Sargent 68-4840 Guarded Latchbolt Assembly for 80 Series Exit Devices

The Sargent 68-4840 is a genuine OEM replacement guarded latchbolt assembly designed specifically for the Sargent 80 Series exit device line. Also referenced as the Sargent 68-4840 Latchbolt, this factory-original part ensures a precise, drop-in fit with no modifications required — maintaining the performance, code compliance, and reliability your door hardware demands. When an 80 Series exit device latchbolt wears, sticks, or fails to retract cleanly, replacing it with the correct OEM component restores the device to full factory specification.

Institutional Grade Features & Benefits

• Genuine Sargent OEM Part: Manufactured to the exact tolerances of the original component — not an aftermarket approximation — so your 80 Series exit device operates exactly as engineered.
• Guarded Latchbolt Design: The guarded latchbolt configuration provides added security by incorporating a guard that resists shimming or loiding attempts, making it appropriate for commercial and institutional door applications where security integrity is critical.
• Precise 80 Series Compatibility: Engineered exclusively for confirmed 80 Series exit device models, eliminating guesswork during the ordering and installation process.
• Restores Reliable Latching Function: Replaces a worn or damaged latchbolt to bring the exit device back to smooth, dependable operation — critical for life-safety egress hardware in commercial buildings, schools, hospitals, and institutional facilities.
• Simplified Maintenance & Reduced Downtime: Having the correct OEM latchbolt assembly on hand minimizes door downtime during scheduled maintenance or emergency repair, supporting ongoing facility management and code compliance.
• Direct Replacement — No Modifications: Designed as a direct swap for the original latchbolt, supporting quick installation by qualified door hardware technicians or locksmiths.

Compatible 80 Series Exit Device Models

The Sargent 68-4840 Guarded Latchbolt Assembly is a verified replacement part compatible with the following Sargent 80 Series exit device models (full designations): 8406, 8410, 8413, 8415, 8440, 8443, 8446, 8473, 8474, 8606, 8610, 8613, 8615, 8640, 8643, 8646, 8673, 8674. Always confirm your specific exit device model number before ordering.

Applications

The 68-4840 latchbolt assembly is suited for repair and preventive maintenance of Sargent 80 Series exit devices installed on commercial and institutional interior and exterior doors including:

• Commercial office buildings and corporate campuses
• K–12 schools, colleges, and universities
• Healthcare facilities, hospitals, and clinics
• Government and municipal buildings
• Retail, hospitality, and multi-tenant facilities
• Any application requiring compliant, reliable egress hardware on an 80 Series exit device

Technical Details

Parts List Illustration