Sargent 68-7308 FM8700 Chassis Assembly – Left Hand Reverse (LHR) for 80 Series Exit Devices

The Sargent 68-7308 FM8700 Chassis Assembly is a genuine OEM replacement chassis assembly engineered for the Sargent 80 Series exit device. Also referenced as the FM8700 chassis, this precision-manufactured component serves as the core operating mechanism of the exit device. When the push bar is depressed, the push rail transfers force directly to this chassis assembly, which retracts the latch and permits egress. Restoring this assembly to proper working condition is essential for reliable, code-compliant panic hardware performance. Handing: Left Hand Reverse (LHR).

Institutional Grade Features & Benefits

• OEM Sargent Component: Manufactured to exact Sargent specifications, ensuring a precise drop-in fit within the 80 Series exit device chassis housing — no modification required.
• Core Operating Mechanism: Functions as the central chassis assembly that receives push-rail force and translates it into latch retraction, maintaining smooth, dependable egress operation.
• Restores Device Functionality: Replaces a worn, damaged, or failed chassis to return the exit device to full operating condition, supporting life-safety and building-code compliance.
• Correct Handing: Specified for Left Hand Reverse (LHR) applications — confirm door handing before ordering; see the handing diagram included with this listing.
• 80 Series Compatibility: Designed exclusively for the Sargent 80 Series exit device family, making this the correct part for maintenance, repair, and replacement programs in commercial and institutional facilities.
• Reduces Downtime: Having the correct OEM chassis assembly on hand minimizes door hardware downtime in schools, hospitals, office buildings, and other high-traffic commercial applications.

Technical Details

Door Handing Reference

Parts List Illustration