DLMS™ Summary National Stock Number 1015-01-343-7579 National Stock Number (NSN) 1015-01-343-7579, or NIIN 013437579, (tube,cannon) was assigned August 16, 1991 in the Federal Logistics Information System (FLIS). NIIN 013437579 was cancelled on November 21, 2002, 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) 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 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 1015013437579 does not contain precious metals. This information was last updated on Mar 27, 2017.