National Stock Number
4240-01-342-2856
National Stock Number (NSN) 4240-01-342-2856, or NIIN 013422856, (respirator,air filtering) was assigned July 18, 1991 in the Federal Logistics Information System (FLIS). NIIN 013422856 was cancelled on September 2, 1994, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4240013425239. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for 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) 17294. [AN INDIVIDUAL RESPIRATORY PROTECTIVE DEVICE, DESIGNED TO REMOVE ORGANIC VAPORS, SOLID PARTICLES AND/OR LIGHT CONCENTRATIONS OF POISONOUS GAS IF WITH CHEMICAL CARTRIDGE(S). IT MAY INCLUDE A HOOD DESIGNED TO COVER USER'S HEAD.]. 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 4240013422856 does not contain precious metals.
This information was last updated on Aug 01, 2025.