Corbin Russwin 121F01-2 Grade ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$12.18

Corbin Russwin 121F01-2 Grade 1 Master Ring Mortise Cylinder Cam-A63

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Model: 121F01-2

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

$12.18
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Corbin Russwin 121F01-2 Master Ring Mortise Cylinder Cam-A63 Replacement Accessory

Commercial-Grade Mortise Cylinder Part for Professional Door Hardware Applications

The Corbin Russwin 121F01-2 Master Ring Mortise Cylinder Cam-A63 is a precision-engineered cylinder part and accessory designed for use with compatible mortise cylinders in commercial and institutional door hardware applications. Manufactured by Corbin Russwin, a recognized name in high-quality commercial-grade hardware, this component is built to the exacting standards associated with ANSI/BHMA Grade 1 hardware systems. Intended for professional installation, this part integrates seamlessly with Corbin Russwin mortise cylinder assemblies to maintain reliable, long-term performance in demanding environments.

Professional Features & Benefits

  • Cylinder Compatibility: Specifically designed for use with Corbin Russwin mortise cylinders, ensuring precise fit and reliable function within compatible cylinder assemblies.
  • Commercial-Grade Construction: Engineered to meet the performance demands of commercial and institutional facilities, consistent with Corbin Russwin's ANSI/BHMA Grade 1 hardware standards.
  • Cam-A63 Configuration: Features the Cam-A63 designation, identifying the specific cam profile for proper integration with compatible mortise cylinder applications.
  • Master Ring Design: Incorporates a master ring configuration to support keying system flexibility within Corbin Russwin cylinder installations.
  • Parts and Accessories Classification: Categorized as a cylinder part and accessory, this component is intended to support maintenance, replacement, or configuration of existing Corbin Russwin mortise cylinder hardware.
  • Professional Door Hardware Application: Designed for the door hardware sector, supporting commercial and institutional facilities that rely on Corbin Russwin mortise lock and cylinder systems.

Technical Specifications

  • Product Group: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: Cylinder Part/Accessories
  • Commercial/Residential: Commercial
  • Subcategory: Parts and Accessories
  • For Use With: Cylinder
  • Product Function: Cylinder
  • Cylinder Classification: Mortise
  • Department: Door Hardware

Professional Applications

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

Why Choose Corbin Russwin Quality?

Corbin Russwin door hardware products are engineered to deliver professional-grade reliability for commercial and institutional facilities, consistent with ANSI/BHMA Grade 1 performance standards. The 121F01-2 Master Ring Mortise Cylinder Cam-A63 reflects Corbin Russwin's commitment to precision manufacturing and long-term dependability in demanding commercial environments. For complete specifications and compatibility details, consult the Corbin Russwin Key Systems Catalog or contact your authorized Corbin Russwin distributor.

Product Specs

Product Group:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Cylinder Part/Accessories
Commercial/Residential:
Commercial
Subcategory:
Parts and Accessories
For Use With:
Cylinder
Product Function:
Cylinder
Cylinder Classification:
Mortise
Department:
Door Hardware

Corbin Russwin 121F01-2 – Frequently Asked Questions

1) What is the Corbin Russwin 121F01-2 cylinder actually used for?
The 121F01-2 is a master ring mortise cylinder from Corbin Russwin with an A63 cam. It threads into a mortise lock body and turns the lock's hub through that cam. The master ring construction gives you a second shear line, so the same cylinder can accept an individual change key and a master key without losing the keyed-alike relationships around the rest of the building. It is a commercial-grade item, not a residential one.
2) Why does the cam matter when ordering a mortise cylinder, and what does A63 mean?
The cam is the tailpiece on the back of the cylinder that drives the lock, and it has to match the lock body you are threading into. Get the cam wrong and the cylinder will screw in fine but the lock will not retract. The 121F01-2 ships with the A63 cam profile, which is the one Corbin Russwin specifies for its own mortise lock applications. If the opening uses a different manufacturer's mortise lock, confirm that lock's required cam before you order.
3) Does a master ring cylinder let me key it into the master key system I already have on my building?
That is what the master ring design is for. It supports master keying flexibility within Corbin Russwin cylinder installations, so a property manager standardizing on Corbin Russwin can bring an opening into an existing change key and master key hierarchy. To do that, the cylinder has to be keyed to your specific keyway and key system, so bring your system records or your key system code to whoever is ordering.
4) Will this Corbin Russwin cylinder drop into a competitor's mortise lock?
Treat it as Corbin Russwin only. The 121F01-2 is specified for use with Corbin Russwin mortise cylinders and lock assemblies. Mortise cylinder threads are a common standard across brands, but the cam profile and the keyway are not, so a cylinder that threads in can still fail to operate another maker's lock. If your lock bodies are another brand, match the cylinder to that brand's cam.
5) Master ring versus a standard mortise cylinder: which one do I need?
A standard mortise cylinder has one shear line and works on one key level. A master ring cylinder, like the 121F01-2, adds a ring inside the plug to create a second shear line, so one cylinder operates on both a change key and a master key. If the door only ever needs a single key, a standard cylinder is simpler and there is nothing to gain here. If maintenance or security has to get into that door with a master, the master ring is what does it.
6) Is this the right cylinder for a school, hospital, or office building master key system?
Yes, it is built for exactly that. The 121F01-2 is a commercial item intended for offices, schools, healthcare, retail, industrial buildings, multi-tenant residential, and government facilities, where a master ring cylinder lets maintenance carry one key while tenants and departments keep their own. For full keying details on a facility-wide system, the Corbin Russwin Key Systems Catalog is the reference.
7) Is the 121F01-2 a complete cylinder or just a replacement cam?
It is the master ring mortise cylinder itself, supplied with the A63 cam. The item exists as a maintenance and replacement part for Corbin Russwin mortise lock hardware, so it is the piece you swap when you are rekeying an opening or bringing a door into a master system rather than replacing the whole lock case.
8) What do I need to specify besides the model number when I order this cylinder?
The model and the A63 cam are fixed, so the decisions left to you are the keyway and how the cylinder is keyed: keyed alike, keyed different, construction keyed, or keyed into an existing master or grand master level. Finish is the other one. Corbin Russwin publishes its keyway and key system options in the Key Systems Catalog, and that is the document to work from if you are matching an existing system rather than starting fresh.
How fast can I get the Corbin Russwin 121F01-2 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 Corbin Russwin 121F01-2 come with a warranty?
Absolutely. The Corbin Russwin 121F01-2 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 Corbin Russwin 121F01-2?
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 Corbin Russwin 121F01-2 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.