DLMS™ Summary National Stock Number 1005-66-155-6173 National Stock Number (NSN) 1005-66-155-6173, or NIIN 661556173, (support,elevating and firing cradle) 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 unique to one weapons system. This NSN is assigned to Item Name Code (INC) 31443. [A METALLIC ITEM, DESIGNED AS A FRAMEWORK TO SUPPORT THE ELEVATING MECHANISM AND THE FIRING TRANSFER HOUSING OF A WEAPON. IT HAS FACILITIES FOR THE MOUNTING OF OTHER COMPONENTS TO IT.]. This information was last updated on Oct 19, 2016.