BOMwiki the bill-of-materials encyclopedia 27,966,200 parts mapped · 127,414 items

First Stage (Booster) Assembly

Booster stage burning RP-1 and liquid oxygen for ~160 s, carrying nine engines, two integral propellant tanks and the thrust structure that reacts ~7,600 kN at liftoff. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

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Bill of materials

6 top-level lines · 47 rows shown · 1,661,636 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Booster Engine 7 parts orbital-launch-vehicle-engine 9 54,612 assembly
1.1 Turbopump 6 parts orbital-launch-vehicle-turbopump 9 55 assembly
1.1.1 Pump Impeller orbital-launch-vehicle-pump-impeller 18 part
1.1.2 Pump Inducer orbital-launch-vehicle-pump-inducer 18 part
1.1.3 Turbine Wheel orbital-launch-vehicle-turbine-wheel 9 part
1.1.4 Ball Bearing ball-bearing 36 part
1.1.5 O-Ring Set oring-set 54 part
1.1.6 Fastener Set fastener-set 40× 360 part
1.2 Thrust Chamber & Nozzle orbital-launch-vehicle-thrust-chamber 9 part
1.3 Injector 2 parts orbital-launch-vehicle-injector 9 701 assembly
1.3.1 Injector Body orbital-launch-vehicle-injector-body 9 part
1.3.2 Injector Element orbital-launch-vehicle-injector-element 700× 6,300 part
1.4 Gas Generator orbital-launch-vehicle-gas-generator 9 part
1.5 Engine Valve orbital-launch-vehicle-engine-valve 72 part
1.6 Engine Controller 5 parts orbital-launch-vehicle-engine-controller 9 1,846 assembly
1.6.1 Bare PCB pcb-bare 18 part
1.6.2 Microcontroller mcu 18 part
1.6.3 SMD Passive (R/C/L) smd-passives 1800× 16,200 part
1.6.4 Connector connector 30× 270 part
1.6.5 Pressure Sensor pressure-sensor 12× 108 part
1.7 Engine Hardware Set 1 parts orbital-launch-vehicle-engine-hardware 9 52,000 assembly
1.7.1 Engine Small Part orbital-launch-vehicle-engine-smallpart 52000× 468,000 part
2 First-Stage LOX Tank 5 parts orbital-launch-vehicle-lox-tank 1 295,028 assembly
2.1 Tank Barrel Panel orbital-launch-vehicle-tank-barrel-panel 8 part
2.2 Tank Dome orbital-launch-vehicle-tank-dome 2 part
2.3 Slosh Baffle orbital-launch-vehicle-slosh-baffle 14× 14 part
2.4 Structural Fastener orbital-launch-vehicle-structural-fastener 295000× 295,000 part
2.5 Pressure Sensor pressure-sensor 4 part
3 First-Stage RP-1 Tank 5 parts orbital-launch-vehicle-rp1-tank 1 245,022 assembly
3.1 Tank Barrel Panel orbital-launch-vehicle-tank-barrel-panel 6 part
3.2 Tank Dome orbital-launch-vehicle-tank-dome 2 part
3.3 Slosh Baffle orbital-launch-vehicle-slosh-baffle 10× 10 part
3.4 Structural Fastener orbital-launch-vehicle-structural-fastener 245000× 245,000 part
3.5 Pressure Sensor pressure-sensor 4 part
4 Thrust Structure (Octaweb) 4 parts orbital-launch-vehicle-thrust-structure 1 380,035 assembly
4.1 Octaweb Web Member orbital-launch-vehicle-octaweb-member 8 part
4.2 Engine Mount orbital-launch-vehicle-engine-mount 9 part
4.3 TVC Actuator orbital-launch-vehicle-tvc-actuator 18× 18 part
4.4 Structural Fastener orbital-launch-vehicle-structural-fastener 380000× 380,000 part
5 Propellant Feed System 4 parts orbital-launch-vehicle-feed-system 1 160,019 assembly
5.1 Propellant Feed Line orbital-launch-vehicle-feed-line 4 part
5.2 Propellant Valve orbital-launch-vehicle-propellant-valve 14× 14 part
5.3 Pogo Accumulator orbital-launch-vehicle-pogo-accumulator 1 part
5.4 Fluid Fitting orbital-launch-vehicle-fluid-fitting 160000× 160,000 part
6 Base Heatshield 2 parts orbital-launch-vehicle-base-heatshield 1 90,024 assembly
6.1 Heatshield Panel orbital-launch-vehicle-heatshield-panel 24× 24 part
6.2 Structural Fastener orbital-launch-vehicle-structural-fastener 90000× 90,000 part

Used in 1 assembly

Sourcing — likely vendors

Companies that make this · indicative price $0.50–$100 · MOQ & lead are typical
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
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