Corbin Russwin 487K15 7-Pin X ...
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$67.00
$61.58
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Corbin Russwin 487K15 7-Pin X Class Mortise Cylinder Plug, 1-3/8" with 57A1 Keyway

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Model: 487K15 57A1 626

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

$67.00
$61.58
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Corbin Russwin 487K15 7-Pin X Class Mortise Cylinder Plug with 57A1 Keyway

The Corbin Russwin 487K15 is a commercial-grade 7-Pin X Class plug designed for 1-3/8" mortise cylinder applications. Featuring the 57A1 keyway and a Satin Brass finish, this replacement plug is engineered for precision compatibility with Corbin Russwin cylinder hardware in demanding commercial door security installations. Its X Class pin configuration delivers an elevated level of key control and security for facilities requiring restricted keyway management.

Key Features

  • 7-Pin X Class Configuration: Advanced X Class pin tumbler design provides enhanced key control and security performance for commercial applications.
  • 1-3/8" Mortise Cylinder Format: Precisely dimensioned at 1-3/8" for direct compatibility with standard mortise cylinder housings used in commercial door hardware.
  • 57A1 Keyway: Factory-specified 57A1 keyway ensures proper key engagement and compatibility with Corbin Russwin keying systems.
  • Satin Brass Finish: Durable Satin Brass finish provides corrosion resistance and a professional appearance consistent with commercial hardware aesthetics.
  • Genuine Corbin Russwin Cylinder Part: Manufactured as an authentic Corbin Russwin cylinder component, ensuring fit, form, and function consistent with original equipment specifications.
  • Commercial-Grade Construction: Built to meet the performance demands of high-traffic commercial environments including offices, institutions, and multi-tenant facilities.
  • Direct Replacement Compatibility: Designed as a replacement part for compatible Corbin Russwin mortise cylinder assemblies, simplifying service and maintenance workflows.

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: 487K15 57A1
  • Features: Corbin Russwin Cylinder Parts

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Government and Municipal Buildings
  • Multi-Tenant Residential Properties
  • Retail Establishments
  • Industrial and Warehouse Facilities

Why Corbin Russwin 487K15?

Corbin Russwin cylinder components are manufactured to exacting standards, ensuring seamless integration with existing Corbin Russwin mortise cylinder assemblies. The 487K15 plug's 7-Pin X Class configuration and 57A1 keyway specification reflect Corbin Russwin's commitment to precision engineering and reliable key control for commercial security applications. Facilities managers and locksmiths can depend on this genuine replacement part to restore original performance in Corbin Russwin-equipped doors.

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:
487K15 57A1
Features:
Corbin Russwin Cylinder Parts

