Corbin Russwin 8001-034-77A1 L...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$146.00
$96.08
Corbin Russwin 8001-034-77A1 Less Full Interchangeable Core, LFIC 6-Pin for CL3329 with Hotel Indicator Pin and 77A1 Keyway

Corbin Russwin 8001-034-77A1 Less Full Interchangeable Core, LFIC 6-Pin for CL3329 with Hotel Indicator Pin and 77A1 Keyway

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Model: 8001-034-77A1 626

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

$146.00
$96.08
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Corbin Russwin 8001-034-77A1 Less Full Interchangeable Core, LFIC 6-Pin for CL3329 with Hotel Indicator Pin and 77A1 Keyway

The Corbin Russwin 8001-034-77A1 is a Less Full Interchangeable Core (LFIC) cylinder designed specifically for use with the CL3329 mortise lock series. This commercial-grade 6-pin interchangeable core features the 77A1 keyway and incorporates a Hotel Indicator Pin for visual occupancy indication, making it well suited for hospitality and multi-room keying environments. Finished in Satin Brass, this IC core is a direct replacement part engineered to Corbin Russwin's exacting cylinder standards.

Key Features

  • Less Full Interchangeable Core (LFIC): Designed for interchangeable core cylinder systems, allowing rapid re-keying without specialized tools for efficient key control management.
  • 6-Pin Cylinder Configuration: Six-pin tumbler design delivers enhanced key security and an extensive key change capability for commercial keying systems.
  • CL3329 Compatibility: Engineered specifically for use with the Corbin Russwin CL3329 mortise lock series, ensuring proper fit and reliable operation.
  • Hotel Indicator Pin: Integrated hotel indicator pin provides visual room occupancy signaling, ideal for hospitality and lodging facility applications.
  • 77A1 Keyway: Features the proprietary 77A1 keyway for controlled key duplication and system security integrity.
  • Satin Brass Finish: Satin Brass finish provides a professional aesthetic that complements a wide range of commercial door hardware.
  • Replacement Part: Genuine Corbin Russwin cylinder replacement part, maintaining OEM fit, form, and function within existing lock installations.

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: 8001-034-77A1
  • Features: Corbin Russwin Cylinder Parts

Typical Applications

  • Hotel and Hospitality Facility Guest Room Locks
  • Commercial Office Buildings with Master Key Systems
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  • Educational Institutions with Interchangeable Core Keying Programs
  • Healthcare Facilities Requiring Rapid Re-Keying Capability
  • Multi-Tenant Residential and Mixed-Use Properties
  • Government and Municipal Buildings with Controlled Key Access
  • Retail and Corporate Facilities Utilizing CL3329 Mortise Lock Hardware

Why Corbin Russwin 8001-034-77A1?

Corbin Russwin IC core cylinder parts are manufactured to precise commercial tolerances, ensuring seamless integration with compatible CL3329 mortise lock hardware. The 8001-034-77A1 delivers the controlled access benefits of the LFIC system, including fast core exchange and restricted 77A1 keyway duplication, backed by Corbin Russwin's reputation for professional-grade cylinder engineering. For facilities requiring hotel indicator functionality alongside a robust interchangeable core program, this replacement core is the specified solution.

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:
8001-034-77A1
Features:
Corbin Russwin Cylinder Parts

Corbin Russwin 8001-034-77A1 626 – Frequently Asked Questions

1) Will a Schlage interchangeable core work in a Corbin Russwin CL3329 lock instead?
No. The Schlage Commercial 20-207 is an FSIC core cut for the S123 keyway and belongs to Schlage's own core system. The Corbin Russwin 8001-034-77A1 is keyed to the 77A1 keyway and built for the CL3329. Cores are not cross-brand interchangeable, so stay within the system your masterkeying is built on.
2) Can a Schlage 20-207 core be used in place of a Corbin Russwin 8001-034-77A1 core?
No. Both are interchangeable core cylinders - the Corbin Russwin 8001-034-77A1 is a Less Full Interchangeable Core (LFIC) 6-pin core with the 77A1 keyway, and the Schlage 20-207 is a sub-assembled FSIC core in the S123 keyway. The keyways are proprietary to each manufacturer, so a Schlage S123 core will not accept 77A1 keys and will not serve a Corbin Russwin 77A1 key system. Substituting it would break key control on the existing system. Match the core to the keyway your facility is already keyed to.
3) What does the hotel indicator pin on this Corbin Russwin core actually do?
It gives visual occupancy signaling at the guest room door, which is why this core is specified for hospitality and lodging work rather than a plain office opening. If your CL3329 locks are not indicator-type, you want a standard 6-pin LFIC core instead of the 8001-034 configuration.
4) Can I re-key this Corbin Russwin IC core without pulling the lock apart?
That is the point of the interchangeable core format. With a control key the core lifts out and a replacement drops in, so a property manager or locksmith can rotate key control on a guest room or tenant door without disassembling the mortise lock. The 77A1 is a proprietary keyway, so duplication stays restricted to your system.
5) Why choose a 6-pin core over a 5-pin for a hotel or campus keying system?
Six pins give a much larger pool of key changes, which is what you need when a master key system has to cover hundreds of guest rooms or dorm doors without duplicate cuts. The 8001-034-77A1 is a six-pin tumbler core on the restricted 77A1 keyway, so both the change capacity and the duplication control hold up across a large system.
6) What is the difference between an LFIC core like the 8001-034-77A1 and an FSIC core?
The Corbin Russwin 8001-034-77A1 is a Less Full Interchangeable Core (LFIC) cylinder, meaning the core drops into a housing that is part of the lock - in this case the CL3329 mortise lock series - and is exchanged with a control key for fast re-keying. An FSIC core, such as the Schlage 20-207, is a full-size interchangeable core format on the Schlage side. The two formats are not cross-compatible: the 8001-034-77A1 is built to the Corbin Russwin LFIC footprint for CL3329 hardware, so specify by the system your doors already use.
7) For a hotel guest room where I need occupancy indication, is there an alternative to the 8001-034-77A1?
The Corbin Russwin 8001-034-77A1 carries an integrated hotel indicator pin for visual room occupancy signaling, which is why it is the core specified for hospitality guest room CL3329 mortise locks. The Schlage 20-207 is a plain FSIC core with no indicator pin function stated, so it does not fill that role. If the opening needs hotel indicator function, stay with the 8001-034-77A1; it is offered in Satin Brass, Satin Chrome, and Black Suede Powder Coat to match surrounding trim.
8) Is this a residential or commercial-grade cylinder?
Commercial. It is an OEM Corbin Russwin replacement cylinder part for commercial mortise lock hardware, the kind used in hotels, schools, healthcare, and multi-tenant buildings running an interchangeable core key program.
How fast can I get the Corbin Russwin 8001-034-77A1 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 8001-034-77A1 626 come with a warranty?
Absolutely. The Corbin Russwin 8001-034-77A1 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 8001-034-77A1 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
Why buy the Corbin Russwin 8001-034-77A1 626 from ZenSupply?
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