National Stock Number
6515-01-521-8234
National Stock Number (NSN) 6515-01-521-8234, or NIIN 015218234, (concentrator,oxygen) was assigned July 7, 2004 in the Federal Logistics Information System (FLIS). NIIN 015218234 was cancelled on April 2, 2020, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been very little 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) 46708. [A PORTABLE INSTRUMENT CONSISTING OF A CALIBRATED ILLUMINATED FLOWMETER, BUILT-IN ALARMS FOR POWER FAILURE AND HIGH/LOW PRESSURE, FILTERS TO REMOVE DUST, BACTERIA, AND OTHER PARTICULATES, AND ALSO PROVIDES FOR THE ATTACHMENT OF AN IN-LINE HUMIDIFIER TO HUMIDIFY GAS MIXTURE DELIVERED TO THE PATIENT. IT IS DESIGNED FOR USE IN PRODUCING OXYGEN-RICH GAS MIXTURE BY DRAWING IN ROOM AIR AND EXTRACTING OXYGEN.]. 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 6515015218234 does not contain precious metals.
This information was last updated on Aug 01, 2025.