Corbin Russwin 8001-034-7-77A1...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$148.00
$97.21
Corbin Russwin 8001-034-7-77A1 Large Format Interchangeable Core, 7-Pin LFIC for CL3329 with Hotel Indicator Pin and 77A1 Keyway

Corbin Russwin 8001-034-7-77A1 Large Format Interchangeable Core, 7-Pin LFIC for CL3329 with Hotel Indicator Pin and 77A1 Keyway

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Model: 8001-034-7-77A1 626

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

$148.00
$97.21
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Corbin Russwin 8001-034-7-77A1 Large Format Interchangeable Core, 7-Pin LFIC for CL3329 with Hotel Indicator Pin and 77A1 Keyway

The Corbin Russwin 8001-034-7-77A1 is a Large Format Interchangeable Core (LFIC) designed specifically for use with the CL3329 lock series. This 7-pin core features a hotel indicator pin for room status visibility and is keyed to the 77A1 keyway, finished in satin brass. Engineered for commercial applications, this IC core allows rapid re-keying and core replacement without special tools, supporting efficient key control and master key system management.

Key Features

  • Large Format Interchangeable Core (LFIC): Tool-free core removal and replacement for fast, efficient re-keying in commercial environments.
  • 7-Pin Configuration: Enhanced security through a 7-pin tumbler design, providing greater key combination capacity and improved pick resistance.
  • CL3329 Compatibility: Engineered specifically for use with the Corbin Russwin CL3329 lock series for precise, reliable fit and operation.
  • Hotel Indicator Pin: Integrated hotel indicator pin provides room occupancy or deadbolt status indication, ideal for hospitality applications.
  • 77A1 Keyway: Proprietary 77A1 keyway ensures key control integrity and restricts unauthorized key duplication.
  • Satin Brass Finish: Durable satin brass finish coordinates with a wide range of commercial door hardware for a consistent aesthetic.
  • Commercial-Grade Construction: Built to meet the demands of high-traffic commercial installations including hospitality, office, and institutional facilities.

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: 8001-034-7-77A1
  • Features: Corbin Russwin Cylinder Parts

Typical Applications

  • Hotel and Hospitality Guest Room Door Locks
  • Commercial Office Buildings
  • Educational and Institutional Facilities
  • Healthcare Institutions
  • Government and Municipal Buildings
  • Multi-Tenant Residential and Mixed-Use Properties
  • Retail Establishments Requiring Key Control

Why Corbin Russwin 8001?

Corbin Russwin IC core products deliver professional-grade key control and security performance engineered for demanding commercial environments. The 8001-034-7-77A1 combines a 7-pin LFIC architecture with a proprietary 77A1 keyway and hotel indicator pin functionality, making it a dependable solution for facilities that require both enhanced security and operational convenience in high-traffic settings.

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:
8001-034-7-77A1
Features:
Corbin Russwin Cylinder Parts

Corbin Russwin 8001-034-7-77A1 626 – Frequently Asked Questions

1) Will the Corbin Russwin 8001-034-7 core fit a CL3329 lock?
Yes. The 8001-034-7-77A1 large format interchangeable core is built for the Corbin Russwin CL3329 lock series, so it drops into that housing as a direct replacement core. It is a core only, not a complete lock, so the CL3329 chassis and trim stay in place.
2) What does the hotel indicator pin on this Corbin Russwin core actually do?
It gives room status indication at the cylinder, showing occupancy or deadbolt status on a guest room door. That is why this core is specified for hospitality openings rather than plain office doors, where a standard LFIC without the indicator pin is the usual choice.
3) Can I key this Corbin Russwin core to my existing master key system?
Only if your system runs the 77A1 keyway. The 8001-034-7 core is cut to the proprietary 77A1 keyway with a 7-pin tumbler stack, so it will accept 77A1 keys and can be pinned into a 77A1 master key system. Keys from any other Corbin Russwin keyway will not enter it.
4) Can a Schlage 20-207 core be used in place of a Corbin Russwin 8001-034-7-77A1?
No. Both are large format interchangeable cores, but they belong to different key systems. The Corbin Russwin 8001-034-7-77A1 is a 7-pin LFIC cut to the proprietary 77A1 keyway and built for the CL3329 lock series, while the Schlage 20-207 is a sub-assembled full size interchangeable core in the S123 keyway. A core only drops into a housing designed for that manufacturer's LFIC geometry and only operates keys cut on its own keyway, so the two are not interchangeable in the same opening or the same master key system.
5) Do I need special tools to swap out this LFIC core?
No. Large format interchangeable cores pull and replace with a control key, no disassembly of the lock and no special tools. That is the point of an LFIC on a property with a lot of doors: a locksmith re-keys an opening in seconds by exchanging cores instead of repinning in place.
6) What finishes does the Corbin Russwin 8001 core come in, and will it match my other hardware?
Three finishes: 606 satin brass, 626 satin chrome, and BSP black suede powder coat. 626 satin chrome is the common match for brushed chrome and stainless lever trim, 606 for brass suites, and BSP for dark bronze or matte black openings.
7) We are standardizing a building on interchangeable cores - what is the difference between a Corbin Russwin 8001 core and a Schlage 20-207 core for a facility-wide system?
The decision is which manufacturer's key system the facility runs on. The Corbin Russwin 8001-034-7-77A1 is a 7-pin LFIC on the restricted 77A1 keyway with a hotel indicator pin, which suits guest room and hospitality openings on Corbin Russwin CL3329 locks. The Schlage 20-207 is a full size interchangeable core supplied sub-assembled on the S123 keyway. Cores, keys, and control keys stay within their own system, so a facility generally picks one platform and buys housings and locks to match rather than mixing the two on the same master key.
8) Our opening does not need room status indication - is there a simpler interchangeable core option?
Yes. The hotel indicator pin in the Corbin Russwin 8001-034-7-77A1 is what drives deadbolt or occupancy status on a CL3329 guest room lock, and it is only useful where the lock is built to display that status. For a plain storeroom, office, or closet opening, a standard interchangeable core without the indicator pin does the same key control job. The Schlage 20-207 is one such core, supplied as an LFIC core only on the S123 keyway, provided the opening is on Schlage interchangeable core housings.
9) Is a 7-pin core more secure than a 6-pin for a hotel or dorm?
The seventh pin adds another chamber, which multiplies the number of usable key combinations and makes the core harder to pick. For a property running a multi-level master system across many guest rooms, that extra chamber is what keeps the keying hierarchy from running out of change keys.
10) Is this Corbin Russwin core rated for high traffic commercial use?
It is a commercial-duty part, built for high-traffic installations like hotels, offices, schools, healthcare, and government buildings rather than residential doors.
11) Does the finish choice affect whether one interchangeable core can substitute for another?
No. Finish is cosmetic and is chosen to coordinate with the surrounding trim - the Corbin Russwin 8001-034-7-77A1 is offered in 606 satin brass, 626 satin chrome, and BSP black suede powder coat. Compatibility is decided by keyway, pin count, and the lock the core was engineered for, which for the 8001-034-7-77A1 is the 77A1 keyway in a 7-pin LFIC format for the CL3329 series. A Schlage 20-207 core on the S123 keyway would not become a substitute by matching finish.
How fast can I get the Corbin Russwin 8001-034-7-77A1 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 8001-034-7-77A1 626 come with a warranty?
Absolutely. The Corbin Russwin 8001-034-7-77A1 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 8001-034-7-77A1 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 8001-034-7-77A1 626 from ZenSupply?
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