Schlage Commercial 20-059 1-1/...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$105.00
$62.81

Schlage Commercial 20-059 1-1/2 In. FSIC Mortise Housing, Straight Cam

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Model: 20-059 626
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$105.00
$62.81
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Schlage Modular Cylider Overview

One cylinder is the foundation for every lock you need, add more flexibility with less inventory dollars, and make your job easier, faster and more profitable.
Now you can service almost any lock on any door with just one cylinder. Simply by adding or changing the front and back housing you can convert a modular cylinder into multiple cylinder types, including mortise, rim and key-in-lever. The revolutionary Schlage® Modular cylinder will dramatically reduce your inventory because you will be able to make almost any cylinder type from a series of modular components and parts.
Now, one cylinder changes everything.

Our modular cylinder is the foundation for every lock you neeS

  • One cylinder converts to three differnt cylinder types by changing the tailpiece, cam or rear housing
  • Accomadates thicker doors with six available lengths of rear housing sizes
  • Front housing available in all finishes to match the locks
  • Supports interchangeability between Everest 29™, Primus®XP, and Classic key systems
  • Fewer parts required to fill orders means less inventory and lower costs
  • Never be caught on the job without the right part

One cylinder really does fit all

Thanks to the extraordinary versatility of the Schlage® modular cylinder you’ll never be caught on the job again without the right part. You’ll be able to assemble almost any Schlage cylinder on the spot, while providing your customers the same security, toughness and quality that has made Schlage one of the best names in the business.

  • Adaptable to mortise, rim and key-in-lever or key-in-knob applications
  • Available in all Schlage keyways, including Everest 29TM and Primus® XP


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Schlage Key Systems, Cylinders and Keys Catalog

Manufacturer Resources

Product Specs

Subcategory:
Parts and Accessories
Cam Type:
Straight
Warranty:
3 Year
Product Group:
Parts and Accessories
Product Subgroup:
Cylinders
Commercial/Residential:
Commercial
Cylinder and Keyways:
L583-255 Cam
Lock Type:
Mortise
Product Type:
Cylinders
Compatibility:
Exit Bars
Parts and Accessories Type:
Replacement Parts
Product Attribute:
Parts and Accessories
Product Model:
20-059
Product Function:
SFIC Mortise Housing/Shell
Door Hand Direction:
Non-Handed
Product Category:
Mechanical Locks
Product Substrate:
Stainless Steel
Department:
Door Hardware

