DLMS™ Summary National Stock Number 1010-12-353-8667 National Stock Number (NSN) 1010-12-353-8667, or NIIN 123538667, (mounting kit,weapon) 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) 51467. [A COLLECTION OF ITEMS SPECIFICALLY DESIGNED FOR MOUNTING ONE WEAPON ONTO ANOTHER WHICH ALLOWS THE USE OF BOTH WEAPONS.]. This information was last updated on Jan 20, 2017.