National Stock Number
6620-00-123-1602
National Stock Number (NSN) 6620-00-123-1602, or NIIN 001231602, (thermostat,flow control) was assigned November 1, 1968 in the Federal Logistics Information System (FLIS). NIIN 001231602 was cancelled on February 2, 2003, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. 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) 16516. [AN AUTOMATIC REGULATING DEVICE WHICH CONTROLS THE FLOW OF FLUIDS OR GASES BY ACTUATING A VALVE OR SHUTTER FOR HEATING OR COOLING PURPOSES. MAY BE ADJUSTABLE, OR SET TO OPERATE AT A DEFINITE PRESSURE. EXCLUDES:CONTROL, HUMIDITY; CONTROL, TEMPERATURE INDICATING; AND SWITCH, THERMOSTATIC.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6620001231602 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.