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 77A2 Keyway, Satin Brass

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Model: 606K76 77A2 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 77A2 Keyway

The Corbin Russwin 606K76 is a 7-Pin Individual X Class replacement cylinder plug engineered specifically for 2-1/4" mortise cylinder applications. Featuring the 77A2 keyway and finished in Satin Brass, this precision-machined plug is a genuine Corbin Russwin cylinder part designed to maintain the security and performance standards of your existing commercial locking hardware.

Key Features

  • 7-Pin Configuration: Individual X Class 7-pin plug design delivers enhanced key control and security for commercial mortise cylinder applications.
  • Mortise Compatibility: Engineered for use with 2-1/4" mortise cylinders, ensuring a precise, secure fit in compatible Corbin Russwin hardware.
  • 77A2 Keyway: Specific 77A2 keyway profile provides controlled key compatibility and restricts unauthorized key duplication for improved access management.
  • Satin Brass Finish: Satin Brass finish offers a refined, professional appearance consistent with coordinated commercial door hardware installations.
  • Genuine Corbin Russwin Cylinder Part: Manufactured as an authentic Corbin Russwin cylinder component, ensuring proper fit, function, and performance within compatible lock systems.
  • Commercial-Grade Construction: Designed to meet the demands of high-traffic commercial environments where reliable lock cylinder performance is essential.

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 77A2
  • 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 606K76?

Corbin Russwin cylinder parts are trusted throughout the commercial door hardware industry for precision engineering and consistent performance. The 606K76 plug is a genuine replacement component that preserves the key control, security class, and operational integrity of your Corbin Russwin mortise cylinder installation, making it the reliable choice for maintenance, rekeying, and hardware upgrade projects.

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 77A2
Features:
Corbin Russwin Cylinder Parts

