Corbin Russwin 8001-034-77B1 L...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$146.00
$96.08

Corbin Russwin 8001-034-77B1 LFIC Interchangeable Core for CL3329 with Hotel Indicator Pin, 6-Pin, 77B1 Keyway, Satin Brass

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Model: 8001-034-77B1 626

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

$146.00
$96.08
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Corbin Russwin 8001-034-77B1 LFIC Interchangeable Core for CL3329 with Hotel Indicator Pin, 6-Pin, 77B1 Keyway, Satin Brass

The Corbin Russwin 8001-034-77B1 is a Less Full Interchangeable Core (LFIC) designed specifically for use with the Corbin Russwin CL3329 lockset family. This 6-pin interchangeable core features the 77B1 keyway and a Hotel Indicator Pin for enhanced operational flexibility in hospitality and commercial environments. Finished in Satin Brass, this replacement IC core integrates seamlessly into compatible Corbin Russwin hardware for secure, professional-grade keying solutions.

Key Features

  • LFIC Design: Less Full Interchangeable Core (LFIC) configuration allows for fast, tool-free core replacement without removing the lock from the door, minimizing downtime during rekeying operations.
  • 6-Pin Cylinder: Six-pin tumbler configuration provides a robust level of key security and broad key combination availability for commercial master key systems.
  • 77B1 Keyway: Proprietary 77B1 keyway ensures compatibility within designated Corbin Russwin keying systems for controlled key duplication and access management.
  • Hotel Indicator Pin: Integrated Hotel Indicator Pin provides a visual occupied/vacant room status indication, making this core ideal for hospitality applications requiring room status monitoring.
  • CL3329 Compatibility: Engineered specifically for the Corbin Russwin CL3329 lockset, ensuring precise fit and reliable operation within that product family.
  • Satin Brass Finish: Satin Brass finish delivers a professional aesthetic that coordinates with complementary door hardware in commercial and hospitality environments.
  • Genuine Corbin Russwin Cylinder Part: Manufactured as an authentic Corbin Russwin cylinder component, ensuring OEM-level quality and performance when used as a replacement or upgrade part.

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: 8001-034-77B1
  • Features: Corbin Russwin Cylinder Parts

Typical Applications

  • Hotel and Hospitality Guest Room Locks
  • Commercial Office Buildings with Master Key Systems
  • Educational Facilities Requiring Rekeying Flexibility
  • Healthcare Institutions with Access Control Requirements
  • Multi-Tenant Residential and Mixed-Use Properties
  • Government and Municipal Buildings
  • Retail Establishments with Controlled Key Access

Why Corbin Russwin 8001-034-77B1?

Corbin Russwin interchangeable core components are engineered to OEM specifications, delivering reliable performance within the CL3329 lockset family and compatible Corbin Russwin keying systems. The 6-pin cylinder and proprietary 77B1 keyway combine with the Hotel Indicator Pin feature to provide a purpose-built solution for demanding commercial and hospitality environments where security, operational efficiency, and fast rekeying capability are essential.

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:
8001-034-77B1
Features:
Corbin Russwin Cylinder Parts

