A connector includes a housing and a terminal assembly. The housing includes a housing body portion having a through hole penetrating in a first direction. The terminal assembly includes a terminal, a holding component to be inserted into the through hole together with the terminal, a sealing member for sealing between an inner wall of the through hole and the terminal by being directly mounted on the terminal and a nut to be mounted and temporarily held in the holding component. The holding component includes a terminal insertion hole, into which the terminal is inserted, a terminal positioning portion for positioning the terminal inserted into the terminal insertion hole and a nut positioning portion provided to be continuous with the terminal positioning portion for positioning the nut. The housing includes a nut holding wall for holding the nut in a state positioned by the nut positioning portion.