Corbin Russwin 606K76 77A2 626 – Frequently Asked Questions

1) Will the 606K76 plug work in my 1-1/8 inch mortise cylinder?
No. The 606K76 plug is machined for 2-1/4 inch mortise cylinder applications, and a 1-1/8 inch cylinder uses a shorter plug. For a 1-1/8 inch mortise application you would need a cylinder sized for it, such as the Detex MC65 six-pin mortise cylinder with the Schlage C keyway.
2) What keyway and pin count does the Corbin Russwin 606K76 plug use?
Seven pins, cut for the Corbin Russwin 77A2 keyway. That combination only works if the rest of your system is on 77A2 and pinned to seven chambers, so keys from a different Corbin Russwin keyway will not enter it. It is the right choice when you are maintaining or rekeying an existing 77A2 seven-pin master key system.
3) I manage a building on Corbin Russwin locks. Can I use this plug to rekey doors without replacing hardware?
Yes, that is what it is for. Swapping the plug in an existing 2-1/4 inch Corbin Russwin mortise cylinder restores key control after a lost key or tenant turnover without pulling the lock body or changing the door prep. It is a commercial-grade part intended for offices, schools, healthcare, government buildings, retail, and multi-tenant residential.
4) If the whole mortise cylinder needs replacing rather than just the plug, what should be ordered instead of the Corbin Russwin 606K76?
The 606K76 is a replacement cylinder plug for 2-1/4 inch Corbin Russwin mortise cylinders, so it only serves a rebuild of an existing cylinder housing. If the complete cylinder is being replaced, a full mortise cylinder is the right item: the Detex MC65 is a mortise cylinder with a Schlage C keyway in a 1-1/8 inch 6-pin configuration, and the Adams Rite 4036 is a Grade 1 five-pin mortise cylinder in the 4036 series. Both are whole cylinders rather than plugs, so they come with their own housings and do not carry the 77A2 keyway.
5) Is the Corbin Russwin 606K76 an interchangeable core, and what is the alternative for a facility that wants swappable cores?
No. The 606K76 is a 7-pin Individual X Class cylinder plug that is fitted into a 2-1/4 inch Corbin Russwin mortise cylinder, so rekeying means working the plug. A facility that wants cores pulled and swapped with a control key uses an interchangeable core product instead: the BEST 1CB is a 150 series interchangeable core cylinder, the BEST 1CDF is a drill-resistant patented interchangeable core 7-pin brass 150 series core, and the Schlage 20-057-C is a full size interchangeable core in the C keyway with a 643E Aged Bronze finish.
6) Can the Corbin Russwin 606K76 be used on a rim exit device cylinder?
No. The 606K76 is a plug machined for 2-1/4 inch mortise cylinder applications, not a rim cylinder. Rim applications behind exit devices take a rim cylinder selected by cam orientation: the Schlage 20-021 is a 6-pin rim cylinder with a vertical tailpiece cam, the 20-022 is the same 6-pin rim cylinder with a horizontal tailpiece cam, and the Schlage 20-057 is a 6-pin FSIC rim cylinder with a convertible tailpiece cam. Each ships with two keys.
7) Can I put the 606K76 plug into a rim cylinder or a key-in-knob cylinder?
No. It is cut for mortise cylinder bodies at 2-1/4 inch, not rim or knob cylinders. For rim applications look at a rim cylinder such as the Schlage 20-022 with horizontal tailpiece cam; for knob and lever replacements, the Kaba Ilco 1599 key-in-knob cylinder covers that side.
8) Does the 606K76 plug come with keys or pins?
Plan on supplying your own pinning and keys. The 606K76 is sold as a genuine Corbin Russwin replacement plug for the 77A2 keyway, so a locksmith pins it into your existing system and cuts keys to your bitting. That is different from a packaged cylinder like the Schlage 20-021 rim cylinder, which is listed with two keys.
9) I want interchangeable cores instead of replacing plugs. Is this the right part?
No. The 606K76 is a fixed plug that has to be pinned into the cylinder by a locksmith. If you want cores your own staff can pull with a control key, go to an interchangeable core system instead, like the BEST 1C five-pin standard core, the BEST 1CDF drill resistant seven-pin core, or the Schlage 20-057 six-pin FSIC rim cylinder.
10) What is the difference between the Corbin Russwin 606K76 plug and a key-in-lever or key-in-knob replacement cylinder?
The 606K76 is a mortise cylinder plug, the keyed core assembly inside a 2-1/4 inch Corbin Russwin mortise cylinder. A key-in-lever or key-in-knob cylinder is a different body that drops into the lever or knob itself: 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, the Kaba Ilco 1539 is a universal key-in-knob and lever cylinder, and the Kaba Ilco 1579 is a knob and lever cylinder made for Sargent locks. None of these fits a mortise cylinder housing.
11) For a residential-style deadbolt or handleset, is the Corbin Russwin 606K76 the right cylinder part?
No. The 606K76 is a commercial 7-pin plug for 2-1/4 inch Corbin Russwin mortise cylinders. Deadbolt and handleset retrofits are served by dedicated cylinders: the Kaba Ilco 1549 is a key-in-deadbolt cylinder and the 1599 is a key-in-knob replacement cylinder, both catalogued for deadbolt function; 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 Medeco 1065244 is a 5-pin rim lazy motion cylinder supplied with an Emtek tailpiece.
12) What is a lower pin count alternative if 7-pin key control is not required?
The 606K76 uses a 7-pin Individual X Class plug for enhanced key control in Corbin Russwin mortise cylinders. Where a simpler pinning is acceptable, 5-pin and 6-pin cylinders cover the same openings in their own formats: the BEST 1C5 is a standard 5-pin cylinder core, the Adams Rite 4036 is a five-pin Grade 1 mortise cylinder, and the Detex MC65 is a 6-pin mortise cylinder in the Schlage C keyway. Pin count and keyway both change with these, so they cannot be keyed into an existing 77A2 system.
13) On an aluminum storefront with an Adams Rite MS deadlock, does the Corbin Russwin 606K76 apply?
The 606K76 is a plug for 2-1/4 inch Corbin Russwin mortise cylinders and is not a storefront pull assembly. Narrow stile storefront work with an Adams Rite MS1847 deadlock or deadlatch uses a cylinder pull: the Adams Rite 4024 mounts with a trim plate and the 4025 is a five pin tumbler cylinder pull that mounts with through-screws, both for the MS1847. For a wood door the 4026 five pin tumbler cylinder pull is built for the Adams Rite 5017 wood door deadlock or deadlatch.
14) What looks like a substitute for the Corbin Russwin 606K76 but will not key or operate a lock?
The BEST 12E series dummy rim cylinder, at 1-5/32 inch diameter, has a cylinder profile but is a dummy used to fill a prep, so it will not accept keying or drive a lock the way the 606K76 plug does inside a 2-1/4 inch Corbin Russwin mortise cylinder. The Emtek CY4 is also sold as a cylinder part, each, but it belongs to Emtek trim rather than Corbin Russwin mortise housings.
15) For an Arrow interconnected lock or Emtek handleset retrofit, what cylinder is used instead of the Corbin Russwin 606K76?
The 606K76 plug fits 2-1/4 inch Corbin Russwin mortise cylinders and does not adapt to interconnected residential-style locksets. The Medeco 1065140 is a 5-pin retrofit cylinder specified for the Arrow JL interconnected lock and for the Emtek handleset and deadbolt outside cylinder position, which is the correct format for that hardware.
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Can I return it if it doesn’t work for me?
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Does the Corbin Russwin 606K76 77A2 626 come with a warranty?
Absolutely. The Corbin Russwin 606K76 77A2 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 77A2 626?
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