A modular cylinder's length is determined by 4 basic parts; a cam screw, cam, plug extension, and a back housing. Most of these parts are used in more than one cylinder length and...
The 388 Cylinder Control is required for the NL-OP function on a 33A/35A series exit devices.
The 110NL is used on 22 and 98/99 series exit devices not 33/35A series devices.
Part numbers listed below:
2030-3071 cylinder assembly includes the closer cylinder and finish plate.
2030-3971 is the cylinder only.
2030-3002 is the finish plate.
2030-3077T is ...