Problem to be solved: to provide a receptacle portion for optical connector which is capable of eliminating the problem caused by the dust generated at the time of attachment and dismounting of optical plug and receptacle part.Solution: the receptacle part 40 for optical connector is provided with a plug fitting part 42 to which the optical plug 52 of the optical connector 18 is inserted and removed, and a discharge part 46 for discharging the crushing powder 100 generated when the optical connector 18 is mounted and removed from the discharge part 46, provided vertically below the plug fitting part 42 A storage portion 47 for storing the scraped powder 100 is provided.Diagram【課題】 光プラグとレセプタクル部の着脱時に発生する削り粉による不具合を極力解消できるようにした光コネクタ用レセプタクル部の提供。【解決手段】 光コネクタ用レセプタクル部40は、光コネクタ18の光プラグ52が挿抜されるプラグ嵌合部42と、プラグ嵌合部42の鉛直下方に設けられ、光コネクタ18の装着脱時に発生する削り粉100を排出する排出部46と、排出部46から排出された削り粉100を蓄積する蓄積部47と、を具備する。【選択図】図4
