(1) Rockets, SLVs, and missiles capable of delivering at least a 500-kg payload to a range of at least 300 km (MT);
(2) Rockets, SLVs, and missiles capable of delivering less than a 500-kg payload to a range of at least 300 km (MT);
[...]
(12) Thrusters (e.g., spacecraft or rocket engines) using bi-propellants or mono-propellant that provide greater than 150 lbf (i.e., 667.23 N) vacuum thrust (MT for rocket motors or engines having a total impulse capacity equal to or greater than 8.41 × 10^5 newton seconds);
(13) Control moment gyroscope (CMG) specially designed for spacecraft;
https://en.wikipedia.org/wiki/International_Traffic_in_Arms_...
IV: Launch Vehicles, Guided Missiles, Ballistic Missiles, Rockets, Torpedoes, Bombs and Mines
V: Explosives and Energetic Materials, Propellants, Incendiary Agents and Their Constituents
XII: Fire Control, Range Finder, Optical and Guidance and Control Equipment
XV: Spacecraft Systems and Associated Equipment
https://www.ecfr.gov/cgi-bin/text-idx?SID=86008bdffd1fb2e79c...
(1) Rockets, SLVs, and missiles capable of delivering at least a 500-kg payload to a range of at least 300 km (MT);
(2) Rockets, SLVs, and missiles capable of delivering less than a 500-kg payload to a range of at least 300 km (MT);
[...]
(12) Thrusters (e.g., spacecraft or rocket engines) using bi-propellants or mono-propellant that provide greater than 150 lbf (i.e., 667.23 N) vacuum thrust (MT for rocket motors or engines having a total impulse capacity equal to or greater than 8.41 × 10^5 newton seconds);
(13) Control moment gyroscope (CMG) specially designed for spacecraft;
And lots more stuff.