Item Part

The Part item class consists of items used primarily in crafting in all divisions of craft. The class includes:

Item	Item	Item	Item	Item
Firearm Trigger Assembly	Firearm Breech Assembly	Firearm Sight Assembly	Ammunition Magazine Assembly	Flywheel Assembly
Condenser Coil	Ballast Assembly	Liquid Reservoir Assembly	Piezoelectric Ignition Circuit	Superconductor Ring
Lock Assemblies	Broken Battery Pack	Rusted Radiator	Lock Cases	Glass Tube
Plastic Tubing	Broken LCD	Servomotor	Electromagnetic Motor	Actuated Valve

This list probably needs to be more organised.

It also has a sparsely populated daughter class; Item_MachinedParts which includes presumably machined parts like steel chain.

Item
Length of Steel Chain