Sargent 8239-US26D Mortise Lock, Lock Body Only, Classroom Security Intruder Function, Satin Chrome Finish

Sargent 8239-US26D Mortise Lock, Lock Body Only, Classroom Security Intruder Function, Grade 1, Field Reversible, 626 Satin Chrome Finish The Sargent 8239-US26D Mortise Lock delivers dependable security for classrooms and other high-traffic commercial openings where fast lockdown capability matters. This Grade 1 lock body features the Classroom Security Intruder function, allowing a key on either side to lock or unlock the outside lever so instructors can secure a room from inside without stepping into the hallway. Built to the demanding standards of Sargent's 8200 Series, it offers field-reversible handing for installation flexibility and a durable Satin Chrome (US26D/626) finish that resists wear and blends with a wide range of door hardware. Sold as a lock body only, it's an ideal replacement or component for new door assemblies.Features Classroom Security Intruder function lets you lock or unlock the outside lever using a key from either side of the door. ANSI/BHMA Grade 1 certified for heavy-duty commercial performance. Field-reversible design accommodates left- and right-hand door configurations. Satin Chrome (US26D/626) finish provides a clean, corrosion-resistant appearance. Sold as a lock body only for use as a replacement or in custom lock assemblies. Part of Sargent's proven 8200 Series mortise lock platform. Functional DetailsThe 8239 Classroom Security Intruder function is designed for lockdown situations. A key operates the inside cylinder to lock or unlock the outside lever, so a room can be secured without opening the door. The inside lever always retracts the latch for free egress. Key outside locks or unlocks outside lever. Key inside locks or unlocks outside lever. Latchbolt retracted by lever from either side except when outside lever is locked by key. Inside lever always active for immediate egress. Auxiliary latch deadlocks latchbolt when door is closed. Product Specifications Manufacturer Sargent SKU 8239 Series 8200 Mortise Lock Series Function Classroom Security Intruder Grade ANSI/BHMA Grade 1 Finish Satin Chrome (US26D/626) Handing Field Reversible Configuration Lock Body Only Origin Made in USA Unit of Measure Each UL Listing Type UL/cUL Listed for 3-hour fire door ANSI Number F110 BAA Qualified Yes Limited Warranty Manufacturer's limited warranty Technical Specifications Backset 2-3/4" (70 mm) Latchbolt Throw 3/4" (19 mm) Deadbolt Throw 1" (25 mm) Case Dimensions 6" H x 4-1/2" D x 1" W Faceplate Size 1-1/4" x 8" Door Thickness (Standard) 1-3/4" (44 mm) Door Thickness Range 1-3/8" to 2-1/4" Cylinder Type Mortise cylinder Latchbolt Material Stainless steel Auxiliary Latch Yes, deadlocking Hub Non-handed, field reversible