CONNECTOR

PROBLEM TO BE SOLVED: To provide a connector having waterproof function and locking function.SOLUTION: A card edge connector 1 includes a connector housing 10 for receiving a circuit board 4 in the fitting direction M, an annular seal ring 25 arranged in the connector housing 10, and a fitting seal retainer 20 provided at the front end of the connector housing 10, and holding the seal ring 25 while retaining for the connector housing 10. The fitting seal retainer 20 includes a seal presser 21 for pressing the seal ring 25, a lock arm 22 for locking the molding 41 of the circuit board 4, and a tilt regulation protrusion 23 engaging with a tunnel 17 on the outer periphery of the connector housing 10, and regulating displacement of the fitting seal retainer 20 for the connector housing 10 in a direction crossing the fitting direction M.