Corbin Russwin 606K76 7-Pin In...
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Corbin Russwin 606K76 7-Pin Individual X Class Cylinder Plug for 2-1/4" Mortise with 77B2 Keyway, Satin Brass

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Model: 606K76 77B2 626

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

$94.00
$81.02
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Corbin Russwin 606K76 7-Pin Individual X Class Cylinder Plug for 2-1/4" Mortise with 77B2 Keyway, Satin Brass

The Corbin Russwin 606K76 is a 7-Pin Individual X Class replacement cylinder plug engineered for use with 2-1/4" mortise cylinders and featuring the 77B2 keyway. Finished in Satin Brass, this commercial-grade cylinder part is purpose-built as a Corbin Russwin cylinder component, ensuring precise fit and reliable performance in demanding institutional and commercial applications. Designed specifically for compatibility within the Corbin Russwin cylinder system, this plug delivers the exacting tolerances required for professional-grade keying operations.

Key Features

  • 7-Pin Configuration: Individual X Class 7-pin plug design provides enhanced key control and security for commercial mortise cylinder applications.
  • Mortise Cylinder Compatibility: Engineered specifically for 2-1/4" mortise cylinders, ensuring precise dimensional fit and reliable operation.
  • 77B2 Keyway: Factory-specified 77B2 keyway ensures compatibility with corresponding Corbin Russwin key blanks and master key systems.
  • Satin Brass Finish: Satin Brass finish provides a professional appearance consistent with coordinated commercial door hardware installations.
  • Genuine Corbin Russwin Cylinder Part: Manufactured as an authentic Corbin Russwin cylinder component, ensuring OEM-level fit, function, and interchangeability within the Corbin Russwin system.
  • Commercial-Grade Construction: Built to the performance standards expected in high-traffic commercial environments including offices, institutions, and multi-tenant facilities.
  • Replacement Part Application: Ideal for rekeying, cylinder servicing, or restoring existing Corbin Russwin mortise cylinder hardware without full cylinder replacement.

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: 606K76 77B2
  • Features: Corbin Russwin Cylinder Parts

Typical Applications

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

Why Corbin Russwin 606K76?

Corbin Russwin cylinder parts are manufactured to exacting OEM specifications, ensuring seamless integration with existing Corbin Russwin mortise cylinder hardware. The 606K76 Individual X Class plug delivers the precision tolerances and keyway accuracy that locksmiths and facility managers depend on for reliable rekeying and cylinder servicing in commercial environments. Choosing genuine Corbin Russwin replacement parts maintains the integrity and performance of your installed cylinder system.

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:
606K76 77B2
Features:
Corbin Russwin Cylinder Parts

