Second-Stage Tank

Assembly

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Short Al-Li tank section, the same 3.7 m diameter and weld construction as the booster so both stages share tooling, a manufacturing decision that shows up in the BOM as shared panels and domes.

Direct parts	5
Total parts	110,017
Used in	1 assembly
Class	Assembly
Status	unverified

Short Al-Li tank section, the same 3.7 m diameter and weld construction as the booster so both stages share tooling, a manufacturing decision that shows up in the BOM as shared panels and domes. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Second-Stage Tank parts and their functions

5 top-level parts · 110,017 parts in total · full bill of materials below

Second-Stage Tank parts diagram: 1 tank barrel panel, 2 tank dome, 3 slosh baffle, 4 structural fastener, 5 pressure sensor. 110,017 parts in 5 assemblies. — Second-Stage Tank parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Tank Barrel Panel	4×	Machined Al-Li isogrid panel, friction-stir welded to its neighbours to form a barrel section.
2	Tank Dome	3×	Two ends plus common dome
3	Slosh Baffle	6×	Ring baffle that damps propellant slosh modes which would otherwise couple into the control loop.
4	Structural Fastener	110000×	Internal hardware fastening
5	Pressure Sensor	4×	Transduces fluid or gas pressure into an electrical signal.

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour

product / assembly shared across products atomic part related product

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Bill of materials for Second-Stage Tank

5 top-level lines · 5 rows shown · 110,017 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Tank Barrel Panel	orbital-launch-vehicle-tank-barrel-panel	4×	4	·	part
2	Tank Dome	orbital-launch-vehicle-tank-dome	3×	3	·	part
3	Slosh Baffle	orbital-launch-vehicle-slosh-baffle	6×	6	·	part
4	Structural Fastener	orbital-launch-vehicle-structural-fastener	110000×	110,000	·	part
5	Pressure Sensor	pressure-sensor	4×	4	·	part

Where the second-stage tank is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Space Systems 1 Reusable Launch Vehicle

Used in 1 assembly

Second Stage

Sourcing: possible vendors

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–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks