National Stock Number
6665-01-649-5952
National Stock Number (NSN) 6665-01-649-5952, or NIIN 016495952, (calibration kit,gas indicators a) was assigned November 4, 2015 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. ISO Group has several sources of supply for 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) 53185. [A COLLECTION OF ITEMS USED AS A METHOD OF VERIFYING THE ACCURACY OF COMBUSTIBLE GAS INDICATORS, NON-COMBUSTIBLE GAS INDICATORS, AND AUTOMATIC GAS ALARMS. THE DIFFERENCE BETWEEN THE OBSERVED READING AND THE KNOWN VALUE IS THE ERROR OF THE INSTRIMENT BEING CALIBRATED. IT MAY INCLUDE GAS CARTRIDGES OR CYLINDERS.]. 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 6665016495952 does not contain precious metals.
This NSN is associated to Schedule B 8531900002: parts of electric sound or visual signaling apparatus other than printed circuit assemblies, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.
This information was last updated on Jul 01, 2025.