DLMS™ Summary National Stock Number 1020-01-060-3673 National Stock Number (NSN) 1020-01-060-3673, or NIIN 010603673, (tube,cannon) was assigned May 20, 1978 in the Federal Logistics Information System (FLIS). NIIN 010603673 was cancelled on May 2, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 1020014114563. 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. There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2. 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 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 1020010603673 contains an unknown precious metal. This information was last updated on May 01, 2013.