DLMS™ Summary National Stock Number 1005-12-339-6849 National Stock Number (NSN) 1005-12-339-6849, or NIIN 123396849, (guide,recoil spring) has an unknown assigned date. This NSN does not replace any other NSNs. There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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 unique to one weapons system. This NSN is assigned to Item Name Code (INC) 48626. [A COMPONENT OR ASSEMBLY USED AS A MEANS OF LIMITING/ELIMINATING BUCKLING OF A PISTOL/GUN RECOIL SPRING DURING THE FIRING CYCLE. IT IS USUALLY A PIN OR TUBE OF UNIFORM DIAMETER OVER MOST OF ITS LENGTH WITH PROVISION AT ONE END TO RETAIN OR CAPTURE ONE END OF THE RECOIL SPRING.]. This information was last updated on Jan 23, 2017.