Patent ID: 8348518

Claim:
An optical connector comprising: a housing including a through hole; an insertion member that is inserted into the through hole; a holding member that holds an optical fiber, the holding member being accommodated in the through hole; and a seal member that is mounted on an outer peripheral surface of said holding member, the seal member preventing fluid from passing through the through hole; wherein: a seal member-accommodating portion for accommodating said seal member in a compressed state is formed at an intermediate position in the through hole of said housing, said insertion member is provided with a pressing portion that presses said seal member into the seal member-accommodating portion when said insertion member is inserted into the through hole, and said holding member comprises a ferrule for holding said optical fiber and a flange member that is mounted on an insertion member-side end portion of said ferrule, the flange member including a flange portion for receiving said seal member when said insertion member is inserted into the through hole.