Sargent 68-3855 Fire Rated with 53 Prefix Inner Chassis Assembly — Genuine OEM Replacement Part for Sargent 80 Series Exit Devices

The Sargent 68-3855 is a genuine OEM inner case designed as a direct replacement component for the Sargent 80 Series exit device line. Sourced directly from Sargent, this part ensures precise fit, reliable function, and full compatibility with the original device — maintaining the integrity and performance standards that the 80 Series is engineered to deliver. Whether you are performing a scheduled maintenance rebuild or restoring a malfunctioning exit device to full operational condition, the 68-3855 inner case is the manufacturer-correct solution.

Institutional Grade Features & Benefits

• Genuine OEM Quality: Manufactured by Sargent to the same tolerances and specifications as the original factory-installed inner case, ensuring seamless integration and long-term reliability.
• Direct-Fit Replacement: Engineered specifically for the Sargent 80 Series exit device family, eliminating guesswork and reducing installation time for facility managers, locksmiths, and door hardware professionals.
• Restores Exit Device Function: Replacing a worn or damaged inner case returns the exit device to full, code-compliant operation — critical for life-safety applications on commercial, institutional, and industrial doors.
• Reduces Downtime: Having the correct OEM part on hand minimizes door-out-of-service time, supporting building security and egress compliance.
• Supports Life-Safety Compliance: Keeping exit devices in proper working order is essential for meeting fire egress and building code requirements in commercial facilities.

Compatible 80 Series Exit Device Models

The Sargent 68-3855 inner case is compatible with the following Sargent 80 Series exit device models (full model designations): 8406, 8410, 8413, 8415, 8440, 8443, 8446, 8473, 8474, 8606, 8610, 8613, 8615, 8640, 8643, 8646, 8673, 8674.

Technical Details

Parts List Illustration