Propellant Tanks & Pressurization

Assembly

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Four spherical titanium propellant tanks arranged around the thrust axis, pressure-fed by regulated helium so the engines need no pumps.

Direct parts	6
Total parts	20
Used in	1 assembly
Class	Assembly

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Four spherical titanium propellant tanks arranged around the thrust axis, pressure-fed by regulated helium so the engines need no pumps. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Propellant Tanks & Pressurization parts and their functions

6 top-level parts · 20 parts in total · full bill of materials below

Propellant Tanks & Pressurization parts diagram: 1 fuel tank, 2 oxidizer tank, 3 helium pressurant bottle, 4 helium pressure regulator, 5 pressure sensor, 6 o-ring set. 20 parts in 6 top-level items. — Propellant Tanks & Pressurization 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	Fuel Tank	2×	MMH fuel tanks
2	Oxidizer Tank	2×	MON-3 oxidizer tanks
3	Helium Pressurant Bottle	2×	High-pressure helium bottles
4	Helium Pressure Regulator	2×	Helium regulators
5	Pressure Sensor	8×	Tank/line transducers (reuse)
6	O-Ring Set	4×	Line seals (reuse)

3D model

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Build & assembly graph

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Bill of materials for Propellant Tanks & Pressurization

6 top-level lines · 6 rows shown · 20 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Fuel Tank	lunar-lander-fuel-tank	2×	2	·	part
2	Oxidizer Tank	lunar-lander-ox-tank	2×	2	·	part
3	Helium Pressurant Bottle	lunar-lander-helium-tank	2×	2	·	part
4	Helium Pressure Regulator	lunar-lander-pressure-regulator	2×	2	·	part
5	Pressure Sensor	pressure-sensor	8×	8	·	part
6	O-Ring Set	oring-set	4×	4	·	part

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Where the propellant tanks & pressurization is used

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

Space Systems 1 Lunar Lander

Used in 1 assembly

Lunar Lander

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–$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