The present invention relates to a plug/socket arrangement, in particular an electrical and/or optical plug/socket arrangement of an aircraft or spacecraft, which comprises a housing and at least one insert which can be received in the housing. It further comprises a releasable connection means which is adjustable between a locked position, in which the insert and the housing are locked to one another, and an unlocked position, in which the insert and the housing are not locked to one another; and an adjustment member which is adjustable between an inoperative position, in which the adjustment member is not operatively connected to the connection means, and a release position, in which the adjustment member is operatively connected to the connection means for releasing the locked position into the unlocked position of the connection means.