Following is the list of all currently used part families:
| Family | Note |
|---|---|
| 0000-Pod | |
| 0010-Probe | |
| 0020-Cockpit | |
| 0030-Rover | |
| 0040-Methalox | Fuel tank family |
| 0050-Methane | Fuel tank family |
| 0060-Monopropellant | Fuel tank family |
| 0070-Xenon | Fuel tank family |
| 0080-Hydrogen | Fuel tank family |
| 0090-Fuel Line | Fuel tank family |
| 0100-Methalox | Engine type family |
| 0110-Solid Fuel Booster | Engine type family |
| 0120-Jet Engine | Engine type family |
| 0130-Monopropellant | Engine type family |
| 0140-Xenon | Engine type family |
| 0150-Hydrogen | Engine type family |
| 0160-Strut | |
| 0170-Clamp | |
| 0180-Engine Mount | |
| 0190-Adapter | |
| 0200-Beam | |
| 0210-Body | |
| 0220-Panel | |
| 0230-Hub | |
| 0240-Truss | |
| 0250-Truss Adapter | |
| 0260-Truss Resizer | |
| 0270-Tube | |
| 0280-Stack Decoupler | |
| 0290-Stack Separator | |
| 0300-Radial Decoupler | |
| 0310-Docking Port | |
| 0320-Fairing | |
| 0330-Cargo Bay | |
| 0340-Crew Cabin | |
| 0350-Truss | |
| 0360-Nose Cone | |
| 0370-Intake | |
| 0380-Wing | |
| 0390-Stabilizer | |
| 0400-Control Surface | |
| 0410-Tail Section | |
| 0420-Landing Leg | |
| 0430-Landing Gear | |
| 0440-Wheel | |
| 0450-Heat Shield | |
| 0470-Battery | |
| 0480-Solar Array | |
| 0490-Generator | |
| 0500-Antenna | |
| 0510-Parachute | |
| 0520-RCS | |
| 0530-Stabilizer | |
| 0540-Light | |
| 0550-Ladder | |
| Factory | |
| Service Bay |