Sargent 82-0421 Hub — Genuine OEM Replacement for 8200 & 7800 Series Mortise Locks

The Sargent 82-0421 Hub is a genuine OEM replacement internal hub component designed for Sargent 8200 Series and 7800 Series mortise locks. As a factory-authentic part, the 82-0421 ensures precise mechanical fit and reliable performance when restoring or servicing a Sargent mortise lock case. This hub is the critical internal element that transfers rotational motion from the lever trim to the mortise lock latch mechanism, and sourcing a genuine Sargent part guarantees the dimensional accuracy and material quality needed for long-term, dependable door hardware operation in commercial and institutional environments.

Institutional Grade Features & Benefits

• Genuine OEM Component: Manufactured by Sargent to original factory specifications, ensuring a precise drop-in fit within the 8200 Series mortise lock case without modification or adjustment.
• Broad Series Compatibility: Engineered to work across a wide range of Sargent 8200 and 7800 Series mortise lock functions, making it an ideal stock item for facility maintenance teams, locksmiths, and door hardware service professionals.
• Restores Proper Lock Operation: Replacing a worn or damaged hub with an authentic Sargent 82-0421 returns the mortise lock to factory-level performance, eliminating lever slop, engagement failures, or latch-retraction issues caused by hub wear.
• Commercial & Institutional Grade Quality: Sargent 8200 Series mortise locks are trusted in schools, hospitals, government facilities, and commercial office buildings — and replacement parts like the 82-0421 Hub are held to the same exacting standards.
• Simplified Maintenance: Using the correct OEM hub reduces service time and eliminates the risk of premature failure associated with aftermarket or incorrectly matched replacement parts.

Compatible Lock Functions

The Sargent 82-0421 Hub is compatible with the following Sargent 8200 and 7800 Series mortise lock functions: 8204, 8205, 8206, 8213, 8215, 8216, 8217, 8224, 8225, 8226, 8227, 8228, 8229, 8230, 8231, 8235, 8236, 8237, 8238, 8239, 8240, 8241, 8243, 8245, 8246, 8247, 8248, 8249, 8250, 8251, 8252, 8255, 8256, 8259, 8265, 8266, 8267, 8268, 8295, 8296, 8297.

Applications

The 82-0421 Hub is the correct service part for maintaining Sargent 8200 Series mortise locksets installed on interior and exterior commercial doors in healthcare, education, hospitality, government, and multi-tenant commercial buildings. Locksmiths, door hardware distributors, and facility maintenance departments should keep this hub on hand for rapid response to mortise lock service calls involving the Sargent 8200 or 7800 Series product lines.

Parts List Illustration

Technical Details