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Model: SCH-B520-722
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Schlage B520-727 Cylinder Back Housing for Modular Rim Cylinder
The Schlage B520-727 is a genuine OEM replacement back housing designed for use with Schlage modular rim cylinders. This commercial-grade cylinder housing component ensures proper fit and function within compatible Schlage cylinder assemblies, making it an essential replacement part for maintaining the integrity of your existing door hardware installation. Engineered to Schlage's exacting standards, the B520-727 back housing is a purpose-built component for professional door hardware service and maintenance.
Key Features
- Genuine Schlage OEM Component: Authentic Schlage replacement part engineered to meet original manufacturer specifications for reliable fit and performance.
- Modular Rim Cylinder Compatibility: Specifically designed for use with Schlage modular rim cylinder assemblies, ensuring seamless integration with existing hardware.
- Commercial-Grade Construction: Built to the durability standards expected in commercial door hardware applications where consistent performance is critical.
- Direct Replacement Part: Restores cylinder housing function without the need to replace the entire cylinder assembly, reducing maintenance costs.
- Professional Serviceability: Supports field service and repair of Schlage modular rim cylinder installations by qualified door hardware technicians.
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: Cylinder Housing
- Parts and Accessories Type: Replacement Parts
- Commercial/Residential: Commercial
- Product Model: B520-727
- Features: Schlage Parts
Typical Applications
- Commercial Office Building Door Hardware Maintenance
- Educational Facility Lock Servicing and Repair
- Healthcare Institution Door Hardware Upkeep
- Retail Establishment Security Hardware Maintenance
- Government and Municipal Building Lock Servicing
- Industrial and Warehouse Facility Door Hardware Repair
- Multi-Tenant Residential Property Hardware Maintenance
Why Schlage B520-727?
Schlage is a trusted name in commercial door hardware, and the B520-727 back housing reflects the same precision engineering found across the Schlage product line. As a genuine OEM replacement component, it provides the exact fit and material quality required to restore a modular rim cylinder assembly to proper operating condition. For facilities managers and service technicians who depend on consistent hardware performance, specifying genuine Schlage replacement parts like the B520-727 is the professional standard.
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:
- Cylinder Housing
- Parts and Accessories Type:
- Replacement Parts
- Commercial/Residential:
- Commercial
- Product Model:
- B520-727
- Features:
- Schlage Parts
Schlage B520-727 – Frequently Asked Questions
1) What exactly is the Schlage B520-727 part, the whole cylinder or just a piece of it?
It's just the back housing, not a complete cylinder. The B520-727 is the OEM housing component that a Schlage modular rim cylinder assembles into, so you still need the plug, pins, tailpiece and any cam or ring the assembly calls for. If you need a working keyed cylinder out of the box, this isn't it.
2) Will the B520-727 housing work with any rim cylinder, or only Schlage?
Only Schlage modular rim cylinders. The housing is a genuine OEM part built to Schlage's own dimensions for that modular rim family, so other brands' rim cylinders won't seat in it correctly.
3) If I need an interchangeable core housing instead of a Schlage modular rim cylinder back housing, what should I look at?
The Schlage B520-727 is a back housing for Schlage modular rim cylinder assemblies, so it only serves a rim cylinder build. For an opening that needs to accept an interchangeable core instead, the Kaba Ilco R2800 Series is a small format IC core convertible housing, and the Kaba Ilco S26506 is a large format IC core convertible housing in the mortise configuration. Choose by the core format your keying system already uses - small format for SFIC, large format for LFIC.
4) Can I use a Kaba Ilco S26506 in place of a Schlage B520-727?
No. The S26506 is a mortise large format IC core convertible housing sized for Schlage-format cores, so it mounts in a mortise lock body prep and accepts a full interchangeable core. The B520-727 is the back housing portion of a Schlage modular rim cylinder assembly. They serve two different cylinder types, so the S26506 is not a drop-in for a rim cylinder repair even though it carries a Schlage size reference.
5) Can I use this to repair a rim cylinder instead of replacing the whole thing?
That's the point of it. If the plug and pinning are fine and the housing is what's damaged or worn, swapping in the B520-727 restores the assembly without buying a complete new cylinder, which is why it's stocked as a service part for field repair.
6) I need an interchangeable core housing rather than a Schlage modular rim part. What else is there?
Different animal, and the B520-727 won't do it. For IC core work, Kaba Ilco offers the R2800 Series small format IC core convertible housing, and the S26506 large format IC core convertible housing in a mortise function, Schlage size. Pick by core format first, small format versus large format, then by mortise or rim.
7) How do I order the B520-727, are there finish or keyway options to pick?
There's one configuration, ordered as B520-727 with no finish, keyway or handing choice to specify. Keying and keyway are decided by the cylinder plug you build into it, not by the housing.
8) We are standardizing a campus on small format cores - does the Schlage B520-727 fit that plan?
The B520-727 is an OEM replacement back housing that restores an existing Schlage modular rim cylinder assembly rather than converting it to a core system. If the goal is to bring openings onto a small format interchangeable core program, the Kaba Ilco R2800 Series is a small format IC core convertible housing. Keep the B520-727 on hand for service of the modular rim cylinders you intend to leave in place.
9) What is the difference between the Kaba Ilco R2800 and S26506 housings when I am shopping alongside the Schlage B520-727?
The R2800 Series is a small format IC core convertible housing and the S26506 is a large format IC core convertible housing built to Schlage core size in the mortise configuration. Both are core-accepting housings; the split between them is the core format and, for the S26506, the mortise function. The Schlage B520-727 sits apart from both as a back housing component for Schlage modular rim cylinder assemblies, intended for repair of that assembly rather than a core conversion.
10) Is the B520-727 housing rated for commercial door traffic or is it a residential part?
It's a commercial part. Schlage classes the B520-727 under commercial door hardware, and it's used for servicing locks in offices, schools, healthcare facilities, retail, government buildings, warehouses and multi-tenant residential properties.
How fast can I get the Schlage B520-727 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 B520-727 come with a warranty?
Absolutely. The Schlage B520-727 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 B520-727?
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 Schlage B520-727 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
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every order.
Our team is always ready to help you choose the right product for your project.