Number
2990-01-579-3260
National Stock Number (NSN) 2990-01-579-3260, or NIIN 015793260, (sensor,engine coolant temperatur) was assigned November 6, 2009 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 07, 2016, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 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 2990015793260 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 Aug 01, 2025.