A device with an alignment device, a first functional element (103; 203) and a second functional element (105; 205), wherein the alignment device is provided for the precise positioning of the first functional element (103; 203), in particular a retainer, on the second functional element (105; 205), in particular a disk, which elements are detachably affixed to one another, wherein in the secured state: - at least one alignment element (115; 215) of the alignment device is arranged secured in a recess in the housing (117; 217) of the first functional element (103; 203) by means of at least one securing element (131; 231) of the device; - the alignment element (115; 215) is connected to the first functional element (103; 203) with at least one securing surface (119; 219), and is in contact with a support surface of the second functional element (105; 205) with at least one contact surface (121; 221); - a pre-tensioning device (125; 225) of the alignment device acts between the contact surface (121; 221) and the support surface, which device exerts a returning force, for returning to a starting position, on the contact surface (121; 221) and support surface, which are set one towards the other; and - the alignment element (115; 215) is arranged laterally countersunk in the recess in the housing (117; 217), wherein the contact surfaces (121; 221) protrude above the lower surface (133; 233) of the first functional element (103; 203), - wherein, in the secured state, the respective securing element (131; 231) is arranged accessible from the outside for carrying out securing and/or alignment processes, and wherein the contact surface (121; 221) is provided on a protruding body section (169; 269) of the alignment element (115; 215), characterised in that - the protruding body section (169; 269) is a block-shaped engagement section, the contact surface (121; 221) of which is aligned with respect to a principal axis of the first functional element (103; 203), oriented obliquely, at an angle (a) of a maximum of 5°. - at least one alignment element (115; 215) of the alignment device is arranged secured in a recess in the housing (117; 217) of the first functional element (103; 203) by means of at least one securing element (131; 231) of the device; - the alignment element (115; 215) is connected to the first functional element (103; 203) with at least one securing surface (119; 219), and is in contact with a support surface of the second functional element (105; 205) with at least one contact surface (121; 221); - a pre-tensioning device (125; 225) of the alignment device acts between the contact surface (121; 221) and the support surface, which device exerts a returning force, for returning to a starting position, on the contact surface (121; 221) and support surface, which are set one towards the other; and - the alignment element (115; 215) is arranged laterally countersunk in the recess in the housing (117; 217), wherein the contact surfaces (121; 221) protrude above the lower surface (133; 233) of the first functional element (103; 203), - wherein, in the secured state, the respective securing element (131; 231) is arranged accessible from the outside for carrying out securing and/or alignment processes, and wherein the contact surface (121; 221) is provided on a protruding body section (169; 269) of the alignment element (115; 215), characterised in that - the protruding body section (169; 269) is a block-shaped engagement section, the contact surface (121; 221) of which is aligned with respect to a principal axis of the first functional element (103; 203), oriented obliquely, at an angle (a) of a maximum of 5°.