First-Stage RP-1 Tank

Assembly

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Lower tank carrying ~125 t of RP-1 kerosene; shorter than the LOX tank because kerosene is denser and the mixture ratio runs oxygen-rich by mass.

Direct parts	5
Total parts	245,022
Used in	1 assembly
Class	Assembly

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Lower tank carrying ~125 t of RP-1 kerosene; shorter than the LOX tank because kerosene is denser and the mixture ratio runs oxygen-rich by mass. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

First-Stage RP-1 Tank parts and their functions

5 top-level parts · 245,022 parts in total · full bill of materials below

First-Stage RP-1 Tank parts diagram: 1 tank barrel panel, 2 tank dome, 3 slosh baffle, 4 structural fastener, 5 pressure sensor. 245,022 parts in 5 top-level items. — First-Stage RP-1 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	6×	Machined Al-Li isogrid panel, friction-stir welded to its neighbours to form a barrel section.
2	Tank Dome	2×	Spun or gore-welded elliptical dome closing the tank end.
3	Slosh Baffle	10×	Ring baffle that damps propellant slosh modes which would otherwise couple into the control loop.
4	Structural Fastener	245000×	Internal hardware and tunnel fastening
5	Pressure Sensor	4×	Transduces fluid or gas pressure into an electrical signal.

3D model

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Build & assembly graph

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Bill of materials for First-Stage RP-1 Tank

5 top-level lines · 5 rows shown · 245,022 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	6×	6	·	part
2	Tank Dome	orbital-launch-vehicle-tank-dome	2×	2	·	part
3	Slosh Baffle	orbital-launch-vehicle-slosh-baffle	10×	10	·	part
4	Structural Fastener	orbital-launch-vehicle-structural-fastener	245000×	245,000	·	part
5	Pressure Sensor	pressure-sensor	4×	4	·	part

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Where the first-stage RP-1 tank is used

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

Space Systems 1 Orbital Launch Vehicle

Used in 1 assembly

First Stage (Booster)

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