Sargent 82-0542 Friction Disc — Genuine OEM Replacement Part for Sargent 8200 & 7800 Series Mortise Locks

The Sargent 82-0542 Friction Disc is a genuine OEM replacement part designed for use with Sargent 8200 Series and 7800 Series mortise locks. Sourced directly from Sargent, this friction disc ensures proper fit, function, and long-term reliability — exactly as the lock was engineered to perform. Whether you are performing routine maintenance or restoring a mortise lock to full operational condition, using an authentic Sargent replacement part like the 82-0542 is the correct solution for facility managers, locksmiths, and door hardware professionals.

Institutional Grade Features & Benefits

• Genuine OEM Part: Manufactured by Sargent to exact factory tolerances, ensuring proper compatibility and performance within the 8200 and 7800 Series mortise lock chassis.
• Direct Replacement: Engineered as a drop-in replacement component — no modification or adaptation required when servicing compatible Sargent mortise locks.
• Maintains Lock Integrity: Using authentic Sargent parts preserves the mechanical integrity and warranty compliance of the original lock assembly.
• Ideal for Maintenance Programs: A practical stock item for facilities, locksmiths, and door hardware service professionals who regularly maintain Sargent 8200 or 7800 Series hardware.
• Trusted Brand Reliability: Sargent is a leading name in commercial door hardware, and genuine replacement parts uphold the performance standards expected in institutional, commercial, and government applications.

Applications

The Sargent 82-0542 Friction Disc is suited for any application where a Sargent 8200 Series or 7800 Series mortise lock requires servicing or replacement of this internal component. Common settings include commercial office buildings, healthcare facilities, educational institutions, government buildings, and any high-use environment where Sargent mortise locks are installed.

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Technical Details