Sargent 82-3664 FW Interlocking Assembly for 8200 & 7800 Series Mortise Locks

The Sargent 82-3664 is a genuine OEM FW Interlocking Assembly designed as a direct replacement component for Sargent 8200 Series and 7800 Series mortise locks. Also referenced as the 82-3664 Assembly, this factory-original part ensures precise mechanical fit and reliable performance when restoring or servicing Sargent mortise lock hardware. Sourced directly from Sargent, it maintains the exact tolerances and material standards of the original equipment — making it the preferred choice for facility managers, locksmiths, and door hardware professionals seeking a dependable mortise lock repair solution.

Institutional Grade Features & Benefits

• Genuine OEM Part: Factory-original Sargent component — not an aftermarket substitute — ensuring exact fit and function within the 8200 and 7800 Series mortise lock chassis.
• Direct Replacement Assembly: Engineered to restore the interlocking mechanism to original operating condition, minimizing downtime and eliminating guesswork during service calls.
• 8200 & 7800 Series Compatibility: Specifically designed for Sargent's widely deployed 8200 Series and 7800 Series mortise lock product lines, found in commercial, institutional, and high-traffic door applications.
• Professional-Grade Reliability: Built to Sargent's exacting quality standards, supporting long service life in demanding commercial door hardware environments.
• Simplified Servicing: A single-part replacement solution that allows technicians to efficiently restore mortise lock operation without requiring full lock replacement.

Applications

The Sargent 82-3664 FW Interlocking Assembly is suited for maintenance and repair of Sargent 8200 Series and 7800 Series mortise locks installed in commercial office buildings, educational facilities, healthcare institutions, government facilities, and other high-use environments where Sargent mortise lock hardware is the specified product.

Technical Details