National Stock Number
4240-01-250-2287
National Stock Number (NSN) 4240-01-250-2287, or NIIN 012502287, (cartridge,respirator,air filtering) was assigned February 26, 1987 in the Federal Logistics Information System (FLIS). NIIN 012502287 was cancelled on October 2, 2015, 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. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 01, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 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 does not have a nuclear hardened feature but does have other critical feature(s) 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 4240012502287 does not contain precious metals.
This information was last updated on Jul 01, 2025.