Sargent 68-3218 56-83/84/85 Rail Assembly — J Narrow Stock for 80 Series Exit Devices

The Sargent 68-3218 is a genuine OEM 56-83/84/85 Rail Assembly designed as a direct replacement component for Sargent 80 Series exit devices. This assembly carries rail stock size J, which fits doors measuring 37 inches to 42 inches in width — the narrow J stock designation ensures a precise, factory-matched fit without field modification. Whether you are restoring an aging exit device to full working order or sourcing a verified replacement part for a planned maintenance project, the 68-3218 delivers the OEM quality and dimensional accuracy that facility managers, door hardware distributors, and commercial contractors depend on.

Institutional Grade Features & Benefits

• Genuine OEM Sargent Component: Factory-engineered replacement part — not an aftermarket substitute — ensuring full dimensional and mechanical compatibility with the original device.
• J Narrow Rail Stock: Sized for doors from 37" to 42", covering the most common narrow-to-standard commercial door widths in this stock range.
• 80 Series Exit Device Compatibility: Engineered to work with Sargent 8300, 8400, and 8500 Series exit devices, providing broad coverage across the 80 Series product family.
• Direct Drop-In Replacement: Maintains original hardware geometry and mounting points, minimizing installation time and reducing the need for additional hardware or field adjustments.
• Supports Commercial Serviceability: Allows technicians and facility teams to extend the service life of installed Sargent 80 Series exit devices rather than replacing the entire unit.
• Trusted Sargent Quality: Manufactured to the same standards as the original device assembly, supporting reliability in high-traffic institutional, commercial, and industrial door openings.

Compatible Exit Device Models

The Sargent 68-3218 Rail Assembly is compatible with the following Sargent 80 Series exit device models: 8300, 8400, 8500.

Parts List Illustration

Technical Details