National Stock Number
4240-01-496-4143
National Stock Number (NSN) 4240-01-496-4143, or NIIN 014964143, (harness assembly,mask,oxygen) was assigned April 15, 2002 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4240012488121.
There are 2 manufacturer part numbers associated with this NSN. One 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 not been procured by the US Government in over a year. There have been 13 contracts issued for this part number, with 12 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE8E621V0244, SPE8E621V0244, SPE8E621P0120, SPE8E520V2758, SPE8E620V1055. The total value of the awarded contracts has been US$ 10,619.46.
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 Dec 10, 2013, 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) 45120. [A RETAINER TO SECURE A MASK, OXYGEN TO A PERSONS FACE AND HELMET. IT MAY CONSIST OF WEBBING, BUCKLES, ADAPTER AND BAYONET FITTINGS.]. 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 4240014964143 does not contain precious metals.
This information was last updated on Jul 01, 2025.