North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 431 - Aircraft engines, aircraft parts and other aerospace equipment
- 43111 - Aircraft engines
- 431111 - Aircraft engines
- 4311111 - Military aircraft engines
- 4311112 - Civilian aircraft engines
- 43112 - Aircraft parts and other aerospace equipment
- 431121 - Aircraft engine parts and accessories (including propellers and rotors)
- 4311211 - Aircraft propellers and helicopter rotors
- 4311212 - Aircraft engine parts and accessories (except propellers and rotors)
- 431122 - Other aerospace parts, guided missiles and space vehicles
- 4311221 - Seats for aircraft
- 4311222 - Aircraft parts, n.e.c.
- 4311223 - Guided missiles and rockets (including space vehicles)
- 4311224 - Parts and components of guided missiles and space vehicles
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