Sargent 82-5578 Indicator Over-Travel Cam Assembly — 38 & 59 Functions, 1-3/8" Door Thickness

The Sargent 82-5578 is a genuine OEM Indicator Over-Travel Cam Assembly designed as a direct replacement component for Sargent 8200 Series and 7800 Series mortise locks. Engineered specifically for doors with a 1-3/8" door thickness, this cam assembly is compatible with lock functions 38 and 59 — the indicator functions that signal occupied/vacant status. Sourcing a genuine Sargent OEM part ensures precise fit, reliable operation, and full restoration of your mortise lock's performance without modification or adaptation.

Institutional-Grade Features & Benefits

• Genuine OEM Component: Manufactured by Sargent to the same exacting standards as the original factory-installed part, ensuring a precise drop-in replacement with no guesswork.
• Indicator Over-Travel Cam Function: Specifically engineered to support the over-travel cam mechanism required by indicator-equipped mortise lock functions, maintaining accurate occupied/vacant signaling.
• Compatible Lock Functions: 38, 59 — indicator mortise lock functions that incorporate visual occupancy status signaling.
• Correct Door Thickness Fit: Designed for 1-3/8" door thickness, ensuring proper cam geometry, throw, and engagement within the mortise lock body.
• 8200 & 7800 Series Compatibility: A verified replacement cam for Sargent's widely deployed 8200 Series and 7800 Series mortise lock product lines, commonly found in commercial, institutional, and healthcare facilities.
• Restores Like-New Operation: Replacing a worn or damaged cam assembly with a factory-spec OEM part restores full mechanical function without the cost of a complete lock replacement.
• Minimizes Downtime: A direct OEM replacement reduces installation time for locksmiths and facility maintenance teams, getting doors back in service quickly.

Applications

The Sargent 82-5578 cam assembly is the correct service part for repair and maintenance of Sargent 8200 Series and 7800 Series mortise locks installed in commercial buildings, healthcare facilities, educational institutions, government buildings, and hospitality properties where indicator mortise lock functions (38 and 59) are in use. It is ideal for locksmiths, facility managers, and door hardware distributors performing field repairs or stocking critical replacement parts.

Technical Details