DLMS™ Summary National Stock Number 1005-25-150-4629 National Stock Number (NSN) 1005-25-150-4629, or NIIN 251504629, (lever,breechblock,cocking) 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) 60697. [A LEVER THAT ACTIVATES THE FIRING PIN. IT IS ONE OF THE COMPONENT PARTS OF THE BREECHBLOCK OF AN ARTILLERY WEAPON.]. This information was last updated on Jan 16, 2017.