National Stock Number
1660-00-646-6550
National Stock Number (NSN) 1660-00-646-6550, or NIIN 006466550, (converter,liquid oxygen) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006466550 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 12942. [A UNIT CONSISTING OF A JACKETED CONTAINER, WITH OR WITHOUT A HEAT SOURCE, USED TO CONVERT LIQUID OXYGEN INTO GASOUS BREATHING OXYGEN. SEE ALSO CONVERTER, LIQUID OXYGEN PUMPING METHOD.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660006466550 contains platinum family metals.
This information was last updated on Aug 01, 2025.