Sargent 68-3101 J Narrow Rail Assembly (Cam Dogging) — Genuine OEM Replacement for Sargent 80 Series Exit Devices

The Sargent 68-3101 is a genuine OEM Narrow Rail Assembly (Cam Dogging) engineered as a direct replacement part for Sargent 80 Series exit devices. Identified by rail stock size designation J, this assembly is specifically sized to fit doors ranging from 37 inches to 42 inches in width, making it the correct selection for standard and slightly wider door openings within that range. If your 80 Series exit device requires a replacement cam dogging assembly, the 68-3101 J restores proper mechanical operation using factory-spec components — no improvised substitutions, no guesswork.

Institutional Grade Features & Benefits

• Genuine Sargent OEM Part: Manufactured to original Sargent specifications, ensuring precise fit and function within the 80 Series exit device platform — the same quality as the original factory-installed component.
• Correct Rail Stock Size J: Designed for door widths of 37" to 42", this assembly addresses the specific narrow-rail sizing requirements of that door width range. Selecting the correct rail stock size is critical for proper device performance.
• Direct Replacement Assembly: The 68-3101 is a complete cam dog assembly, simplifying the repair or rebuild process for facilities maintenance teams, locksmiths, and door hardware professionals working on Sargent 80 Series exit devices.
• Maintains Device Integrity: Using a genuine OEM replacement part preserves the mechanical reliability and serviceability of your existing 80 Series exit device installation, extending service life without full device replacement.
• Trusted Sargent Engineering: Sargent Manufacturing is a recognized leader in commercial door hardware. The 80 Series exit device line is widely specified in commercial, institutional, and educational facilities across North America.

Applications

The Sargent 68-3101 J Narrow Rail Assembly is the appropriate replacement part for facilities and contractors maintaining Sargent 80 Series exit devices installed on doors with a width between 37" and 42". Typical environments include commercial office buildings, schools, hospitals, government facilities, and other institutional settings where Sargent 80 Series panic hardware and exit devices are in service. Always verify your existing device series and door width measurement before ordering to confirm the J rail stock size is correct for your application.

Technical Details