Includes
Impulse Cartridges; Delay Cartridges; Engine Starter Cartridges (explosive filled); Fire Extinguisher Cartridges (used to activate by remote control); Aircraft Ejection Seat Catapults; Rocket Motors (Solid Propellant Units) for Aircraft Ejection Seats; Aircraft Canopy Removers; Thrusters, propellant and cartridge actuated; Initiators; Explosive Bolts and Explosive Bolt Cartridges; Cutters, cartridge or propellant actuated, Reefing Line; Powder actuated Tool Cartridges; Explosive Loaded Devices and Components which are not specifically classified elsewhere.

Excludes
Liquid Propellant Fuels and Oxidizers; Solid Propellants, encased in consumable containers for insertion into missile propulsion systems as an integral part; Guided Missile Explosive Devices; Bulk and Solid Propellants, predetermined to specific quantity and quality, packaged in reusable containers; Blasting and Demolition Materials; Rocket Motors, Warheads and Propulsion Sections for Rockets and Guided Missiles.

Notes
This class includes safety-in-flight explosive items, consisting of a quantity of propellant (either encased in a cartridge or in molded form) and a means of activation, designed to be inserted into or attached to one or more devices to provide the energy required to operate devices requiring a time delay, or not requiring a time delay, in their operating sequence. Also included are devices designed to utilize energy generated by the items described above.

Possible NAICS Codes
325920 – Explosives Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332710 – Machine Shops
315990 – Apparel Accessories and Other Apparel Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332993 – Ammunition (except Small Arms) Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332992 – Small Arms Ammunition Manufacturing
332510 – Hardware Manufacturing