Corbin Russwin 197K51 D3 Plug ...
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Corbin Russwin 197K51 D3 Plug Only for 1001 Hotel Mortise Cylinder with D Keyway

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Model: 197K51 D4 626

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

$67.00
$61.58
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Corbin Russwin 197K51 D3 Plug Only for 1001 Hotel Mortise Cylinder with D Keyway

The Corbin Russwin 197K51 D3 is a genuine replacement plug designed specifically for the 1001 Hotel Mortise Cylinder. Engineered for commercial-grade applications, this plug component is keyed to the D Keyway, ensuring precise compatibility with existing Corbin Russwin keying systems. Ideal for facilities management teams and locksmiths needing an exact OEM replacement part to restore cylinder function without full cylinder replacement.

Key Features

  • Exact OEM Compatibility: Designed as a direct plug replacement for the Corbin Russwin 1001 Hotel Mortise Cylinder, ensuring proper fit and function without modification.
  • D Keyway Configuration: Factory-configured with the D Keyway to integrate seamlessly into existing Corbin Russwin keying systems and master key hierarchies.
  • Commercial-Grade Construction: Built to Corbin Russwin's professional standards for commercial door hardware applications, delivering reliable long-term performance.
  • Genuine Cylinder Parts: Authentic Corbin Russwin cylinder component, maintaining the integrity and security of the original hardware installation.
  • Cost-Effective Restoration: Allows targeted replacement of the plug only, extending the service life of the existing 1001 Hotel Mortise Cylinder assembly without full unit replacement.
  • Hotel Mortise Application: Specifically suited for hotel and hospitality environments where mortise cylinder reliability and keyway consistency are critical.

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: 197K51 D3
  • Features: Corbin Russwin Cylinder Parts

Typical Applications

  • Hotel and Hospitality Facilities
  • Commercial Office Buildings
  • Multi-Tenant Residential Properties
  • Healthcare Institutions
  • Educational Facilities
  • Government and Municipal Buildings
  • Locksmith and Facilities Maintenance Services

Why Corbin Russwin 197K51?

Corbin Russwin has long been recognized for producing professional-grade cylinder hardware engineered for demanding commercial environments. The 197K51 D3 plug is a genuine OEM component that preserves the security integrity and keying precision of the 1001 Hotel Mortise Cylinder system. For facilities requiring consistent, reliable cylinder performance with exact keyway compatibility, this replacement plug delivers the exacting standards expected from Corbin Russwin cylinder products.

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:
197K51 D3
Features:
Corbin Russwin Cylinder Parts

