National Stock Number
4240-01-272-1877
National Stock Number (NSN) 4240-01-272-1877, or NIIN 012721877, (mask,air filtering) was assigned February 4, 1988 in the Federal Logistics Information System (FLIS). NIIN 012721877 was cancelled on July 2, 1999, 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 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.]. This item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). 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 4240012721877 does not contain precious metals.
This information was last updated on Jul 01, 2025.