DLMS™ Summary National Stock Number 1005-13-116-6321 National Stock Number (NSN) 1005-13-116-6321, or NIIN 131166321, (receiver,automatic gun) has an unknown assigned date. 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) 53074. [THE AUTOMATIC GUN RECEIVER IS AN ITEM THAT CONTAINS OR PROVIDES ATTACHMENT FOR ALL AUTOMATIC GUN COMPONENTS. THE RECEIVER ASSEMBLY RAMS AND FIRES ROUNDS. THE RECEIVER COMPLETES ALL BASIC FIRING FUNCTION: EXTRACT, COCK, CHAMBER, LOCK, FIRE,UNLOCK AND EJECT. IT ALSO SUPPRESSES THE RECOIL FORCE FROM BARREL AND BREECH ASSEMBLY.]. This information was last updated on Oct 21, 2016.