Special Notice: DEPT OF DEFENSE, DEPT OF THE AIR FORCE is procuring initiators and propellant for cartridge and propellant actuated devices and components. The items being procured are NSN:1377-01-645-7393ES and 1377-01-203-1959ES, with part number PS68-710063-103. Initiators and propellant are typically used to initiate the propellant charge in various devices and components.