Corbin Russwin 197K51 D4 626 – Frequently Asked Questions

1) What exactly is the Corbin Russwin 197K51 plug, and does it include the whole cylinder?
The 197K51 is the plug only, not a complete cylinder. It is the keyed plug that drops into an existing Corbin Russwin 1001 Hotel Mortise Cylinder so you can restore key function without swapping the entire cylinder body. If the cylinder shell, cam, or housing is damaged, you need a full mortise cylinder instead.
2) Will the 197K51 plug fit anything other than a Corbin Russwin 1001 hotel mortise cylinder?
No. It is built as a direct plug replacement for the Corbin Russwin 1001 Hotel Mortise Cylinder and nothing else. A standard mortise cylinder on a storeroom or office lock is a different cylinder; for those openings order a complete mortise cylinder rather than this plug.
3) If the whole 1001 hotel mortise cylinder needs replacing instead of just the plug, what complete mortise cylinder can be used?
The Corbin Russwin 197K51 is a plug only for the 1001 Hotel Mortise Cylinder, so it restores an existing cylinder body rather than replacing it. When the body itself is damaged, a complete mortise cylinder is required instead. The Detex MC65 is a 1-1/8 inch 6-pin commercial mortise cylinder in the Schlage C keyway, and the Adams Rite 4036 is a Grade 1 five-pin mortise cylinder in the 4036 series with a 1/2 inch minimum door thickness. Both are full cylinders, so neither will carry Corbin Russwin D keyway keys - a complete swap means rekeying that opening or bringing it into a different key system.
4) Is a BEST interchangeable core an equivalent to the Corbin Russwin 197K51 plug?
No. The 197K51 D3 is a loose plug that goes inside an existing Corbin Russwin 1001 hotel mortise cylinder body and carries the D keyway. A BEST core is a self-contained figure-eight core that drops into BEST-prepped housings: the 1C5 is a standard 5-pin cylinder core, the 1CB is a 1CB series Peaks 150 series interchangeable core, and the 1CDF is a drill resistant patented 7-pin brass core in the 1CDF series. Those require BEST-style interchangeable core hardware and will not seat in a 1001 mortise cylinder shell.
5) What finishes does the Corbin Russwin 197K51 hotel cylinder plug come in?
Satin brass (606) and satin chrome (626). In the combinations offered, 606 satin brass is available with either the D3 or D4 keyway, while 626 satin chrome pairs with the D4 keyway. Match the finish to the existing escutcheon or lock trim so the plug face is not the odd one out on the door.
6) I manage a hotel with hundreds of guest room locks. Is replacing just the plug a sensible way to rekey a floor?
That is exactly the use case. Swapping the plug restores or changes key function on the existing 1001 hotel mortise cylinders without pulling and replacing whole cylinders, and keeping the keyway consistent (D3 or D4) keeps the rooms inside the same master key hierarchy. It is a commercial-grade replacement part, suited to hospitality, multi-tenant residential, healthcare, and education properties.
7) Can I use an interchangeable core instead of this plug to make future rekeying easier?
Not in a 1001 hotel mortise cylinder, which takes the 197K51 keyed plug rather than a removable core. If you want core-swap rekeying you are changing cylinder platforms: BEST interchangeable-core products such as the 1CB 150 Series core or the 1CDF drill-resistant 7-pin core, or Schlage full-size interchangeable core cylinders like the 20-057, work that way instead. That means new housings and a new key system, not a drop-in repair.
8) What should I use if the opening takes a rim cylinder rather than a mortise cylinder?
The Corbin Russwin 197K51 plug serves a mortise cylinder on the 1001 hotel mortise design and has no rim application. For rim-prepped exit devices, Schlage Commercial offers the 20-021 rim cylinder with a vertical tailpiece cam and the 20-022 with a horizontal tailpiece cam, both 6-pin and supplied with two keys. If the building standardizes on full size interchangeable cores, the Schlage 20-057 is a 6-pin FSIC rim cylinder with a convertible tailpiece cam. Cam orientation must match what the exit device retracts, so confirm vertical versus horizontal before ordering.
9) We are moving a hotel property to interchangeable core so housekeeping keys can be rotated. What replaces the 1001 mortise cylinder approach?
The Corbin Russwin 197K51 D3 plug keeps an opening on the existing 1001 hotel mortise cylinder and its D keyway master key hierarchy, which means rekeying is a pinning operation. A facility standardizing on interchangeable core instead uses cores that pull with a control key: the Schlage 20-057-C is a full size interchangeable core cylinder in the C keyway with a 643E aged bronze finish, and BEST offers the 1CB 150 series interchangeable core and the 1CDF 7-pin drill resistant patented core. That is a hardware change at the door, not a drop-in for a 1001 mortise cylinder body.
10) Will the 197K51 plug work in a key-in-lever or key-in-knob lockset?
No. The 197K51 D3 is a plug for the 1001 hotel mortise cylinder and is not a knob or lever cylinder. For key-in-lever and key-in-knob work, the Falcon A23161-05 G is a key-in-lever cylinder for the RU/T series with a 6-pin G keyway, keyed different with two cut keys, and Kaba Ilco offers the 1539 series universal key-in-knob and lever cylinder, the 1579 knob and lever cylinder for Sargent, and the 1599 key-in-knob replacement cylinder. Those are sized and tailed for knob and lever chassis, not for a mortise cylinder shell.
11) For an aluminum storefront door, is a Corbin Russwin 1001 hotel mortise cylinder plug the right part?
The Corbin Russwin 197K51 D3 plug is a commercial replacement part tied to the 1001 hotel mortise cylinder and offered in 606 satin brass and 626 satin chrome with D3 and D4 keyways. Storefront deadlocks are usually served by a different family: the Adams Rite 4024 cylinder pull mounts with a trim plate for MS1847 deadlock and deadlatch systems, the 4025 is a five pin tumbler cylinder pull with through-screws for the same MS1847, and the 4026 is a five pin tumbler cylinder pull for the 5017 wood door deadlock and deadlatch. Choose by the deadlock already in the door.
12) Is the 197K51 an aftermarket part or genuine Corbin Russwin?
Genuine Corbin Russwin cylinder part, supplied as an OEM replacement plug so the security and keying integrity of the original 1001 hotel cylinder assembly is preserved. No modification of the cylinder is required to fit it.
13) What is the closest option for a deadbolt cylinder instead of a hotel mortise plug?
The Corbin Russwin 197K51 restores a 1001 hotel mortise cylinder and does not serve a deadbolt. For deadbolt openings, the Kaba Ilco 1549 is a key-in-deadbolt cylinder in the 1549 series with a deadbolt function, and Medeco offers the 1012040 6-pin lazy motion rim cylinder for Kwikset single cylinder deadbolts and the 1075127 5-pin rim type lazy motion single cylinder for handlesets and deadbolts. Match the tailpiece and lock brand before ordering, since these are built around specific deadbolt chassis.
14) Is there a non-keyed cylinder that looks like the 197K51 plug but does not operate a lock?
Yes, and it is important not to confuse the two. The Corbin Russwin 197K51 D3 is a functional keyed plug that restores operation of the 1001 hotel mortise cylinder in the D keyway. The BEST 12E series dummy rim cylinder with a 1-5/32 inch diameter is a non-operating filler used where the appearance of a cylinder is wanted without a working lock. Order the 12E only for blank or inactive openings.
15) What cylinder fits an Emtek handleset instead of a Corbin Russwin hotel mortise cylinder?
The Corbin Russwin 197K51 plug is specific to the 1001 hotel mortise cylinder and has no Emtek application. For Emtek, the Emtek CY4 cylinder is sold each as a parts item, the Medeco 1065140 is a 5-pin retrofit cylinder for the Arrow JL interconnected lock and Emtek handleset and deadbolt outside cylinder, and the Medeco 1065244 is a 5-pin rim lazy motion cylinder supplied with an Emtek tailpiece. Pick based on whether you need the stock cylinder or a high security retrofit.
How fast can I get the Corbin Russwin 197K51 D4 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 197K51 D4 626 come with a warranty?
Absolutely. The Corbin Russwin 197K51 D4 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 197K51 D4 626?
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