Service Module
AssemblyUnpressurized section carrying the main propulsion, RCS thrusters, propellant tanks, and batteries. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Service Module
7 top-level lines as of r23790| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Engine | cargo-spacecraft-main-engine | 1× | 1 | · | part |
| 2 | RCS Thruster | cargo-spacecraft-rcs-thruster | 24× | 24 | · | part |
| 3 | Propellant Tank | cargo-spacecraft-propellant-tank | 4× | 4 | · | part |
| 4 | Helium Pressurant Tank | cargo-spacecraft-pressurant-tank | 2× | 2 | · | part |
| 5 | Propellant Valve Set | cargo-spacecraft-propellant-valve-set | 1× | 1 | · | part |
| 6 | Battery Pack 5 parts | cargo-spacecraft-battery-pack | 2× | 2 | 0 | assembly |
| 7 | Service Module Structure | cargo-spacecraft-sm-structure | 1× | 1 | · | part |