DLMS™ Summary National Stock Number 1015-12-178-9535 National Stock Number (NSN) 1015-12-178-9535, or NIIN 121789535, (tube,cannon) has an unknown assigned date. NIIN 121789535 was cancelled on January 2, 2013, 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 4 suppliers. Today, 4 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. This part number has not been procured by the US Government in over 5 years. This NSN is assigned to Item Name Code (INC) 21725. [A CYLINDRICAL METALLIC ITEM WHICH IS THAT PART OF A CANNON WHICH CONTROLS THE INITIAL DIRECTION OF A PROJECTILE. THE BORE MAY BE RIFLED AND MUST HAVE A DIAMETER OF MORE THAN 40 MILLIMETERS. SEE ALSO BARREL (AS MODIFIED), AND TUBE, SUBCALIBER, CANNON.]. This information was last updated on Jan 23, 2017.