Corbin Russwin 8001-034-77B2 L...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$146.00
$96.08

Corbin Russwin 8001-034-77B2 LFIC Interchangeable Core, 6-Pin for CL3329 with Hotel Indicator Pin, 77B2 Keyway, Satin Brass

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Model: 8001-034-77B2 626

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

$146.00
$96.08
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Corbin Russwin 8001-034-77B2 LFIC Interchangeable Core, 6-Pin for CL3329 with Hotel Indicator Pin, 77B2 Keyway, Satin Brass

The Corbin Russwin 8001-034-77B2 is a Less Full Interchangeable Core (LFIC) cylinder designed specifically for use with the CL3329 series mortise lockset. This 6-pin interchangeable core features a Hotel Indicator Pin for enhanced guest-room access management and is configured with the 77B2 keyway for controlled key distribution. Finished in Satin Brass, this replacement core provides a reliable, professional-grade solution for commercial keying systems that demand flexibility and security.

Key Features

  • LFIC Design: Less Full Interchangeable Core (LFIC) configuration allows for rapid re-keying without disassembling the lockset, minimizing downtime during key control changes.
  • 6-Pin Cylinder: Six-pin tumbler configuration delivers enhanced key combination security and resistance to unauthorized entry in commercial applications.
  • CL3329 Compatibility: Engineered specifically for the Corbin Russwin CL3329 series mortise lock, ensuring precise fit and reliable operation.
  • Hotel Indicator Pin: Integrated hotel indicator pin supports room status signaling, making this core well-suited for hospitality and multi-room facility applications.
  • 77B2 Keyway: Controlled 77B2 keyway provides key section management for master key systems and restricted key duplication environments.
  • Satin Brass Finish: Satin Brass finish offers a professional aesthetic consistent with a wide range of commercial door hardware finishes.
  • Corbin Russwin Cylinder Parts: Manufactured as a genuine Corbin Russwin cylinder component, ensuring compatibility and quality consistent with the original hardware system.

Certifications & Compliance

  • Commercial-Grade Construction
  • Genuine Corbin Russwin Cylinder Component

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: IC Core
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: 8001-034-77B2
  • Features: Corbin Russwin Cylinder Parts

Typical Applications

  • Hotel and Hospitality Guest Room Access Management
  • Commercial Office Buildings with Master Key Systems
  • Healthcare Facilities Requiring Controlled Key Distribution
  • Educational Institutions with Restricted Keyways
  • Multi-Tenant Residential and Mixed-Use Properties
  • Government and Municipal Buildings with Key Control Programs
  • Retail and Commercial Establishments Upgrading Existing CL3329 Hardware

Why Corbin Russwin 8001-034-77B2?

Corbin Russwin is a recognized manufacturer of commercial-grade cylinder and locking components, and the 8001-034-77B2 interchangeable core reflects that commitment to precision and reliability. The LFIC format paired with the 77B2 controlled keyway and hotel indicator pin makes this core a purpose-built solution for facilities that require both operational flexibility and disciplined key management. As a genuine Corbin Russwin cylinder part, it integrates seamlessly with CL3329 series hardware for dependable long-term performance.

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:
IC Core
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
8001-034-77B2
Features:
Corbin Russwin Cylinder Parts

Corbin Russwin 8001-034-77B2 626 – Frequently Asked Questions

1) Does the 77B2 keyway mean my existing Corbin Russwin keys will work?
Only if your system is already keyed in 77B2. The core ships configured for the 77B2 controlled key section, which is used for master key systems and restricted duplication. A core in a different Corbin Russwin key section will not accept 77B2 keys, so match the keyway stamped on your current cylinders before you order, and have your locksmith key the core to your existing system.
2) Can I re-key this core without pulling the mortise lock apart?
That is the point of the LFIC format. The Less Full Interchangeable Core comes out with a control key and a replacement goes in, so re-keying happens without disassembling the lockset. For a property manager turning over guest rooms or tenants, that keeps the door out of service for minutes rather than a full lock teardown.
3) Is this a complete lock or just the cylinder core?
Just the core. The 8001-034-77B2 is a replacement interchangeable core for commercial mechanical lock hardware, not a lockset. You need an existing CL3329 lock (or other housing that takes a Corbin Russwin LFIC core) already on the door, plus a control key to swap it.
4) My hardware is Schlage, not Corbin Russwin. Can I use this core?
No. This is a Corbin Russwin core in the 77B2 key section and it will not seat or key into Schlage housings. For Schlage small-format interchangeable core hardware, the Schlage 20-207 sub-assembled FSIC core in the S123 keyway is the equivalent part.
5) Can a Schlage 20-207 core be used in place of the Corbin Russwin 8001-034-77B2?
No. The Corbin Russwin 8001-034-77B2 is a Less Full Interchangeable Core built for the Corbin Russwin CL3329 mortise lockset and cut to the 77B2 keyway. The Schlage 20-207 is a sub-assembled core only on the Schlage S123 keyway, so it belongs to a separate key system and a separate housing family. Use the 8001-034-77B2 when the opening is Corbin Russwin CL3329 hardware on a 77B2 key system, and the Schlage core when the building is keyed on Schlage S123.
6) What is the hotel indicator pin on this Corbin Russwin core actually for?
It supports room status signaling on guest-room hardware, which is why this core is specified for hospitality and multi-room facilities rather than a plain office door. If your CL3329 lock does not use an indicator function, a core with the indicator pin is more than the opening needs.
7) Is a 6-pin core worth it over a 5-pin for a hotel or campus key system?
Six pins give you more usable key combinations, which matters when a master key system has to cover many doors without cross-keying, and it adds resistance to unauthorized entry. On a large hospitality or institutional system where the keyway is already restricted, the extra pin chamber is what keeps the hierarchy workable.
8) I need an interchangeable core but not the hotel indicator feature - what else is there?
The Corbin Russwin 8001-034-77B2 carries a hotel indicator pin for guest-room status signaling, which is what you want on hospitality openings. If the door is an ordinary office or storage opening and the building is keyed on Schlage, the Schlage Commercial 20-207 is a plain sub-assembled interchangeable core with no indicator function, supplied on the S123 keyway.
9) Both are called interchangeable cores - what actually differs between the Corbin Russwin 8001-034-77B2 and the Schlage 20-207?
Both are interchangeable core cylinders that pull with a control key rather than requiring the lock to be taken apart. The Corbin Russwin 8001-034-77B2 is a 6-pin LFIC on the 77B2 keyway, matched to CL3329 mortise hardware, and includes a hotel indicator pin. The Schlage 20-207 is an LFIC core on the S123 keyway. The keyway and the parent hardware line are what decide which one fits your opening.
10) What finishes does the Corbin Russwin 8001-034 interchangeable core come in?
Three: 606 Satin Brass, 626 Satin Chrome, and BSP Black Suede Powder Coat. Pick the one that matches the lever and rose already on the door, since the core face is the visible part.
11) Is this core suitable for residential use?
It is built for commercial work. The 8001-034 core is a commercial-grade mechanical lock component aimed at hotels, offices, healthcare, schools, and multi-tenant properties running key control programs. A single-family house with standard keyed knobs has no LFIC housing to put it in.
How fast can I get the Corbin Russwin 8001-034-77B2 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 8001-034-77B2 626 come with a warranty?
Absolutely. The Corbin Russwin 8001-034-77B2 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 8001-034-77B2 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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