DLMS™ Summary National Stock Number 1015-12-178-9542 National Stock Number (NSN) 1015-12-178-9542, or NIIN 121789542, (evacuator,bore) has an unknown assigned date. NIIN 121789542 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 2 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 6 suppliers. Today, 6 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) 22078. [A DEVICE PLACED ON THE TUBE OF ARTILLERY WEAPONS TO FORCE PROPELLANT GASES TO FLOW OUTWARD THROUGH THE MUZZLE END OF THE BORE FROM A CYLINDRICAL CHAMBER AROUND THE GUN TUBE. THE CHAMBER INCLOSES A SERIES OF JETS AROUND THE CANNON TUBE THROUGH WHICH THE GASES FLOW.]. This information was last updated on Oct 24, 2016.