National Stock Number (NSN) 4820-00-187-7860, or NIIN 001877860, (valve,regulating,temperature) was assigned March 16, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5841007979748.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers 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, with the most recent procurement date of May 12, 2015. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC15M5806, SPE7MC15M5806, SPE7MC14M6229, SPE7MC14M4963. The total value of the awarded contracts has been US$ 374,739.80.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 04, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 05492. [A SELF-ACTING VALVE DESIGNED FOR CONTROLLING, BY MEANS OF A THERMOSTATIC ELEMENT, THE FLOW OF LIQUIDS OR GASES THERETHROUGH. THE THERMOSTATIC ELEMENT IS LOCATED IN LIQUID OR GAS WHOSE TEMPERATURE IS CONTROLLED BY THE HEAT OF THE LIQUID OR GAS FLOWING THROUGH THE VALVE. SEE ALSO VALVE, RELIEF, PRESSURE AND 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 4820001877860 does not contain precious metals.
This NSN is associated to Schedule B 8481809015: regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Jul 01, 2025.