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Schlage Primus XP FSIC Interchangeable Core — Model 20-740-XP
The Schlage 20-740-XP is a Full Size Interchangeable Core (FSIC) built on the Primus XP high-security platform. Designed for commercial masterkey systems, this core drops into any FSIC-compatible Schlage lock body and can be swapped or rekeyed using a control key — no disassembly, no locksmith on-site, no downtime. Finished in Satin Chrome (626) to match standard commercial hardware.
Primus XP Security Features
- Primus XP sidebar technology provides a second layer of key authentication beyond standard pin tumbling, defeating unauthorized key duplication and bump attacks
- Keys cannot be duplicated without factory authorization — critical for facilities managing access across multiple buildings or tenants
- ANSI/BHMA Grade 1 commercial-grade construction
FSIC System Compatibility
- Full Size Interchangeable Core (FSIC) format — compatible with Schlage FSIC-ready lock bodies
- Control key removal and installation: cores swap in seconds without tools, enabling rapid rekeying during tenant turnover or security events
- Available in multiple Schlage Primus XP keyways: S123, S124, S135, S145, T125, T145, T234 — select the keyway that matches your existing masterkey system
Specifications
- Model: 20-740-XP
- Core Type: Full Size Interchangeable Core (FSIC)
- Security Series: Primus XP
- Finish: Satin Chrome (626)
- Application: Commercial masterkey and grandmaster systems
Manufacturer Resources
Product Specs
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Parts and Accessories
- Product Type:
- Cylinders
- Commercial/Residential:
- Commercial
- Subcategory:
- Parts and Accessories
- Parts and Accessories Type:
- Replacement Parts
- Product Attribute:
- Parts and Accessories
- Product Model:
- 20-740
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware
Schlage 20-740-XP S123 626 – Frequently Asked Questions
How fast can I get the Schlage 20-740-XP S123 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 20-740-XP S123 626 come with a warranty?
Absolutely. The Schlage 20-740-XP S123 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 20-740-XP S123 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 Schlage 20-740-XP S123 626 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.