National Stock Number
6515-01-509-3931
National Stock Number (NSN) 6515-01-509-3931, or NIIN 015093931, (mask,oxygen) was assigned June 20, 2003 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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 5 years, with the most recent procurement date of Feb 08, 2018. There have been 9 contracts issued for this part number, with 9 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE2DS18P1111, SPE2DS18V2355, SPE2DS17V5206, SPE2DS16V1589, SPE2DS15V0303. The total value of the awarded contracts has been US$ 905.12.
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 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) 15751. [A DEVICE CONSISTING OF A FACEPIECE WHICH PARTIALLY COVERS THE FACE, HAVING A BREATHING TUBE AND A COUPLING FOR CONNECTING TO A REGULATED SUPPLY OF OXYGEN. THE DEVICE MAY BE OF THE REBREATHING TYPE OR OF THE DEMAND TYPE AND MAY BE USED FOR RESCUE OPERATION OR TO SUPPLY THE WEARER WITH OXYGEN WHEN FLYING AT HIGH ALTITUDES. IT MAY INCLUDE REGULATING DEVICE(S) BUT DOES NOT INCLUDE OXYGEN CYLINDER(S). EXCLUDES:MASK, ORONASAL.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6515015093931 does not contain precious metals.
This information was last updated on Aug 01, 2025.