National Stock Number
8120-00-685-5521
National Stock Number (NSN) 8120-00-685-5521, or NIIN 006855521, (cylinder,compressed gas) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006855521 was cancelled on November 24, 2004, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 1660007249008, 1660008852115.
There are 7 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 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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 unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 03396. [EMPTY CYLINDER ONLY.]. 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 8120006855521 does not contain precious metals.
This information was last updated on Jul 01, 2025.