Sargent 81-0742 Cylinder Plate Only — Genuine OEM Replacement for 8200 & 7800 Series Mortise Locks

The Sargent 81-0742 is a genuine OEM cylinder plate (part number 81-0742) designed as a direct replacement component for Sargent 8200 Series and 7800 Series mortise locks. Also referenced as the cylinder trim plate or cylinder rose, this part provides the escutcheon interface between the mortise lock body and the key cylinder — restoring proper fit, finish, and function without requiring full hardware replacement. Note: cylinder is not included; this listing is for the cylinder plate only.

Institutional Grade Features & Benefits

• Genuine Sargent OEM Part: Manufactured to the same specifications as the original factory component, ensuring precise fit and long-term reliability in commercial and institutional door hardware applications.
• Direct Drop-In Replacement: Engineered specifically for Sargent 8200 Series and 7800 Series mortise locks, eliminating guesswork and reducing installation time for facility managers, locksmiths, and door hardware professionals.
• Preserves Lock Integrity: Restores the mortise lock assembly to factory specification, maintaining proper cylinder retention and the overall security performance of the lock set.
• Commercial & Institutional Grade: Built for demanding, high-traffic environments including schools, healthcare facilities, government buildings, hotels, and commercial offices where Sargent 8200 Series mortise hardware is commonly specified.
• Cost-Effective Repair Solution: Replacing only the cylinder plate — rather than the entire mortise lock chassis — significantly reduces parts and labor costs while returning the door to full service.

Technical Specifications

• Compatible Series: Sargent 8200 Series Mortise Locks; Sargent 7800 Series Mortise Locks
• Part Type: Cylinder Plate Only (cylinder not included)
• OEM Status: Genuine Sargent replacement part
• Product Class: Mortise Lock Component

Technical Details

Applications

The Sargent 81-0742 cylinder plate is the correct replacement choice whenever the original cylinder trim plate on a Sargent 8200 or 7800 Series mortise lock is damaged, worn, or missing. Ideal for use by locksmiths, door hardware distributors, facility maintenance teams, and commercial contractors servicing institutional and commercial buildings. Sargent 8200 Series mortise locks are widely installed in educational institutions, hospitals, government facilities, and hospitality properties — making this OEM service part a high-demand component for ongoing maintenance programs.