Corbin Russwin 8001-034-77B1 626 – Frequently Asked Questions

1) What does the hotel indicator pin on this Corbin Russwin core actually do?
It gives a visual occupied/vacant room status indication at the lock, which is why this core is spec'd for hospitality guest room hardware. If you're rekeying a hotel and your existing cores show room status, this is the version to order; a plain 6-pin core without the indicator pin will not reproduce that behavior.
2) Can I key the 8001-034-77B1 into my existing Corbin Russwin master key system?
Only if your system runs the 77B1 keyway. This core is cut for the proprietary 77B1 keyway and a 6-pin tumbler stack, so it will accept keys and master keys from a 77B1 system. A different Corbin Russwin keyway, or a 7-pin system, will not cross over - you'd need cores in your own keyway to stay on one key.
3) I need an interchangeable core but my locks are Schlage, not Corbin Russwin - what do I order?
Don't order the Corbin Russwin 8001-034-77B1; IC cores are brand and keyway specific. For Schlage hardware the equivalent is the Schlage Commercial 20-207 sub-assembled FSIC core in the S123 keyway. Note that the Schlage part has no hotel indicator pin function stated, so it won't give you room status indication the way the Corbin Russwin hotel core does.
4) Can a Schlage 20-207 core be used in place of a Corbin Russwin 8001-034-77B1 core?
No. Both are interchangeable cores, but they belong to different keying systems. The Corbin Russwin 8001-034-77B1 is a 6-pin LFIC core cut to the proprietary 77B1 keyway and built for the Corbin Russwin CL3329 lockset. The Schlage Commercial 20-207 is a sub-assembled full size interchangeable core in the Schlage S123 keyway. A Schlage core will not seat in Corbin Russwin CL3329 hardware and will not accept 77B1 keys, so the two are not interchangeable in the same opening.
5) Do I have to pull the lock off the door to swap a Corbin Russwin LFIC core?
No. The Less Full Interchangeable Core design lets a locksmith pull and replace the core with the control key, lock still mounted in the door. That's the main reason facilities standardize on IC cores - rekeying a floor of rooms happens without disassembling hardware.
6) Is the 8001-034-77B1 sold keyed, or do I need a locksmith to pin it?
It's a Corbin Russwin cylinder component supplied as a replacement core in the 77B1 keyway with a 6-pin stack. Keying to your existing system is a keying decision, so a locksmith or your facility key control group pins it to your master/change key schedule. Ordering it is the keyway and finish decision; the combination is yours.
7) I need an interchangeable core without the hotel occupancy feature - what are my options?
The Corbin Russwin 8001-034-77B1 includes a Hotel Indicator Pin that gives a visual occupied/vacant room status, which is a hospitality-specific feature. If the opening is a standard office, storeroom or tenant door that does not need room status indication, a plain interchangeable core is the simpler choice - for example the Schlage Commercial 20-207 sub-assembled interchangeable core in the S123 keyway, which is a straight core with no indicator function. Note that switching brands also switches keyway families, so the plain core route only works if the lockset accepts it and the building keying system matches.
8) What is the difference between an LFIC core like the Corbin Russwin 8001-034-77B1 and a full size interchangeable core?
Both are described as interchangeable core designs and both pull out for rekeying without taking the lock off the door. The Corbin Russwin 8001-034-77B1 is a Less Full Interchangeable Core sized for the Corbin Russwin CL3329 lockset family and keyed in the 77B1 keyway. The Schlage Commercial 20-207 is a sub-assembled core catalogued as a full size interchangeable core in the S123 keyway. Because the core body and housing prep differ between the two formats, the lockset or cylinder housing on the door dictates which format you order - confirm which your hardware was prepped for before ordering.
9) If I am standardizing a hotel on one keying system, which core keeps the guest room status indication?
The Corbin Russwin 8001-034-77B1 is the one to standardize on for guest rooms, because it carries the Hotel Indicator Pin for visual occupied/vacant status alongside its 6-pin cylinder and 77B1 keyway, and it is offered in 606 Satin Brass, 626 Satin Chrome, and BSP Black Suede Powder Coat so it can match the rest of the trim. The Schlage Commercial 20-207 is a plain sub-assembled interchangeable core in the S123 keyway with no indicator feature, so it suits back-of-house and office doors rather than guest room status monitoring.
10) Is this core a commercial part or is it fine for a house?
It's a commercial cylinder component, catalogued as a Corbin Russwin replacement part for mechanical locks. Typical use is hotel guest rooms, office buildings on master key systems, schools, healthcare, multi-tenant residential, government buildings, and retail with controlled key access. For a single-family home there's no practical reason to run a 6-pin proprietary IC core.
How fast can I get the Corbin Russwin 8001-034-77B1 626 delivered?
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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 8001-034-77B1 626 come with a warranty?
Absolutely. The Corbin Russwin 8001-034-77B1 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 8001-034-77B1 626?
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