National Stock Number
6685-00-392-4577
National Stock Number (NSN) 6685-00-392-4577, or NIIN 003924577, (thermocouple,heating element) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6685006041528.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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) 00365. [A THERMOCOUPLE WHICH INCLUDES A RESISTANCE ELEMENT DESIGNED TO TRANSFER HEAT OF THE ELEMENT TO ITS THERMOJUNCTION.]. 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 6685003924577 contains an unknown precious metal.
This NSN is associated to Schedule B 9027502000: thermal analysis instruments and apparatus. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 334516: analytical laboratory instrument manufacturing.
This information was last updated on Jul 01, 2025.