Schlage 20-059 626 – Frequently Asked Questions

1) What does the Schlage 20-059 mortise housing actually include, and do I need to buy a core separately?
The 20-059 is the mortise housing (shell) only, part of Schlage's modular cylinder system. It takes a full-size interchangeable core, which is a separate purchase, and it ships with the straight cam already specified. If you already stock FSIC cores for your building, this is the shell that turns one of them into a mortise cylinder.
2) Can I use my existing Schlage keyway with this housing, or am I locked into one key system?
The modular cylinder platform behind the 20-059 supports interchangeability between Everest 29, Primus XP, and Classic key systems, and is available in all Schlage keyways. That means a building already keyed on one of those systems can pick up this housing without changing its key system, which is the usual reason a property manager or facility locksmith gets stuck.
3) I need a 1-1/2 inch mortise cylinder with a straight cam but I'm not on Schlage keying. What else is there?
The Corbin Russwin 1000 Series mortise cylinder is a 1-1/2 inch Grade 1 cylinder with an A02 straight cam, so it covers the same straight-cam mortise application on Corbin Russwin keying. Worth knowing the difference: the Schlage 20-059 is a housing that accepts a separate full-size interchangeable core, while the CR1000 is a complete cylinder. If you want interchangeable core on the Corbin side instead, the 1080 Series is a 1-1/2 inch LFIC mortise cylinder, but it carries an A01 cloverleaf cam for Schlage L9000 mortise locks, not a straight cam for an exit device.
4) Can I use a BEST interchangeable core cylinder in place of the Schlage 20-059?
They are not interchangeable as ordered, and they are not even the same piece of the assembly. The Schlage 20-059 is the mortise housing - the shell the core drops into - and BEST 1C5 is a standard 5-pin cylinder core, while BEST 1CB is a 150 Series interchangeable core cylinder and BEST 1CDF is a drill-resistant patented 7-pin brass interchangeable core in the 150 Series. A BEST figure-eight core and a Schlage FSIC housing are different core formats, so a BEST core does not seat in the 20-059. If the building is keyed on BEST, house the core in BEST hardware rather than mixing.
5) What is the closest cross-brand equivalent to the Schlage 20-059 1-1/2 inch mortise housing with a straight cam?
The Corbin Russwin 1000 Series mortise cylinder, part CR1000-112, is the nearest match on the two dimensions that decide fit at a mortise lock: it is a 1-1/2 inch length and it carries an A02 straight cam, the same straight cam form the Schlage 20-059 uses. The Corbin Russwin part is a Grade 1 Series cylinder. Confirm the keyway and key system your building is on before swapping, since the two run different key systems - the Schlage housing supports Everest 29, Primus XP, and Classic.
6) The mortise lock needs a cloverleaf cam, not a straight cam - what should I order instead of the 20-059?
Order a cloverleaf-cam housing rather than the Schlage 20-059, which is built around a straight cam. Corbin Russwin CR1070-114-A01 is a 1-1/4 inch 6-pin mortise housing with an A01 cloverleaf cam. Corbin Russwin CR1080-112-A01 is a 1-1/2 inch LFIC mortise cylinder, 6-pin, with an A01 cloverleaf cam, and Corbin Russwin lists it for Schlage L9000 mortise locks. Cam form and length both have to match the lock case, so pick by the length your lock takes as well as the cam.
7) I want a complete mortise cylinder, not a housing I have to build up with a core - what are my options?
The Schlage 20-059 is a housing shell that takes a separate interchangeable core, which is what makes it modular: change the front housing, rear housing, cam or tailpiece and one cylinder becomes a mortise, rim or key-in-lever cylinder. If you would rather buy the cylinder as one finished piece, the Adams Rite 4036 is a mortise cylinder with five-pin security, Grade 1, in the 4036 Series, and the Detex MC65 is a 1-1/8 inch 6-pin commercial grade mortise cylinder cut to the Schlage C keyway. The one-piece route means stocking a separate cylinder per length and cam; the modular route means stocking components.
8) My exit device takes a rim cylinder, not a mortise housing - what do I order?
The Schlage 20-059 is a mortise-type housing, listed for exit bar compatibility, so it fits exit devices prepped for a mortise cylinder. Devices prepped for a rim cylinder take a different housing: Corbin Russwin 3070-178 is a 6-pin rim cylinder housing with a 1-7/8 inch tailpiece, and BEST 12E Series offers a dummy rim cylinder at 1-5/32 inch diameter where the trim needs a filler rather than a working cylinder. Check the device's cylinder prep - rim and mortise preps are not cross-compatible.
9) Does the Schlage 20-059 have a hand, or do I need to specify left or right?
Non-handed. The 20-059 mortise housing installs the same on a left or right hand door, so you don't specify handing when ordering. The only choices to make are finish and, if you are building the cylinder out, the core and keyway.
10) What finishes does the Schlage 20-059 mortise housing come in?
Eleven finishes, so the cylinder face can be matched to the lock rather than standing out on the door: 605 bright brass, 606 satin brass, 609 antique brass, 612 satin bronze, 613 oil rubbed bronze, 619 satin nickel, 622 matte black, 625 bright chrome, 626 satin chrome, 626AM satin chrome antimicrobial, and 643E aged bronze. The 626AM antimicrobial option is the one healthcare and education buyers usually want when standardizing a facility.
