Sargent 68-3084 Rail Assembly — J-Narrow, 80 Series Exit Device Replacement Part

The Sargent 68-3084 is a genuine OEM Rail Assembly designed as a direct replacement for Sargent 80 Series exit devices. Also referenced by the Sargent part designation 12-55-58, this assembly carries the J rail stock size, which is engineered to fit doors ranging from 37 inches to 42 inches in width. Sourcing a factory-original Sargent rail assembly ensures proper fit, consistent operation, and long-term reliability when restoring or rebuilding an 80 Series panic hardware unit.

Institutional Grade Features & Benefits

• Genuine OEM Sargent Component: Manufactured to Sargent's original specifications, ensuring precise fitment and performance within the 80 Series exit device system without modification.
• J-Narrow Rail Stock Size: The J designation covers door widths of 37" to 42", making this assembly the correct choice for standard-width commercial and institutional door openings in that range.
• 80 Series Compatibility: Engineered exclusively for the Sargent 80 Series exit device product line, maintaining the integrity of the original hardware assembly.
• Direct Replacement Fit: Simplifies maintenance and service calls — installers and facility managers can swap this assembly in place of a worn or damaged rail without sourcing aftermarket alternatives.
• Supports Long-Term Asset Protection: Replacing a worn rail assembly with a genuine Sargent part extends the service life of the overall exit device, protecting the facility's hardware investment.

Technical Details