A connector device includes a first connector part and a second connector part. The first connector part has a first outer housing and a first sub-assembly accommodated in the first outer housing. The first sub-assembly has a first ferrule and a first latch member fastening the first sub-assembly to the first outer housing. The second connector part has a second outer housing and a second sub-assembly accommodated in the second outer housing. The second sub-assembly having a second ferrule and a second latch member fastening the second sub-assembly to the second outer housing. The second outer housing mating with the first outer housing in a state of coupling the first connector part to the second connector part.