National Stock Number
4240-01-209-1043
National Stock Number (NSN) 4240-01-209-1043, or NIIN 012091043, (mask,air filtering) has an unknown assigned date. NIIN 012091043 was cancelled on September 24, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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) 29347. [AN ITEM, THAT MAY OR MAY NOT BE DISPOSABLE WITH A PREFORMED SHAPE OF A FILTERING MATERIAL FOR COVERING THE NOSE AND MOUTH TO PREVENT THE INHALATION OF NON-VOLATILE AEROSOLS. A NONREPLACEABLE HEADBAND IS ATTACHED DIRECTLY TO THE PREFORMED SHAPE TO RETAIN IT FIRMLY AGAINST THE FACE. EXCLUDES: RESPIRATOR,AIR FILTERING.]. 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 4240012091043 does not contain precious metals.
This information was last updated on Aug 01, 2025.