Corbin Russwin 606K77 7-Pin In...
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Corbin Russwin 606K77 7-Pin Individual X Class Cylinder Plug for 2-1/2" Mortise with 67A1 Keyway, Satin Brass

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Model: 606K77 67A1 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 Individual X Class Cylinder Plug for 2-1/2" Mortise with 67A1 Keyway

The Corbin Russwin 606K77 is a 7-Pin Individual X Class cylinder plug engineered specifically for 2-1/2" mortise applications. Featuring the 67A1 keyway and finished in Satin Brass, this precision-manufactured replacement plug is designed to maintain the performance and security integrity of compatible Corbin Russwin mortise cylinder assemblies. Intended for commercial-grade mechanical lock systems, this cylinder part delivers a reliable, field-ready solution for lock servicing and rekeying operations.

Key Features

  • 7-Pin X Class Configuration: Individual X Class plug design provides enhanced key control and security for commercial mortise cylinder applications.
  • Mortise Compatibility: Engineered specifically for 2-1/2" mortise cylinder housings, ensuring precise fit and reliable operation.
  • 67A1 Keyway: Purpose-matched 67A1 keyway provides consistent key engagement and compatibility within the Corbin Russwin keying system.
  • Satin Brass Finish: Satin Brass finish coordinates with complementary commercial door hardware for a cohesive aesthetic in professional installations.
  • Commercial-Grade Quality: Manufactured to Corbin Russwin standards for commercial mechanical lock systems, ensuring dependable performance in demanding environments.
  • Genuine OEM Replacement Part: Authentic Corbin Russwin cylinder component designed to restore original factory performance when servicing or rekeying mortise locks.

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 67A1
  • Features: Corbin Russwin Cylinder Parts

Typical Applications

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

Why Corbin Russwin 606K77?

Corbin Russwin cylinder parts are manufactured to exacting commercial-grade standards, ensuring that replacement components like the 606K77 plug integrate seamlessly with existing mortise lock assemblies. The 7-Pin X Class design reflects Corbin Russwin's commitment to security and key control in high-demand commercial environments where consistent, reliable performance is non-negotiable.

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 67A1
Features:
Corbin Russwin Cylinder Parts

