Dormakaba 012-509971-KEP Repla...
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Dormakaba 012-509971-KEP Replacement Outside Lever Spring for Commercial Mechanical Locks

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Model: 012-509971-KEP 1 EACH

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

$15.23
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Dormakaba 012-509971-KEP Replacement Outside Lever Spring for Commercial Mechanical Locks

The Dormakaba 012-509971-KEP is a genuine OEM replacement outside lever spring designed for use with compatible Dormakaba commercial mechanical lock assemblies. This single-unit replacement part restores proper lever tension and return function, ensuring continued reliable operation of the door hardware system. Sourced directly from Dormakaba's Parts and Accessories line, this spring component is engineered to match original factory specifications for a precise, dependable fit.

Key Features

  • Genuine OEM Replacement Part: Manufactured by Dormakaba to original factory specifications, ensuring compatibility and reliable performance in supported mechanical lock assemblies.
  • Outside Lever Spring Function: Restores proper spring tension and lever return action to the outside lever assembly, maintaining smooth and consistent door hardware operation.
  • Commercial-Grade Quality: Designed for commercial applications where consistent, long-term hardware performance is required.
  • Single-Unit Packaging: Supplied as 1-Each, allowing for targeted replacement without the need to purchase unnecessary additional components.
  • Rings, Spindles and Springs Category: Classified within Dormakaba's Rings, Spindles and Springs product type, ensuring correct fitment within the supported lock family.
  • Easy Integration: Designed to integrate directly into compatible Dormakaba mechanical lock assemblies as a drop-in replacement for the original spring component.

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: 012-509971-KEP 1 EACH
  • Features: Dormakaba Parts and Accessories

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Government and Municipal Buildings
  • Multi-Tenant Residential Properties
  • Industrial and Warehouse Facilities

Why Dormakaba 012-509971-KEP?

Dormakaba parts and accessories are engineered to the same exacting standards as the original hardware, delivering consistent fit and function for commercial mechanical lock systems. Choosing a genuine Dormakaba replacement spring ensures that lever return performance meets original design intent, minimizing downtime and maintaining the integrity of the overall door hardware assembly. For facilities managers and service professionals, this OEM component provides confidence in every repair.

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:
012-509971-KEP 1 EACH
Features:
DormaKaba Parts and Accessories

Dormakaba 012-509971-KEP 1 EACH – Frequently Asked Questions

1) What does the Dormakaba 012-509971-KEP spring actually do in the lock?
It is the outside lever spring. It supplies the tension that returns the outside lever to horizontal after it is released. When a lever starts drooping or stops springing back cleanly, this is the part that has fatigued, and replacing it restores the return action without touching the rest of the lock assembly.
2) Will the 012-509971-KEP fit any lever lock, or only Dormakaba?
Dormakaba only. It is built to Dormakaba's own lock specification and is sold as a replacement for compatible Dormakaba commercial mechanical lock assemblies. It is not a universal lever spring, so identify the Dormakaba lock family on the door before ordering it for a repair.
3) My lever is loose and wobbling rather than drooping. Is the spring the right part?
Not necessarily. A spring corrects lost return tension, a lever that will not spring back level. Side-to-side wobble or a lever that turns without operating the latch usually points at the spindle or its retaining hardware instead. For that failure mode a spindle-side part such as the Corbin Russwin swivel spindle pin with set screw is the class of part you want on a Corbin Russwin lock; on a Dormakaba lock, identify the spindle or retainer for that lock family rather than replacing the spring.
4) Can a Corbin Russwin swivel spindle pin and set screw be used in place of the Dormakaba 012-509971-KEP outside lever spring?
No. The Dormakaba 012-509971-KEP is an outside lever spring that restores spring tension and lever return action in compatible Dormakaba commercial mechanical lock assemblies. The Corbin Russwin swivel spindle pin with set screw is a spindle retention part, not a spring, and it is specified for 1-3/4 inch doors. If the symptom is a lever that droops or does not return, the spring is the part to replace; a spindle pin and set screw address a spindle that is loose or not staying coupled.
5) Is the 012-509971-KEP a genuine Dormakaba part or an aftermarket spring?
Genuine OEM. The 012-509971-KEP is manufactured by Dormakaba to original factory specification, so it drops into supported Dormakaba mechanical lock assemblies in place of the original spring.
6) How many springs come in an order of 012-509971-KEP?
One. The part is packaged 1 each, so if you are rebuilding levers on several doors you need to order a spring per lever rather than counting on a kit.
7) Do I need a separate spring for the inside lever too?
Yes, if the inside lever has also lost its return. The 012-509971-KEP is specifically the outside lever spring. An inside lever that droops takes the corresponding inside spring for that lock family, which is a different part number.
8) Is this spring suitable for high-traffic commercial doors or is it a residential part?
It is a commercial-grade component, catalogued for commercial mechanical locks and used in offices, schools, healthcare, retail, government buildings, multi-tenant residential and industrial facilities. For a facility standardizing on Dormakaba levers, it is a reasonable MRO shelf item since lever springs are the usual wear point.
9) Does replacing this spring require removing the whole lockset from the door?
The spring is a drop-in replacement for the original spring inside the outside lever assembly, so the repair is confined to that lever assembly rather than a full lock swap. Plan on pulling the outside lever and rose to reach it; the latch, cylinder and door prep are untouched.
How fast can I get the Dormakaba 012-509971-KEP 1 EACH 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 Dormakaba 012-509971-KEP 1 EACH come with a warranty?
Absolutely. The Dormakaba 012-509971-KEP 1 EACH 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 Dormakaba 012-509971-KEP 1 EACH?
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 Dormakaba 012-509971-KEP 1 EACH 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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