Sargent 82-3670 Spindle & Locking Hub — Genuine OEM Replacement for 8200 & 7800 Series Mortise Locks

The Sargent 82-3670 Spindle & Locking Hub is a genuine OEM replacement spindle engineered specifically for Sargent 8200 Series and 7800 Series mortise locks. Also referenced as the Sargent Part Number 82-3670, this factory-original component restores proper lever and trim operation on Sargent mortise locksets without the guesswork of aftermarket substitutes. When a mortise lock spindle wears, breaks, or fails, replacing it with the correct OEM part ensures precise fit, reliable engagement, and long-term performance consistent with the original hardware specification.

Institutional Grade Features & Benefits

• Genuine OEM Part: Factory-original Sargent component manufactured to the same tolerances and materials as the spindle installed at the time of original production — no adaptation or modification required.
• Exact-Fit Compatibility: Designed and verified for use with Sargent 8200 Series and 7800 Series mortise locks, eliminating compatibility risk common with non-OEM alternatives.
• Restores Full Mortise Lock Function: A worn or damaged spindle is a leading cause of lever trim failure in mortise locks; replacing it with the correct part returns the lock to proper operating condition.
• Reduces Downtime: Direct-replacement design means faster installation in the field — ideal for facility maintenance teams, locksmiths, and door hardware professionals managing institutional or commercial building hardware.
• Long-Term Reliability: OEM-spec construction ensures the spindle and locking hub assembly maintains consistent engagement across the full service life of the mortise lock body.

About Sargent 8200 Series Mortise Locks

The Sargent 8200 Series is a heavy-duty, institutional-grade mortise lock line widely specified in commercial, healthcare, education, and government facilities. Mortise locks are installed directly into a pocket (mortise) cut into the door edge, providing superior strength and durability compared to cylindrical locksets. Maintaining these locks with genuine Sargent OEM replacement parts like the 82-3670 spindle protects the integrity of the original hardware specification and supports compliance with facility maintenance standards.

Technical Details