Oil immersed solenoid

An oil immersed solenoid comprising:

• a case having a tubular internal space;
• a movable core configured to move in the internal space of the case in an axial direction of the internal space to apply a biasing force to a control part;
• a fixed magnetic pole portion configured to attract the movable core in the axial direction of the internal space;
• an adjusting spring configured to apply the biasing force to the movable core;
• a biasing force adjusting member provided at an opening end portion of the case and configured to adjust an axial position thereof to adjust the biasing force of the adjusting spring;
• and
• a degassing member provided at an opening end portion of the biasing force adjusting member and including a degassing passage that allows the internal space to communicate with an outside by changing relative positions of the biasing force adjusting member and the degassing member, wherein
• a sealing portion configured to open or close the degassing passage is provided between the biasing force adjusting member and the degassing member.