National Stock Number
4240-01-389-9476
National Stock Number (NSN) 4240-01-389-9476, or NIIN 013899476, (mask,air filtering) was assigned May 7, 1994 in the Federal Logistics Information System (FLIS). NIIN 013899476 was cancelled on November 21, 2002, 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 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.
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 4240013899476 does not contain precious metals.
This information was last updated on Aug 01, 2025.