National Stock Number
4240-01-496-1951
National Stock Number (NSN) 4240-01-496-1951, or NIIN 014961951, (respirator,air filtering) was assigned April 5, 2002 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 49 contracts issued for this part number, with 49 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE4AX25F3234, SPE4AX25F2610, SPE4AX25F2610, SPE4AX25F2610, SPE4AX25F2610. The total value of the awarded contracts has been US$ 4,120,150.75.
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 May 01, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
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.]. 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 4240014961951 does not contain precious metals.
This information was last updated on Aug 01, 2025.