National Stock Number
4820-99-701-9424
National Stock Number (NSN) 4820-99-701-9424, or NIIN 997019424, (valve,automatic tempering) has an unknown assigned date. 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, there are no suppliers that 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 assigned to Item Name Code (INC) 08240. [A SELF-ACTING VALVE WITH A THERMOSTATIC ELEMENT INSIDE THE BODY. IT IS SPECIFICALLY DESIGNED TO MIX FLUIDS OF DIFFERENT TEMPERATURES, SUCH AS HOT AND COLD WATER OR STEAM AND WATER, AND TO DISCHARGE AT A PREDETERMINED TEMPERATURE. SEE ALSO VALVE, REGULATING, TEMPERATURE.].
This information was last updated on Feb 06, 2026.