Pressure Vessel & Primary Structure
AssemblyWelded crew module shell holding cabin pressure against vacuum. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Pressure Vessel & Primary Structure parts and their functions
7 top-level parts · 169 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Crew Module Shell 3 parts | 1× | Machined aluminium-lithium isogrid pressure hull. |
| 2 | Pressure Bulkhead | 2× | Forward + aft |
| 3 | Cabin Window Assembly 3 parts | 4× | |
| 4 | Side Hatch Assembly 5 parts | 1× | Pressure-sealing crew ingress/egress hatch. |
| 5 | Docking Adapter (IDA) 7 parts | 1× | Androgynous low-impact docking port to ISS standard. |
| 6 | Backshell Support Frame | 1× | |
| 7 | Fastener Set | 1× | Bolts, nuts, and washers. |
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Bill of materials for Pressure Vessel & Primary Structure
7 top-level lines · 32 rows shown · 169 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Crew Module Shell 3 parts | crewed-spacecraft-crew-shell | 1× | 1 | 11 | assembly |
| 1.1 | Aluminium-Lithium Hull Panel | crewed-spacecraft-hull-panel | 6× | 6 | · | part |
| 1.2 | Isogrid Stiffening Ring | crewed-spacecraft-isogrid-ring | 4× | 4 | · | part |
| 1.3 | Friction-Stir Weld Seam | crewed-spacecraft-weld-seam | 1× | 1 | · | part |
| 2 | Pressure Bulkhead | crewed-spacecraft-pressure-bulkhead | 2× | 2 | · | part |
| 3 | Cabin Window Assembly 3 parts | crewed-spacecraft-window-assembly | 4× | 4 | 6 | assembly |
| 3.1 | Fused Silica Window Pane | crewed-spacecraft-window-pane | 3× | 12 | · | part |
| 3.2 | Window Retainer Frame | crewed-spacecraft-window-frame | 1× | 4 | · | part |
| 3.3 | O-Ring Set | oring-set | 2× | 8 | · | part |
| 4 | Side Hatch Assembly 5 parts | crewed-spacecraft-hatch | 1× | 1 | 35 | assembly |
| 4.1 | Hatch Door | crewed-spacecraft-hatch-door | 1× | 1 | · | part |
| 4.2 | Hatch Silicone Seal | crewed-spacecraft-hatch-seal | 1× | 1 | · | part |
| 4.3 | Hatch Latch | crewed-spacecraft-hatch-latch | 6× | 6 | · | part |
| 4.4 | Hatch Drive Actuator 3 parts | crewed-spacecraft-hatch-actuator | 1× | 1 | 26 | assembly |
| 4.4.1 | Servo Motor 4 parts + deeper › | servo-motor | 1× | 1 | 24 | assembly |
| 4.4.2 | Helical Gear Pair | gear-pair | 1× | 1 | · | part |
| 4.4.3 | Ball Screw | ball-screw | 1× | 1 | · | part |
| 4.5 | Pressure Sensor | pressure-sensor | 1× | 1 | · | part |
| 5 | Docking Adapter (IDA) 7 parts | crewed-spacecraft-docking-adapter | 1× | 1 | 95 | assembly |
| 5.1 | Soft-Capture Docking Ring | crewed-spacecraft-docking-ring | 1× | 1 | · | part |
| 5.2 | Capture Petal | crewed-spacecraft-soft-capture-petal | 3× | 3 | · | part |
| 5.3 | Hard-Capture Latch | crewed-spacecraft-capture-latch | 12× | 12 | · | part |
| 5.4 | Docking Interface Seal | crewed-spacecraft-docking-seal | 2× | 2 | · | part |
| 5.5 | Linear Guide Rail | linear-guide | 3× | 3 | · | part |
| 5.6 | Servo Motor 4 parts | servo-motor | 3× | 3 | 24 | assembly |
| 5.6.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 3 | 3 | assembly |
| 5.6.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 3 | 19 | assembly |
| 5.6.3 | Encoder | encoder | 1× | 3 | · | part |
| 5.6.4 | Motor Housing | motor-housing | 1× | 3 | · | part |
| 5.7 | Pressure Sensor | pressure-sensor | 2× | 2 | · | part |
| 6 | Backshell Support Frame | crewed-spacecraft-backshell-frame | 1× | 1 | · | part |
| 7 | Fastener Set | fastener-set | 1× | 1 | · | part |
Where the pressure vessel & primary structure is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$200. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| bharatforge.com ↗ | Pune, IN | Forgings & metal parts | 500 pcs | 6–10 wks |
| dicastal.com ↗ | Qinhuangdao, CN | Aluminium castings & wheels | 500 pcs | 6–10 wks |
| tataautocomp.com ↗ | Pune, IN | Auto components | 500 pcs | 6–10 wks |
|
🇸🇬Beyonics
beyonics.com ↗
|
Singapore | Precision metal & mfg | 500 pcs | 6–10 wks |
| sundaram-clayton.com ↗ | Chennai, IN | Die castings | 500 pcs | 6–10 wks |