National Stock Number
6685-00-592-6539
National Stock Number (NSN) 6685-00-592-6539, or NIIN 005926539, (thermostat,flow control) was assigned August 6, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 6620007756127, 6680000765201.
There are 2 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 3 suppliers. Today, 3 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 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 information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6685005926539 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.