Sargent 77-0086 Inside Knob Shank – Genuine OEM Replacement Part for Sargent 80 Series Exit Devices

The Sargent 77-0086 is a genuine OEM inside knob shank engineered as a direct replacement component for the Sargent 80 Series exit device. Sourced directly from Sargent, this replacement part ensures precise fit, proper function, and long-term reliability — restoring your exit device to factory specification without the guesswork of aftermarket alternatives. Whether you are performing routine maintenance or addressing wear on a high-traffic door, the 77-0086 delivers the exact part your 80 Series hardware requires.

Institutional Grade Features & Benefits

• Genuine OEM Component: Manufactured by Sargent to original factory tolerances, ensuring a drop-in fit with no modification required on compatible 80 Series exit devices.
• Restores Proper Inside Operation: The inside knob shank is a critical interface component; replacing a worn or damaged shank returns the inside knob to smooth, reliable operation.
• Purpose-Built Compatibility: Designed exclusively for the Sargent 80 Series exit device platform, eliminating compatibility uncertainty during repair or maintenance.
• Minimizes Downtime: Using the correct OEM part reduces installation time and the risk of callbacks, keeping commercial and institutional exit hardware performing to code requirements.
• Supports Long-Term Hardware Investment: Extending the service life of an installed Sargent 80 Series exit device through genuine part replacement is more cost-effective than full device replacement.

Technical Details