National Stock Number
6685-00-057-2777
National Stock Number (NSN) 6685-00-057-2777, or NIIN 000572777, (pyrometer,indicating) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, there are no suppliers 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) 07343. [A PYROMETER WHICH UTILIZES THE EFFECT OF TEMPERATURE VARIATION TO CHANGE THE CHARACTERISTICS OF AN ELECTRICAL CONSTANT AND THIS DIFFERENCE OF ELECTRICAL POTENTIAL IS SHOWN BY THE POSITION OF A POINTER RELATIVE TO A GRADUATED SCALE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 6685000572777 contains an unknown precious metal.
This NSN is associated to Schedule B 9025194000: pyrometers not combined with other instruments. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334513: instruments and related products manufacturing for measuring, displaying, and controlling industrial process variables.
This information was last updated on Jul 01, 2025.