National Stock Number
4240-01-492-5229
National Stock Number (NSN) 4240-01-492-5229, or NIIN 014925229, (mask,air filtering) was assigned December 3, 2001 in the Federal Logistics Information System (FLIS). NIIN 014925229 was cancelled on October 2, 2006, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4240014528323. 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, there are no suppliers 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) 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.]. 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 4240014925229 does not contain precious metals.
This information was last updated on Jul 01, 2025.