MR-104J 440N is a flight proven hydrazine monopropellant thruster. There are two variants of the MR-104J, a 16.4 in and 20.5 in length. The thruster has a total mass of 6.44 kg (includes engine and valves), with a specific impulse of 215 to 223 sec and a thrust of 440 to 614 N (steady state).
Overview
Specifications
| Parameter | Value | |
|---|---|---|
| Overview | ||
| Name | MR-104J 440N | |
| Company | L3Harris Aerojet Rocketdyne | |
| Category | Other Spacecraft Product | |
| Flight proven | Yes | |
| TRL | — | |
| Pricing and procurement | ||
| Customization / NRE | Unknown | |
Files
Datasheet PDF · 5.7 MB · Mar 13, 2026
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