National Stock Number (NSN) 6685-01-179-1826, or NIIN 011791826, (tester,pyrometer and thermocoupl) was assigned May 16, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6685012363496.
There are 3 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 unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2000, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 07344. [AN INSTRUMENT USED FOR CHECKING THERMOCOUPLES AND PYROMETERS. IT IS DESIGNED WITH A COMPENSATOR WHICH CAN BE ADJUSTED SO THAT THE MEASURED ELECTROMOTIVE FORCE, CORRECTED TO A STANDARD REFERENCE TEMPERATURE, CAN BE READ DIRECTLY FROM A SCALE. IT CAN BE USED AS A PH METER. EXCLUDES:RESISTOR, VARIABLE, WIRE WOUND; RESISTOR, VARIABLE, NONWIRE WOUND; METER, HYDROGEN ION TEST; AND PYROMETER (AS MODIFIED).]. 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 6685011791826 does not contain precious metals.
This NSN is associated to Schedule B 9033000000: parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of chapter 90. 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 Aug 01, 2025.