National Stock Number
6515-01-599-1970
National Stock Number (NSN) 6515-01-599-1970, or NIIN 015991970, (filter,oxygen delivery system) was assigned September 15, 2011 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE2DS24V0320, SPE2DS21V1337, SPE2DS20V6665, SPE2DS20V3220, SPE2DS15MD553. The total value of the awarded contracts has been US$ 4,277.82.
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 03, 2011, 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) 77777. 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 6515015991970 does not contain precious metals.
This information was last updated on Aug 01, 2025.