Schlage L583-035 Turn Hub Spri...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$20.01
Schlage L583-035 Turn Hub Spring for L Series Mortise Locks

Schlage L583-035 Turn Hub Spring for L Series Mortise Locks

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Model: L583-035

In Stock (leaves warehouse same day if ordered before 3pm ET)

$20.01
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Schlage L583-035 Turn Hub Spring for L Series Mortise Locks

The Schlage L583-035 is a genuine OEM replacement Turn Hub Spring engineered specifically for use with the Schlage L Series mortise lock lineup. Designed as a precision mechanical component, this spring provides the essential return tension that keeps the turn hub operating reliably within the lock chassis. As a commercial-grade replacement part, the L583-035 restores proper function to L Series mortise locks in demanding institutional and commercial environments where consistent performance is critical.

Key Features

  • Genuine Schlage OEM Component: Manufactured to Schlage factory specifications, ensuring direct compatibility and reliable fit within L Series mortise lock assemblies.
  • L Series Compatibility: Designed exclusively for use with the Schlage L Series mortise lock family, providing a precise drop-in replacement without modification.
  • Mechanical Spring Function: Delivers the return tension required for proper turn hub operation, restoring smooth and consistent lock performance.
  • Commercial-Grade Construction: Built to the standards of Schlage's commercial hardware line, supporting dependable performance in high-use institutional applications.
  • Replacement Part Convenience: Enables targeted repair of an existing L Series mortise lock without full lock replacement, reducing downtime and maintenance costs.
  • Rings, Spindles and Springs Category: Classified as a precision mechanical component within the lock chassis assembly, integral to proper lock cycle operation.

Technical Specifications

  • Department: Door Hardware
  • Product Category: Mechanical Locks
  • Product Group: Parts and Accessories
  • Subcategory: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: Rings, Spindles and Springs
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: L583-035
  • Features: Schlage Parts

Typical Applications

  • Commercial Office Buildings with Schlage L Series Mortise Lock Installations
  • Educational Facilities Requiring Mortise Lock Maintenance and Repair
  • Healthcare Institutions Servicing Existing L Series Hardware
  • Government and Municipal Buildings with L Series Lock Deployments
  • Multi-Tenant Residential Properties with Commercial-Grade Mortise Locks
  • Hospitality Facilities Maintaining Schlage L Series Door Hardware
  • Industrial and Institutional Facilities Performing Preventive Lock Maintenance

Why Schlage L583?

Schlage L Series components are engineered to exacting commercial standards, and the L583-035 Turn Hub Spring reflects that same commitment to precision and reliability. Using a genuine Schlage replacement part ensures the restored lock assembly performs to its original specification, maintaining the integrity and security of the installed hardware. For facility managers and locksmiths servicing L Series mortise locks, this OEM component delivers the dependable fit and function that commercial applications demand.

Manufacturer Resources

Product Specs

Department:
Door Hardware
Product Category:
Mechanical Locks
Product Group:
Parts and Accessories
Subcategory:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Rings, Spindles and Springs
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
L583-035
Features:
Schlage Parts

Schlage L583-035 – Frequently Asked Questions

1) What does the Schlage L583-035 turn hub spring actually do inside an L Series mortise lock?
The L583-035 is the return spring for the turn hub, the part of a Schlage L Series mortise lock body that the thumbturn drives. It supplies the return tension that brings the hub back to rest after each throw, so the thumbturn stops feeling loose, sluggish, or slow to return. When a lock chassis is otherwise sound but the turn side no longer snaps back, this spring is the piece that gets replaced.
2) Do I have to replace the whole mortise lock, or can I just change the turn hub spring?
A failed turn hub spring is a repair, not a lock replacement. The L583-035 is a genuine Schlage OEM replacement that lets a locksmith open the lock body, swap the spring, and put the same chassis back in the door. For a facility running L Series across many openings that keeps the existing prep, existing cylinder, and existing trim in place, which is usually the difference between an hour of maintenance and a full door hardware change.
3) I need a spindle part for a mortise lock, not a spring. Is the L583-035 the right item?
No. The L583-035 is the turn hub return spring, the tensioning piece, not a spindle or a spindle retainer. If what failed is the spindle connection between the thumbturn or lever and the lock hub, look instead at a spindle part such as the Corbin Russwin Swivel Spindle Pin x Set Screw, which is a spindle-side component for doors up to 1-3/4 inches thick. The two parts sit in the same lock but do different jobs, and one will not stand in for the other.
4) Should I order genuine Schlage L583 springs or a generic replacement spring for L Series locks?
Spring rate is what decides whether the turn hub returns correctly, so a spring that merely fits the cavity can still leave the thumbturn dragging or failing to recentre. The L583-035 is manufactured to Schlage factory specification for the L Series, which is what keeps the repaired lock operating to its original function. For institutional maintenance stock where the same lock is repeated across dozens of openings, the OEM part is the one that keeps every opening behaving the same way.
5) Is the Schlage L583-035 a commercial part or a residential one?
Commercial. The L583-035 comes out of Schlage's commercial mortise lock line and is catalogued as a commercial replacement part, which is the grade of hardware found in offices, schools, healthcare facilities, and multi-tenant residential buildings running L Series mortise locks. Residential tubular and cylindrical locks do not use it.
How fast can I get the Schlage L583-035 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Schlage L583-035 come with a warranty?
Absolutely. The Schlage L583-035 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Schlage L583-035?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Schlage L583-035 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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