Corbin Russwin 487K15 57A1 626 – Frequently Asked Questions

1) Will a 487K15 plug work in my Corbin Russwin cylinder if my system uses a different keyway?
No. The plug is milled for the 57A1 keyway, so it only accepts keys cut on that section. Dropping it into a housing on a different Corbin Russwin keyway means your existing keys will not enter. Order the plug in the keyway your system is already on, or rekey the opening to 57A1 across the board.
2) Is this the right part to bring one odd door back onto the building's master key?
Yes, that is the job it does. Swapping in a 487K15 7-pin X Class plug in the 57A1 keyway puts that cylinder on the same restricted section as the rest of the system, so a locksmith can pin it to the existing master and change key combination. It is a genuine Corbin Russwin cylinder component, so it goes back into the original housing without modifying the lock or the door.
3) I need a complete mortise cylinder, not just a plug — what should I order instead of the Corbin Russwin 487K15?
The 487K15 is a replacement plug for a 1-3/8 inch Corbin Russwin mortise cylinder, not a finished cylinder assembly, so it only helps if you already have a housing to rebuild. If you need a complete mortise cylinder for the door, the Adams Rite 4036 is a Grade 1 mortise cylinder with five-pin security, and the Detex MC65 is a 1-1/8 inch six-pin mortise cylinder cut to the Schlage C keyway. Both arrive as whole cylinders ready to thread into the lock case, while the 487K15 serves a locksmith rebuilding an existing Corbin Russwin cylinder to the 57A1 keyway.
4) Is the 487K15 plug the right part for a rim device, or do I need a rim cylinder?
The 487K15 is built to the 1-3/8 inch mortise cylinder format and will not serve a rim exit device. For rim applications, the Schlage 20-021 is a six-pin rim cylinder with a vertical tailpiece cam and the 20-022 is the same six-pin rim cylinder with a horizontal tailpiece cam, each supplied with two keys. Pick the cam orientation your device calls for; the mortise plug is a different mounting format entirely.
5) We want restricted key control across a campus — how does the 487K15 compare to an interchangeable core approach?
The 487K15 uses a 7-pin X Class configuration with the 57A1 keyway, which gives restricted key control but requires a locksmith to pull and rebuild the cylinder when keying changes. If you would rather rekey by swapping cores in seconds, the BEST 1CDF is a drill-resistant patented interchangeable core in a 7-pin brass 150 Series format, and the BEST 1CB is a Peaks 150 Series interchangeable core. The Schlage 20-057-C is a full size interchangeable core in the C keyway, finished 643E Aged Bronze. All three change the service model from rebuilding plugs to exchanging cores.
6) Will the 487K15 work in an aluminum storefront door with an Adams Rite deadlock?
The 487K15 is a Corbin Russwin mortise plug on the 1-3/8 inch format and is not the cylinder pull hardware a narrow stile storefront usually takes. For Adams Rite MS1847 deadlock and deadlatch openings, the 4024 cylinder pull mounts with a trim plate and the 4025 is a five pin tumbler cylinder pull that mounts with through-screws. On wood doors with the Adams Rite 5017 deadlock or deadlatch, the 4026 five pin tumbler cylinder pull is the matched part.
7) Does a 7-pin X Class plug fit a 6-pin Corbin Russwin cylinder housing?
Plan on matching pin count. The 487K15 is built as a 7-pin X Class plug, and pin chamber count and spacing have to line up with the housing you are putting it into. If your existing cylinders are 6-pin, source a 6-pin plug in your keyway rather than forcing this one.
8) Why choose an X Class plug for a school or hospital keying system?
X Class is a restricted, high key control platform. For a facility running a master key hierarchy across many doors, that means keys are not duplicated at a hardware store counter and the keyway stays under the facility's control. The 487K15 is the commercial-grade 7-pin X Class plug for 1-3/8 inch mortise cylinders, so you can service worn or rekeyed cylinders without breaking the restricted system.
9) I need a replacement cylinder for a Schlage or BEST opening, not Corbin Russwin. What should I look at?
The 487K15 plug is a Corbin Russwin part and will not serve a Schlage or BEST cylinder. For Schlage rim applications there are the 20-021 with vertical tailpiece cam and the 20-022 with horizontal cam, both 6-pin with two keys, plus the 20-057 6-pin FSIC rim cylinder with convertible cam. On the BEST side, the 1C5 standard 5-pin core and the 1CDF drill resistant patented 7-pin interchangeable core cover the small format interchangeable core route.
10) Can a 1-3/8 inch mortise cylinder plug be used in a rim cylinder?
No. Mortise and rim cylinders are different bodies with different lengths and cam or tailpiece arrangements, and the 487K15 is specified for 1-3/8 inch mortise cylinder housings. For rim work, look at a rim cylinder such as the Schlage 20-021 or 20-022, or the BEST 12E Series dummy rim cylinder at 1-5/32 inch diameter if you only need to fill a hole.
11) Is there a simpler, lower-pin-count cylinder option if we do not need X Class security?
The 487K15 carries a 7-pin X Class configuration for elevated key control. Where that level is more than the opening needs, the BEST 1C5 is a standard 5-pin cylinder core, the Adams Rite 4036 is a five-pin Grade 1 mortise cylinder, and the Falcon A23161-05 G is a 6-pin key-in-lever cylinder in the G keyway supplied keyed different with two cut keys. Those are conventional pinning rather than a restricted X Class system.
12) My lock is a key-in-knob or lever, not a mortise lock — what cylinder do I use?
The 487K15 plug fits Corbin Russwin mortise cylinder housings and does not go into a knob or lever chassis. For those, Kaba Ilco offers the 1539 universal key-in-knob and lever cylinder, the 1599 key-in-knob replacement cylinder, and the 1579 knob and lever cylinder made for Sargent locks. Falcon's A23161-05 G is a key-in-lever cylinder in the RU/T Series with a 6-pin G keyway. Match the cylinder to the lock chassis brand you are servicing.
13) Can the 487K15 be used as a blank filler where no key function is needed?
No — the 487K15 is a functioning 7-pin X Class plug keyed to the 57A1 keyway, meant to restore key operation in a Corbin Russwin mortise cylinder. Where you only need the look of a cylinder with no keying, the BEST 12E Series dummy rim cylinder at 1-5/32 inch diameter is the part built for that purpose.
14) What should I order for a residential deadbolt or handleset instead of the 487K15?
The 487K15 is a commercial Corbin Russwin mortise plug and is not intended for residential deadbolt or handleset bodies. Medeco covers those: the 1012040 is a 6-pin lazy motion rim cylinder for Kwikset single cylinder deadbolts, the 1075127 is a 5-pin rim type lazy motion single cylinder for handlesets and deadbolts, the 1065244 is a 5-pin rim lazy motion cylinder supplied with an Emtek tailpiece, and the 1065140 is a 5-pin retrofit cylinder for Arrow JL interconnected locks and Emtek handleset and deadbolt outside cylinders. Emtek also lists the CY4 cylinder sold each.
15) What is the difference between the 487K15 plug and a Schlage 20-057 FSIC rim cylinder?
The 487K15 is a 7-pin X Class mortise cylinder plug in the 1-3/8 inch format, keyed to the 57A1 keyway and serviced by rebuilding the Corbin Russwin cylinder it sits in. The Schlage 20-057 is a 6-pin full size interchangeable core rim cylinder with a convertible tailpiece cam and two keys, so it mounts to a rim device and is rekeyed by pulling the core with a control key. They serve different mounting formats and different rekeying workflows.
16) What finishes does the 487K15 mortise cylinder plug come in?
Two: 606 Satin Brass and 626 Satin Chrome. Pick to match the cylinder collar and the lock trim already on the door, since the plug face is the visible part once the cylinder is back in the mortise.
17) We stock 626 Satin Chrome hardware — does the 487K15 match, or do I need a different brand?
The 487K15 plug is offered in 606 Satin Brass and 626 Satin Chrome, so a Satin Chrome building standard is covered without going outside Corbin Russwin. If you are matching an aged bronze opening instead, the Schlage 20-057-C full size interchangeable core is listed in 643E Aged Bronze, though it is a C keyway FSIC core rather than a Corbin Russwin mortise plug.
18) I need a cylinder for a deadbolt function — is the 487K15 correct?
The 487K15 is a plug for a Corbin Russwin mortise cylinder rather than a deadbolt-specific cylinder. Kaba Ilco lists cylinders with a deadbolt product function, including the 1549 Series key-in-deadbolt cylinder and the 1539 Series universal cylinder. Those are the parts to specify when the chassis is a deadbolt.
How fast can I get the Corbin Russwin 487K15 57A1 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 487K15 57A1 626 come with a warranty?
Absolutely. The Corbin Russwin 487K15 57A1 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 487K15 57A1 626?
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