# Bill of Materials Template

| Item | Part number | Description | Qty | Material | Manufacturing route | Mass | Status |
|---:|---|---|---:|---|---|---:|---|
| 1 | AST-100-001-A | Central-spine longeron | 4 | TBD | Tube fabrication | TBD | Concept |
| 2 | AST-200-001-A | Ring sector frame | 12 | TBD | Machined/welded demonstrator | TBD | Concept |
| 3 | AST-500-006-A | Thruster-gimbal bracket | 12 | Aluminium 6061 demonstrator | 3-axis CNC | TBD | Planned |