Corbin Russwin 606K76 77B2 626 – Frequently Asked Questions

1) What exactly is the Corbin Russwin 606K76 77B2 part, a complete cylinder or just the plug?
It is the plug only, not a finished cylinder. The 606K76 is a 7-pin Individual X Class replacement cylinder plug made to go into a 2-1/4 inch Corbin Russwin mortise cylinder shell, cut for the 77B2 keyway. If you need a whole mortise cylinder with shell, cam and keys, this is not it. Buy this when you are servicing or rekeying an existing Corbin Russwin mortise cylinder rather than replacing the cylinder outright.
2) Will a 606K76 plug work in my Corbin Russwin mortise cylinder if my keyway is not 77B2?
No. The plug is broached for the 77B2 keyway, so it only accepts 77B2 key blanks and only belongs in a keying system built on that keyway. Dropping it into a system on a different Corbin Russwin section means your existing keys will not enter. Match the keyway section to the one already on the door before ordering.
3) Is a mortise cylinder plug the same thing as a rim cylinder or an interchangeable core?
No, and they are not interchangeable. The 606K76 is a plug for a threaded 2-1/4 inch mortise cylinder body. A rim cylinder, like the Schlage 20-021 with a vertical tailpiece cam or the 20-022 with a horizontal cam, mounts through the door and drives an exit device. An interchangeable core, such as the BEST 1CDF 7-pin drill-resistant core, pulls out with a control key and needs an IC-prepped housing. Identify which of the three your hardware takes before ordering.
4) If I need a complete mortise cylinder rather than just a replacement plug, what should I order instead of the Corbin Russwin 606K76?
The Corbin Russwin 606K76 is a 7-pin Individual X Class cylinder plug intended for rekeying or servicing an existing 2-1/4 inch Corbin Russwin mortise cylinder, not a whole cylinder body. When the opening needs a full mortise cylinder assembly, the Detex MC65 is a 1-1/8 inch 6-pin mortise cylinder in the Schlage C keyway, and the Adams Rite 4036 is a Grade 1 five-pin mortise cylinder in the 4036 Series. Both are complete cylinders, so they come with their own keyway and will not key into a Corbin Russwin 77B2 system the way the 606K76 plug does.
5) Is a BEST interchangeable core the same thing as the Corbin Russwin 606K76 plug?
No. The 606K76 is a 7-pin Individual X Class plug that goes inside an existing 2-1/4 inch Corbin Russwin mortise cylinder shell. A BEST 1CDF is a drill-resistant patented interchangeable core with 7 pins in the 150 Series, and the BEST 1C5 is a standard 5-pin cylinder core; those cores drop into BEST-style figure-eight housings and are removed with a control key. The Schlage 20-057-C is likewise a full size interchangeable core in the C keyway. If the housing on the door is a Corbin Russwin mortise shell, an interchangeable core is not a substitute for the 606K76 plug.
6) What do I use if the device on the door takes a rim cylinder instead of a mortise cylinder?
The Corbin Russwin 606K76 plug is built for 2-1/4 inch mortise cylinders, so it will not serve a rim-prepped exit device. For rim applications, the Schlage 20-021 is a 6-pin rim cylinder with a vertical tailpiece cam and two keys, and the 20-022 is the same 6-pin rim cylinder with a horizontal tailpiece cam. The Schlage 20-057 is a 6-pin FSIC rim cylinder with a convertible tailpiece cam. Choose the cam orientation the exit device requires.
7) What finishes does the Corbin Russwin 606K76 plug come in?
Two: 606 Satin Brass and 626 Satin Chrome. The plug face is the visible part once the cylinder is installed, so pick the one that matches the escutcheons and levers on the rest of the opening. 626 Satin Chrome is the usual choice alongside satin chrome or brushed stainless trim; 606 suits brass hardware suites.
8) I manage a commercial building on a Corbin Russwin master key system. Can I use these plugs to rekey doors myself?
That is what the part is for, provided your doors are on 77B2 and your cylinders are 2-1/4 inch Corbin Russwin mortise. The X Class 7-pin plug is the component a locksmith swaps to rekey or restore a cylinder without buying a new one, and keeping to genuine Corbin Russwin plugs keeps the cylinder within the factory keying system. You will still need the pins, springs and cut 77B2 keys for the change.
9) I am rekeying a key-in-lever or key-in-knob lock, not a mortise lock. Is the 606K76 the right part?
No. The 606K76 is a mortise cylinder plug for 2-1/4 inch Corbin Russwin mortise cylinders. For key-in-knob and key-in-lever bodies, the Kaba Ilco 1539 is a universal key-in-knob/lever cylinder, the 1579 is a knob and lever cylinder for Sargent locks, 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 6-pin G keyway, keyed different with two cut keys.
10) For a deadbolt cylinder replacement, is there something closer than the Corbin Russwin 606K76?
The 606K76 plug is a mortise cylinder component, so a deadbolt-specific cylinder is the closer fit. The Kaba Ilco 1549 is a key-in-deadbolt cylinder listed with a deadbolt function, and the Medeco 1012040 is a 6-pin lazy motion rim cylinder for Kwikset single cylinder deadbolts. The Medeco 1075127 is a 5-pin rim type lazy motion single cylinder for handlesets and deadbolts, and the 1065140 is a 5-pin retrofit cylinder for Arrow JL interconnected locks and Emtek handleset and deadbolt outside cylinders.
11) For an aluminum storefront with an Adams Rite deadlock, would the 606K76 work?
The 606K76 is a plug for 2-1/4 inch Corbin Russwin mortise cylinders and is not matched to Adams Rite storefront hardware. For those openings, the Adams Rite 4024 cylinder pull mounts with a trim plate and is designed for use with the Adams Rite MS1847 deadlock/deadlatch, and the 4025 is a five pin tumbler cylinder pull with through-screws for the same MS1847. On wood doors, the 4026 five pin tumbler cylinder pull is designed for the Adams Rite 5017 wood door deadlock/deadlatch.
12) How does the 7-pin count on the Corbin Russwin 606K76 compare with other commercial cylinders?
The 606K76 uses a 7-pin Individual X Class configuration, which supports deeper master keying and key control in commercial systems. Among comparable commercial cylinders, the BEST 1CDF interchangeable core is also 7-pin, while the Detex MC65 and the Schlage 20-021, 20-022 and 20-057 rim cylinders are 6-pin, and the BEST 1C5 core and Adams Rite 4036 mortise cylinder are 5-pin. Pin count must match the system the door is keyed into.
13) Is this plug rated for high-traffic commercial use, like a school or hospital?
Yes, it is a commercial-duty cylinder part, used in offices, schools, healthcare, government buildings, multi-tenant residential, retail and warehouses. The 7-pin X Class format is what institutions use for tighter key control across a facility.
14) What finish options does the Corbin Russwin 606K76 mortise cylinder plug come in, and do the comparable cylinders match?
The 606K76 plug is offered in 606 Satin Brass and 626 Satin Chrome. Among the comparable cylinders, the Schlage 20-057-C full size interchangeable core is listed in 643E Aged Bronze, which is a darker bronze tone rather than a brass or chrome match. Pick the 606K76 finish that coordinates with the existing mortise cylinder rings and trim on the door.
15) I need a non-keyed cylinder for balance on an inactive leaf. Does the 606K76 do that?
No. The 606K76 is a functioning 7-pin Individual X Class plug in the 77B2 keyway, meant to be pinned and keyed. For a dummy application where only the appearance of a cylinder is needed, the BEST 12E Series dummy rim cylinder with a 1-5/32 inch diameter serves that purpose, and the Emtek CY4 cylinder is sold individually as a parts item.
How fast can I get the Corbin Russwin 606K76 77B2 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 606K76 77B2 626 come with a warranty?
Absolutely. The Corbin Russwin 606K76 77B2 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 606K76 77B2 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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