Rugged exit device in rim design. Chassis mounted unit construction assures easy installation and maintenance. Available in four different functions. UL listed for panic. Also as fire exit device (12-3828). Ideally suited for: Warehouses Fire exits from stairwells in office buildings Features: For doors: 1-3/4” thick standard. 4-1/2” minimum stile width required for single or double door application using standard 641 strike and GTB,OB, or LL trim Mounting: Furnished standard with wood and machine screws, available with thru bolts and mortise nuts Cover: Nonferrous alloy Chassis: Nonferrous alloy Rail assembly: Roll formed steel End cap: High impact resistant black lexan Hand: Not handed Latch bolt: Stainless steel 3/4” throw Cylinder: Brass 6 Pin standard type Strike: 641 packed standard Dogging feature: Allen type key included standard ANSI: A156.3 Grade 1 UL listed: Use prefix 12 for fire rated application, stocked in sizes for doors 2’6” to 4’0” wide. Finish: Aluminum Product Downloads: Sargent 3828 Installation Instructions Sargent 3828 Template Sargent 12-3828 Template