Sargent 68-5880 Center Chassis Assembly | for 8500 Series Exit Devices
The Sargent 68-5880 is a genuine OEM replacement center chassis specifically engineered for Sargent 8500 Series Rim Exit Devices. As the mechanical "heart" of the panic bar, this assembly houses the critical lift mechanisms required to retract the latch bolt. Designed for versatility and longevity, the 68-5880 is the updated solution for maintaining legacy 8500 series hardware, especially following the discontinuation of individual lift lever components.
Mechanical Integrity & Professional Grade Features
- Universal Fire Rating: Engineered for use on both Non-Fire Rated and Fire-Rated (UL Listed) door assemblies, ensuring compliance with strict life-safety building codes.
- Non-Handed Design: The chassis itself is non-handed, providing flexibility during installation; however, final configuration is determined by the specific handing of your door.
- Streamlined Maintenance: This assembly replaces the discontinued individual lift levers (#68-0477 & #68-0478), providing a complete, factory-timed unit that eliminates the need for sourcing obsolete parts.
- Mechanical Function Reliability: Optimized for standard 8500 Series mechanical functions, ensuring smooth, consistent operation for panic exit hardware.
- Solid Steel Construction: Built to withstand the physical demands of high-frequency use in institutional environments.
Technical Specifications
- Model Number: 68-5880
- Product Type: Center Chassis Assembly
- Series Compatibility: Sargent 8500 Series Rim Exit Devices
- Application: Mechanical Functions (Non-Electrified)
- Handing: Required at time of order (LHR or RHR)
- Compatibility Note: Not for use with electrified/access control chassis options.
Important Ordering & Installation Information:
Handing Requirement: While the chassis is versatile, door handing information is required when placing your order to ensure proper internal configuration. Please verify if your door is Left Hand Reverse (LHR) or Right Hand Reverse (RHR) before checkout.
The Sargent 68-5880 is the professional solution for a "sagging" or unresponsive panic bar. When the internal lift levers wear out, the latch may fail to retract fully, creating a safety hazard. Replacing the entire chassis assembly is more efficient and reliable than attempting to repair individual internal springs or pins. For a secure and permanent installation, ensure the chassis is mounted using high-strength thru bolts to prevent the hardware from pulling away from the door leaf under heavy use.
Installation Note: This chassis is for mechanical functions only. If your exit device includes an electric latch retraction (ELR) or request-to-exit (RX) switch, you will require a different specialized electrified chassis.

| Brand | Sargent |
| Series | Sargent - 80 Series |
| Part Type | Chassis Assembly |
| Fire Rated | Fire Rated, Non-Rated |
| Exit Device Type | Narrow Stile, Rim Exit Device |
| Door Handing | RHR, LHR |
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