National Stock Number
4820-01-198-5849
National Stock Number (NSN) 4820-01-198-5849, or NIIN 011985849, (valve,regulating,temperature) was assigned January 10, 1985 in the Federal Logistics Information System (FLIS). NIIN 011985849 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 replaces 2 stock numbers: 4820011639664, 1420011334360.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
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 4820011985849 does not contain precious metals.
This information was last updated on Jul 01, 2025.