Sargent 82-0149 Hub Core for Thumbturn — Genuine OEM Mortise Lock Replacement Part

The Sargent 82-0149 is a genuine OEM replacement Hub (thumbturn hub core) designed for Sargent 8200 Series and 7800 Series mortise locks. As a factory-original component sourced directly from Sargent, this hub core ensures proper fit, reliable operation, and long-term performance when restoring or servicing a mortise lock assembly. Sourcing a genuine OEM part — rather than an aftermarket substitute — eliminates compatibility guesswork and preserves the integrity of the original lockset.

Institutional Grade Features & Benefits

• Genuine OEM Quality: Manufactured by Sargent to exact factory tolerances, ensuring a precise drop-in fit within compatible 8200 and 7800 Series mortise lock bodies without modification.
• Thumbturn Hub Function: Serves as the hub core that interfaces with the thumbturn mechanism inside the mortise lock, enabling interior manual operation of the lock bolt — a critical component in maintaining proper interior egress and locking function.
• Restores Full Lock Functionality: A worn, damaged, or missing hub core can render a mortise lock inoperable; replacing it with the correct OEM part restores the lock to original specification and performance.
• Designed for Commercial Mortise Lock Service: Ideal for facility maintenance teams, locksmiths, and door hardware professionals servicing Sargent mortise locks in commercial, institutional, and hospitality environments.
• Exact Part Number Reference: Identified by Sargent part number 82-0149, making procurement, specification, and reorder straightforward for maintenance departments and hardware distributors.

Applications

The Sargent 82-0149 hub core is the correct replacement component for technicians and facilities managers servicing Sargent 8200 Series mortise locks and 7800 Series mortise locks in commercial office buildings, healthcare facilities, educational institutions, government buildings, and hospitality properties. It is commonly required during mortise lock rebuild, preventive maintenance, or repair after component wear or damage.

Technical Details