Corbin Russwin 606K77 7-Pin X ...
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Corbin Russwin 606K77 7-Pin X Class Cylinder Plug for 2-1/2" Mortise with 67A2 Keyway, Satin Brass

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Model: 606K77 67A2 626

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

$94.00
$81.02
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Corbin Russwin 606K77 7-Pin X Class Cylinder Plug for 2-1/2" Mortise with 67A2 Keyway, Satin Brass

The Corbin Russwin 606K77 is a 7-Pin Individual X Class Cylinder Plug engineered specifically for 2-1/2" mortise cylinder applications. Featuring the 67A2 keyway and a Satin Brass finish, this commercial-grade replacement plug is designed to integrate seamlessly with compatible Corbin Russwin mortise cylinder assemblies. Ideal for facilities requiring precise key control and reliable cylinder performance in demanding commercial environments.

Key Features

  • Cylinder Fit: Designed specifically for 2-1/2" mortise cylinder applications, ensuring a precise and secure fit within compatible Corbin Russwin hardware.
  • 7-Pin X Class Configuration: Individual X Class plug with a 7-pin layout, providing enhanced key control and security for commercial locking applications.
  • 67A2 Keyway: Features the 67A2 keyway for compatibility with Corbin Russwin key systems, supporting controlled access management.
  • Satin Brass Finish: Finished in Satin Brass to complement a wide range of commercial door hardware aesthetics and environments.
  • Commercial-Grade Replacement Part: Classified as a replacement cylinder part, purpose-built for use with compatible Corbin Russwin mortise cylinder assemblies.
  • Corbin Russwin Cylinder Parts: Manufactured as an authentic Corbin Russwin cylinder component, supporting consistent performance and compatibility within existing Corbin Russwin lock systems.

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: Cylinders
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: 606K77 67A2
  • Features: Corbin Russwin Cylinder Parts

Typical Applications

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

Why Corbin Russwin 606K77?

Corbin Russwin cylinder components are engineered to exacting commercial standards, delivering reliable performance in high-demand access control environments. The 606K77 X Class plug maintains the precision tolerances and keyway integrity that security professionals depend on when servicing or upgrading Corbin Russwin mortise cylinder assemblies. Purpose-built for commercial applications, this replacement part supports long-term system reliability and consistent key control management.

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:
Cylinders
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
606K77 67A2
Features:
Corbin Russwin Cylinder Parts

