National Stock Number
4210-01-522-1681
National Stock Number (NSN) 4210-01-522-1681, or NIIN 015221681, (extinguisher subassembly,fire) was assigned July 21, 2004 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 29, 2007, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 50656. [TWO OR MORE DIFFERENT TYPES OF ITEMS HAVING A COMMON MOUNTING OR MOUNTED ON EACH OTHER, WHICH TOGETHER FORM A PORTION OF AN EXTINGUISHER, FIRE BUT WHICH IN ITSELF, IS NOT A COMPLETE FUNCTIONING ITEM. FOR SINGLE ITEMS THAT ARE EMPTY WITH NO ADDITIONAL FIRE EXTINGUISHER COMPONENTS, SEE CYLINDER, FIRE EXTINGUISHER.]. 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 4210015221681 contains an unknown precious metal.
This NSN is associated to Schedule B 8424909500: parts, nesoi, of mechanical appliances for projecting, dispersing or spraying liquids or powders; of fire extinguishers; of spray guns. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on Aug 01, 2025.