DLMS™ Summary National Stock Number 1005-01-254-8531 National Stock Number (NSN) 1005-01-254-8531, or NIIN 012548531, (barrel and gas cyli) was assigned May 12, 1987 in the Federal Logistics Information System (FLIS). NIIN 012548531 was cancelled on May 1, 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 no manufacturer part numbers associated to 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) 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 1005012548531 does not contain precious metals. This information was last updated on Jan 20, 2017.