National Stock Number
4240-01-250-2279
National Stock Number (NSN) 4240-01-250-2279, or NIIN 012502279, (cartridge,respirator,air filtering) was assigned February 26, 1987 in the Federal Logistics Information System (FLIS). NIIN 012502279 was cancelled on August 2, 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 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 2 suppliers. 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) 10101. [A SELF-CONTAINED UNIT DESIGNED FOR PLACEMENT IN THE HOLDER OF A RESPIRATOR OR AIR LINE MASK. IT MAY CONSIST OF A FILTERING ELEMENT OF FIBROUS MATERIAL SUCH AS FELT, PAPER, OR THE LIKE SECURED BETWEEN TWO END PLATES; OR IT MAY BE A CYLINDRICAL CONTAINER OF LIGHT WEIGHT CONSTRUCTION HAVING FLAT OR SLIGHTLY ROUNDED ENDS WHICH MAY BE EITHER PERFORATED OR OF WIRE MESH, FILLED WITH CHARCOAL OR CHEMICALS WHICH ABSORB CONTAMINANTS FROM THE AIR PASSING THROUGH IT. SEE ALSO FILTER, RESPIRATOR, AIR FILTERING.]. This item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). 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 4240012502279 does not contain precious metals.
This information was last updated on Apr 01, 2025.