National Stock Number
4240-01-340-6314
National Stock Number (NSN) 4240-01-340-6314, or NIIN 013406314, (filter element set,chemical-biol) was assigned June 17, 1991 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 a year. There have been 5 contracts issued for this part number, with 7 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8E521CF013, SPE8E521CF013, SPM8EJ12D0501, SPM8EJ12D0501, SPM8EJ12D0501. The total value of the awarded contracts has been US$ 627,986.24.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 07, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 31523. [AIR FILTERING DEVICES, ESPECIALLY DESIGNED TO BE INSERTED IN THE FACEPIECE OF THE MASK. THE FILTERS REMOVE FROM THE AIR PASSING THROUGH THEM TOXIC AND/OR IRRITATING CHEMICAL VAPORS, GASES, AND PARTICULATE CONTAMINANTS (DUSTS, FUMES, MISTS, FOGS, AND SMOKE), INCLUDING BIOLOGICAL ORGANISMS LIKELY TO BE USED IN WARFARE. THEY MAY FILTER INDUSTRIAL DUSTS, FUMES, MISTS, FOGS, AND SMOKE, BUT ARE NOT DESIGNED TO REMOVE INDUSTRIAL TYPE GASES OR VAPORS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 4240013406314 does not contain precious metals.
This information was last updated on Jul 01, 2025.