National Stock Number
4240-01-164-0509
National Stock Number (NSN) 4240-01-164-0509, or NIIN 011640509, (mask,air filtering) was assigned October 12, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, only one supplier is deemed design controlled or valid supply parts.
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 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
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 4240011640509 does not contain precious metals.
This information was last updated on Jul 01, 2025.