Schlage Commercial L583035 Turn Hub Spring L Series

Product Description

The SCHLAGE COMMERCIAL L583035 is a turn hub spring designed for use in L Series locksets. This small but essential component provides the return tension that allows the turn hub mechanism to reset after actuation, maintaining proper door hardware function. It is a direct service part intended for installation or replacement by a qualified locksmith or commercial door hardware technician. Dimensions are 3.15 inches in length, 0.5 inches in width, and 0.2 inches in height, making it a compact internal component suited for precise mechanical assembly work.

The L583035 turn hub spring is used in commercial and institutional door hardware applications where L Series mortise locksets are installed. These locksets are common in office buildings, schools, hospitals, and other facilities requiring heavy-duty, code-compliant locking hardware. This spring is typically needed during lockset servicing, rebuild, or repair when the original spring has lost tension or failed.

Key Features

• OEM-style replacement spring for L Series turn hub assemblies
• Compact profile at 3.15 inches long, 0.5 inches wide, and 0.2 inches high
• Restores proper turn hub return action in mortise lockset mechanisms
• Sold individually, one spring per unit

Compatibility

Designed as an OEM-style replacement spring for SCHLAGE COMMERCIAL L Series mortise locksets requiring turn hub spring service or repair.

Installation Notes

Installation should be performed by a licensed locksmith or qualified door hardware technician familiar with commercial mortise lockset disassembly. Remove the lockset from the door and fully disassemble the turn hub assembly before replacing the spring. Follow the lockset manufacturer service documentation for correct spring orientation and seating. Reinstall and cycle the mechanism several times to confirm proper return action before returning the door to service.