| 摘要 |
First, second and third O-rings are disposed in an inner peripheral surface of a resin tube connecting portion of a connector housing. A resin tube is connected to the resin tube connecting portion while fitted thereon such that an opposite axial end of a fit-on portion of the resin tube reaches an opposite axial end of the resin tube connecting portion and the opposite axial end of the fit-on portion of the resin tube is located substantially on an axial position of the third O-ring. The tubular connector housing is made of resin and the resin tube has a barrier layer against gasoline fuel or the like.
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