Corbin Russwin 606K77 67A1 626 – Frequently Asked Questions

1) Will the 606K77 plug work in a 1-1/8 inch or 1-1/4 inch mortise cylinder?
No. This plug is built for 2-1/2 inch mortise cylinder housings. Shorter mortise cylinders use a correspondingly shorter plug, so a 606K77 will not seat correctly in them.
2) What keyway does the Corbin Russwin 606K77 plug use, and can I key it to my existing system?
The plug is cut for the Corbin Russwin 67A1 keyway. It will accept keys and pinning within that keyway family, so it works if your building's Corbin Russwin system is already on 67A1. If your masterkey system runs a different Corbin Russwin keyway, order the plug in that keyway instead, because the keyway is machined into the plug and cannot be changed.
3) If I need a complete 2-1/2 inch mortise cylinder rather than just the plug, what should I order instead of the Corbin Russwin 606K77?
The 606K77 is a replacement plug for an existing Corbin Russwin mortise cylinder housing, not a whole cylinder. If the housing itself is gone or damaged you need a complete mortise cylinder: the Detex MC65 is a mortise cylinder with a Schlage C keyway in a 1-1/8 inch diameter, 6-pin, and the Adams Rite 4036 is a Grade 1 five-pin mortise cylinder. Note that neither uses the Corbin Russwin 67A1 keyway, so keys will not interchange with an existing 67A1 system.
4) Is a BEST interchangeable core an equivalent to the Corbin Russwin 606K77 plug?
No. The 606K77 is a 7-pin X Class plug that fits inside a Corbin Russwin 2-1/2 inch mortise cylinder shell. BEST interchangeable cores such as the 1CB 150 Series core, the 1C 5-pin standard core, or the 1CDF drill resistant patented 7-pin brass 150 Series core are removable cores designed for BEST small-format core housings. They are pulled with a control key rather than serviced as a plug, so they are a different service approach, not a drop-in for the 606K77.
5) My opening uses a rim device, not a mortise lock. What takes the place of the Corbin Russwin 606K77 there?
The 606K77 plug only serves 2-1/2 inch mortise cylinder bodies. Rim applications take a rim cylinder: Schlage Commercial 20-021 is a 6-pin rim cylinder with a vertical tailpiece cam, 20-022 is the same 6-pin rim cylinder with a horizontal tailpiece cam, and 20-057 is a 6-pin FSIC rim cylinder with a convertible tailpiece cam. Choose the cam orientation the exit device requires.
6) Why choose a 7-pin X Class plug over a standard 6-pin?
Key control. The 7-pin Individual X Class configuration gives a larger, restricted key population for commercial masterkey systems, which is the point on schools, hospitals, and multi-tenant buildings where unauthorized key duplication is the real risk. A 6-pin plug is fine for a standalone opening but will not integrate into a 7-pin X Class system.
7) Do I need a locksmith to install the 606K77 plug, or is it a drop-in?
It's a service part, not a consumer swap. Fitting the plug means pulling the mortise cylinder, disassembling the housing, and pinning the new plug to your key bitting. It ships as a replacement component for commercial mechanical lock service, without pins or keys specified, so plan on a locksmith or an in-house maintenance tech with pinning kits.
8) I need a whole mortise cylinder, not a plug. What else do you carry?
For a complete mortise cylinder, look at the Adams Rite 4036 five-pin mortise cylinder, a Grade 1 unit listed for doors 1/2 inch minimum thickness, or the Detex MC65 1-1/8 inch 6-pin mortise cylinder in the Schlage C keyway. Neither is Corbin Russwin and neither runs the 67A1 keyway, so they suit a standalone opening rather than an existing Corbin Russwin masterkey system.
9) Can I use the 606K77 plug in a rim cylinder or a key-in-knob cylinder?
No. It is machined for a 2-1/2 inch mortise housing only. For a rim application, the Schlage 20-021 (vertical tailpiece cam) and 20-022 (horizontal tailpiece cam) are 6-pin rim cylinders, and for key-in-knob or lever bodies, the Kaba Ilco 1539 universal cylinder covers that side.
10) If I'm standardizing a facility on interchangeable cores instead, is this the right direction?
No. The 606K77 is a conventional plug for a fixed Corbin Russwin mortise cylinder, so every rekey means pulling and repinning the cylinder. If your goal is core swaps by maintenance staff, go to an interchangeable core platform instead, such as the BEST 1CB 150 Series interchangeable core or the 1CDF drill-resistant patented 7-pin core.
11) Can I use the Corbin Russwin 606K77 to rekey a key-in-lever or key-in-knob lockset?
No. The 606K77 is a mortise cylinder plug. Key-in-lever and key-in-knob bodies take their own cylinder format: the Falcon A23161-05 G is a key-in-lever cylinder in the RU/T Series with a 6-pin G keyway supplied keyed different with two cut keys, and the Kaba Ilco 1539 Series is a universal key-in-knob/lever cylinder. For a key-in-knob replacement the Kaba Ilco 1599 is the corresponding part.
12) I am servicing a deadbolt, not a mortise lock. What is the right cylinder instead of the 606K77?
The 606K77 plug is intended for 2-1/2 inch mortise cylinder assemblies. For deadbolt service, Kaba Ilco lists the 1549 Series key-in-deadbolt cylinder and the 1579 knob and lever cylinder for Sargent, both with a deadbolt product function. Medeco options include the 1012040 6-pin lazy motion rim cylinder for Kwikset single cylinder deadbolts and the 1075127 5-pin rim type lazy motion single cylinder for handlesets and deadbolts.
13) What is the difference between the Corbin Russwin 606K77 and a dummy cylinder like the BEST 12E?
The 606K77 is a working 7-pin X Class plug that carries the pinning and operates the lock when keyed. The BEST 12E Series dummy rim cylinder with a 1-5/32 inch diameter is a non-operating filler used where a cylinder appearance is needed without key function. Use the 606K77 where the opening must actually be keyed.
14) Will the Corbin Russwin 606K77 work with an Adams Rite MS1847 cylinder pull?
No. The Adams Rite cylinder pulls are built around their own deadlock systems: the 4024 mounts with a trim plate and the 4025 uses through-screws, both for the MS1847 deadlock/deadlatch, and the 4026 five pin tumbler pull is for the 5017 wood door deadlock/deadlatch. The 606K77 is a plug for Corbin Russwin 2-1/2 inch mortise cylinder bodies and is not a component of those pull assemblies.
15) I want a simpler 5-pin cylinder instead of the 7-pin Corbin Russwin 606K77. What are my options?
The 606K77 uses a 7-pin X Class configuration for higher key control. If the opening does not require that, 5-pin alternatives in the same family of parts include the Adams Rite 4036 Grade 1 five-pin mortise cylinder and the BEST 1C Series standard 5-pin cylinder core. Both change the keyway as well as the pin count, so they suit a new keying scheme rather than service on an existing 67A1 system.
16) What finishes does the Corbin Russwin 606K77 7-pin plug come in?
Two: 606 Satin Brass and 626 Satin Chrome. Only the plug face shows once the cylinder is assembled, so pick the one that matches the cylinder ring and trim already on the door.
17) Does the Corbin Russwin 606K77 come in a finish that matches satin chrome hardware, or do I need a different cylinder?
No need to switch products. The 606K77 7-pin mortise plug is offered in 606 Satin Brass and 626 Satin Chrome, so it can be matched to either trim family on the same opening.
How fast can I get the Corbin Russwin 606K77 67A1 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 67A1 626 come with a warranty?
Absolutely. The Corbin Russwin 606K77 67A1 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 67A1 626?
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
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