11) Can this housing be converted to a rim or key-in-lever cylinder later?
The Schlage modular cylinder converts between mortise, rim, and key-in-lever or key-in-knob by changing the tailpiece, cam, or rear housing. The 20-059 is the mortise configuration with a straight cam, so it is the mortise leg of that system. For a locksmith carrying stock on the truck, that is the point of the platform: one core plus the right front and back housing covers most of the calls.
12) Which cam does the Schlage 20-059 take if I need to order a replacement?
The 20-059 uses the L583-255 straight cam. Cam identity is what decides whether the cylinder actually throws the lock, so if you are pulling a cam from stock rather than using the one supplied, that is the number to match.
13) Can I standardize a whole building on this housing to cut down what I carry in stock?
That is what the modular platform is built for. One core type covers mortise, rim, and key-in-lever by swapping the front housing, cam, tailpiece, or rear housing, so a facility maintenance shop carries a series of components instead of a bin of finished cylinders for every lock type. The 20-059 covers the mortise/exit bar side of that program in eleven finishes, so the same program works across openings that don't share a finish.
14) I am working on an aluminum storefront with an Adams Rite deadlock - does the Schlage 20-059 work there?
For a narrow-stile storefront running an Adams Rite MS1847 deadlock, the parts built for that system are the cylinder pulls: Adams Rite 4024 is a cylinder pull with trim plate mounting for MS1847 deadlock systems, and Adams Rite 4025 is a five pin tumbler cylinder pull with through-screws for the MS1847. On a wood door, Adams Rite 4026 is the five pin tumbler cylinder pull for the 5017 wood door deadlock/deadlatch. The Schlage 20-059 is a mortise housing for commercial mortise applications and exit bars, a different opening type from a narrow-stile MS deadlock.
15) The door has a knob or lever lock rather than a mortise lock - is the 20-059 still the right part?
No. The Schlage 20-059 is configured as a mortise housing with a straight cam, which is the mortise-lock form. For knob and lever locks the replacement cylinder is a different body: Kaba Ilco 1539 Series is a key-in-knob and lever universal cylinder, Kaba Ilco 1599 is a key-in-knob replacement cylinder, Kaba Ilco 1579 is a knob and lever cylinder for Sargent, and Falcon A23161-05 G is a key-in-lever cylinder, RU/T Series, 6-pin G keyway, keyed different with two cut keys. Match the cylinder to the lock body you actually have.
16) Which of these is the right cylinder for a deadbolt, and is the 20-059 one of them?
The Schlage 20-059 is a mortise housing, not a deadbolt cylinder. For deadbolt applications, Kaba Ilco 1549 Series is a key-in-deadbolt cylinder, Medeco 1012040 is a 6-pin lazy motion rim cylinder for Kwikset single cylinder deadbolts, Medeco 1075127 is a 5-pin rim type lazy motion single cylinder for handlesets and deadbolts, and Medeco 1065140 is a 5-pin retrofit cylinder for the Arrow JL interconnected lock and Emtek handleset and deadbolt outside cylinder. Those are keyed to the deadbolt body, not to a mortise lock case.
17) We are standardizing a mixed facility on one cylinder platform - how does the Schlage modular housing compare with buying a fixed cylinder per lock type?
The Schlage 20-059 belongs to a modular program where one cylinder converts to three cylinder types by changing the tailpiece, cam or rear housing, with six rear housing lengths for thicker doors and front housings in finishes to match the locks - the 20-059 alone comes in eleven finishes from 605 bright brass through 626AM satin chrome antimicrobial and 622 matte black. It supports Everest 29, Primus XP and Classic key systems on the same platform. Fixed cylinders take the other approach: Adams Rite 4036 is a Grade 1 five-pin mortise cylinder in one configuration, and Detex MC65 is a 6-pin commercial grade mortise cylinder fixed at 1-1/8 inch on the Schlage C keyway. Standardizing on modular means stocking components across lengths and cams; standardizing on fixed cylinders means a distinct part number for each combination.
18) What is the Schlage 20-059 housing made of, and will it hold up on a high traffic door?
Stainless steel construction, and it is a commercial-rated part rather than a residential one. On an exit device in a school, hospital, or multi-family entry, that is the material you want at the cylinder face where keys and weather work on it daily.
19) Is the Emtek CY4 a substitute for the Schlage 20-059?
No. The Emtek CY4 is a residential-line cylinder sold as a single piece, and Medeco 1065244 is a 5-pin rim lazy motion rim type cylinder with an Emtek tailpiece for that same family of hardware. The Schlage 20-059 is a commercial stainless steel mortise housing with a straight cam. Emtek-pattern cylinders are matched to Emtek handlesets and deadbolts, not to a commercial mortise lock case.
How fast can I get the Schlage 20-059 626 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 Schlage 20-059 626 come with a warranty?
Absolutely. The Schlage 20-059 626 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 Schlage 20-059 626?
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
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