Special Notice: DEPT OF DEFENSE, DEPT OF THE AIR FORCE is procuring CARTRIDGE AND PROPELLANT ACTUATED DEVICES AND COMPONENTS. The service/item being procured is a charge shaped device with the National Stock Number (NSN) 1377-013185643ES, 1377-013185644ES, 1377-013185645ES, and 1377-013185646ES. This device is typically used for military applications and is an essential component for propellant actuated devices.