Connector having a window view part

A connector comprising:

• a terminal metal part mounted on an end of an electric wire;
• a housing provided with a fitting part housing the terminal metal part inside the fitting part and to be inserted and fit into a counterpart fitting pact having an inner circumferential wall face;
• a front holder causing the fitting part to be inserted along an insertion direction of the fitting part to the counterpart fitting part and keeping a held state of the terminal metal part in the housing;
• and
• a ring-shaped water stop member having an inner circumferential face side mounted on a protruding portion of an outer circumferential wall face of the fitting part from the front holder to fill a ring-shaped gap between the protruding portion of the outer circumferential wall face and the inner circumferential wall face of the counterpart fitting part, wherein
• the water stop member having a locked part protruding inward from the inner circumferential face,
• the fitting part having a locking part causing the locked part to be inserted and locking the locked part, and
• one of the fitting part and the front holder having a viewing window part communicating with the locking part and enabling the locked part inserted into the locking part to be visually checked from outside with the front holder mounted on the fitting part.