The 5N HPGP from ECAPS is a Spacecraft Thruster with Thrust 1.5 to 5.5 N, Thruster Mass 0.48 Kg, Specific Impulse 239 to 253 Sec, Propellant Mass 0.48 Kg, Inlet Pressure 0.55 to 2.4 Mpa. Tags: HPGP Thruster. More details for 5N HPGP can be seen below.