National Stock Number
6665-01-157-4921
National Stock Number (NSN) 6665-01-157-4921, or NIIN 011574921, (probe,sampling,gas indicator) was assigned July 6, 1983 in the Federal Logistics Information System (FLIS). NIIN 011574921 was cancelled on January 22, 2003, 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 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, 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) 17008. [A SPARKPROOF METAL OR PLASTIC TUBE USED WITH A CARBON MONOXIDE, OXYGEN, OR COMBUSTIBLE GAS INDICATOR TO OBTAIN GAS SAMPLES FROM OTHERWISE INACCESSIBLE OR DANGEROUS LOCATIONS.]. 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 6665011574921 does not contain precious metals.
This information was last updated on Aug 01, 2025.