National Stock Number
6515-01-594-4640
National Stock Number (NSN) 6515-01-594-4640, or NIIN 015944640, (concentrator,oxygen) was assigned April 25, 2011 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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.
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 6515015944640 does not contain precious metals.
This NSN is associated to Schedule B 9018908000: other instruments and appliances used in medical, surgical, dental or veterinary sciences, nesoi. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 339112: surgical and medical instrument manufacturing.
This information was last updated on Aug 01, 2025.