National Stock Number
6685-00-244-0644
National Stock Number (NSN) 6685-00-244-0644, or NIIN 002440644, (thermowell) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002440644 was cancelled on May 1, 2004, 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 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) 40096. [A PRESSURE-TIGHT RECEPTACLE MOUNTED TO AN ITEM BY EXTERNAL THREADS, FLANGE AND/OR WELDING. IT IS DESIGNED TO HOLD TEMPERATURE SENSING DEVICES, SUCH AS, TERMOCOUPLES, RESISTANCE TEMPERATURE DETECTORS, AND THERMOMETERS.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). 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 6685002440644 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.