Corbin Russwin 606K77 67A2 626 – Frequently Asked Questions

1) What keyway does the Corbin Russwin 606K77 plug use, and will it work on my existing keys?
The plug is cut for the Corbin Russwin 67A2 keyway. It will accept keys in a 67A2 system only, so it keys into an existing Corbin Russwin 67A2 masterkey system but not into another keyway family. Pinning to your key bitting is done when the plug is built into the cylinder.
2) I need a complete mortise cylinder, not just the plug. What should I order instead of the Corbin Russwin 606K77?
The Corbin Russwin 606K77 is a replacement cylinder plug for 2-1/2 inch Corbin Russwin mortise cylinders, so it only helps if you already have the cylinder shell and housing in the door. If the opening needs a whole mortise cylinder, the Adams Rite 4036 is a Grade 1 mortise cylinder with five-pin security from the 4036 series, and the Detex MC65 is a 1-1/8 inch six-pin mortise cylinder cut to the Schlage C keyway. Both are complete cylinders rather than internal parts.
3) Is there a 7-pin interchangeable core option instead of a keyed plug like the 606K77?
The Corbin Russwin 606K77 is an individual X Class plug in the 67A2 keyway, so rekeying means working the plug itself. If you would rather swap a core by hand, the BEST 1CDF is a drill resistant patented interchangeable core with seven pins in a brass 150 series body. The BEST 1CB Peaks 150 series core is another interchangeable core in that same family, and the BEST 1C5 is a standard five-pin core. Interchangeable cores use BEST housings and keyways, not the Corbin Russwin 67A2 system.
4) My cylinder is in a key-in-lever or deadbolt, not a mortise prep. What replaces it?
The Corbin Russwin 606K77 plug serves 2-1/2 inch mortise cylinders only. For key-in-knob and key-in-lever bodies, the Kaba Ilco 1539 is a universal key-in-knob/lever cylinder and the 1579 is a knob and lever cylinder made for Sargent locks. For deadbolt housings, the Kaba Ilco 1549 is a key-in-deadbolt cylinder and the 1599 is a key-in-knob replacement cylinder. The Falcon A23161-05 G is a key-in-lever cylinder in the RU/T series six-pin G keyway, keyed different with two cut keys.
5) What finishes is the 606K77 cylinder plug available in?
Two: 606 Satin Brass and 626 Satin Chrome. Pick the one that matches the cylinder housing and the rest of the trim on the opening, since the plug face is visible at the keyway.
6) What does 7-pin X Class mean for key control on a school or hospital keying system?
X Class is a Corbin Russwin restricted keyway class, and the 7-pin chamber count gives more possible combinations than a standard 6-pin plug, which is what lets a facility keep a large master key system separated and controlled. That is why it shows up in commercial office, education, healthcare, government and multi-tenant residential keying programs.
7) I need a whole replacement mortise cylinder, not a plug. What else could I use?
Look at a complete mortise cylinder instead. The Adams Rite 4036 is a Grade 1 five-pin mortise cylinder, and the Detex MC65 is a 1-1/8 inch six-pin mortise cylinder in the Schlage C keyway. Neither uses the Corbin Russwin 67A2 keyway, so they suit a new or separate keying group rather than an existing 67A2 system.
8) Can I use the 606K77 to rekey an exit device rim cylinder?
No. It is a plug for a 2-1/2 inch mortise cylinder body. For rim applications on exit devices, a rim cylinder is the correct part, for example the Schlage 20-021 six-pin rim cylinder with a vertical tailpiece cam or the 20-022 with a horizontal cam, chosen to match the device's cam orientation.
9) If I want cores I can swap without disassembling the cylinder, what should I look at instead of this plug?
An interchangeable core system is the alternative. A plug like the 606K77 has to be installed into the cylinder body by a locksmith, whereas interchangeable cores pull with a control key. The BEST 1CB 150 Series core and the BEST 1CDF drill-resistant 7-pin brass core are interchangeable-core options, and the Schlage 20-057 is a six-pin full-size interchangeable core cylinder with a convertible tailpiece cam.
10) What looks like a substitute for the 606K77 but will not work in a mortise cylinder?
Rim cylinders are the common mix-up. The Schlage 20-021 and 20-022 are six-pin rim cylinders with vertical and horizontal tailpiece cams respectively, and the Schlage 20-057 is a six-pin FSIC rim cylinder with a convertible tailpiece cam. Rim cylinders mount through the door face and drive a tailpiece, so none of them fit the 2-1/2 inch threaded mortise cylinder the Corbin Russwin 606K77 plug is built for. The BEST 12E dummy rim cylinder at 1-5/32 inch diameter is also a rim-format part and carries no working pins.
11) Will the 606K77 plug work in an aluminum storefront deadlock?
No. The Corbin Russwin 606K77 is an internal plug for Corbin Russwin 2-1/2 inch mortise cylinders keyed to 67A2. Storefront deadlock hardware is ordered by the lock it serves: the Adams Rite 4024 cylinder pull with trim plate mounting and the 4025 five pin tumbler cylinder pull with through-screws are both built for the Adams Rite MS1847 deadlock/deadlatch, and the 4026 five pin tumbler cylinder pull is for the Adams Rite 5017 wood door deadlock/deadlatch.
12) For a residential handleset or deadbolt retrofit, is the Corbin Russwin 606K77 the right part?
The Corbin Russwin 606K77 is a commercial replacement plug for Corbin Russwin mortise cylinders and is offered in 606 Satin Brass and 626 Satin Chrome. Residential handleset and deadbolt retrofits call for a rim-type cylinder with the correct tailpiece instead: the Medeco 1012040 is a six-pin lazy motion rim cylinder for Kwikset single cylinder deadbolts, the 1065244 is a five-pin lazy motion rim cylinder with an Emtek tailpiece, the 1075127 is a five-pin rim type lazy motion single cylinder for handlesets and deadbolts, and the 1065140 is a five-pin retrofit cylinder for the Arrow JL interconnected lock and Emtek handleset and deadbolt outside cylinder. Emtek also lists the CY4 cylinder as a parts item.
13) If I want a keyed core I can pull and replace without disassembling the cylinder, what is the alternative to the 606K77?
Servicing the Corbin Russwin 606K77 means handling the plug inside the 2-1/2 inch mortise cylinder, since it is an individual X Class plug rather than a removable core. A full size interchangeable core format lets maintenance staff swap the keyed element in seconds: the Schlage 20-057-C is a full size interchangeable core cylinder in the C keyway, finished 643E Aged Bronze, and the Schlage 20-057 is the six-pin FSIC version with a convertible tailpiece cam. Those run on the Schlage C keyway rather than Corbin Russwin 67A2.
14) Is this a genuine Corbin Russwin part or an aftermarket copy?
It is an authentic Corbin Russwin cylinder component, which matters on X Class because the keyway and plug tolerances have to match the rest of the system for the key control program to hold.
How fast can I get the Corbin Russwin 606K77 67A2 626 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 606K77 67A2 626 come with a warranty?
Absolutely. The Corbin Russwin 606K77 67A2 626 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 606K77 67A2 626?
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