Sargent 10-6340 Signature LFIC...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$391.67
Sargent Sargent Signature 10-6340 Series Mortise Cylinders SGT-10-6340

Sargent 10-6340 Signature LFIC Mortise Cylinders with Quick-Change Core Technology

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Model: SGT-10-6342 3
From the Signature Key System Collection
$391.67
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$391.67
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Sargent Signature LFIC Mortise Cylinders with Quick-Change Core Technology - Multiple Sizes Available

Professional Large Format Interchangeable Core Solution

The Sargent Signature 10-6340 Series LFIC mortise cylinders provide protected cylinder security with the convenience of quickly changing cores without lock disassembly. Available in multiple sizes including 1-1/4", 1-3/8", 1-1/2", and 1-3/4" configurations, these cylinders feature factory-installed 6300 cams that are permanently integrated for reliable operation. The system offers extensive compatibility across Sargent's 10-63 product lines for versatile key system management.

Professional Features & Benefits

  • Multiple Size Options: Available in 42 (1-1/4"), 43 (1-3/8"), 44 (1-1/2"), and 46 (1-3/4") sizes for compatibility with various door thicknesses and applications.
  • Quick-Change Core Technology: LFIC design allows rapid core changes without lock disassembly, reducing maintenance time and improving security management efficiency.
  • Factory-Installed Cam System: 6300 cams are permanently factory-installed and non-removable, ensuring consistent operation and eliminating field assembly requirements.
  • Extensive System Compatibility: Works with 10-63-34 rim cylinders, 10-63-11 line T-Zone locks, 10-63-10 line locks, and 10-63-7 line locks for comprehensive key system integration.
  • Protected Cylinder Design: Signature series construction provides enhanced security protection while maintaining LFIC convenience and functionality.
  • Custom Cam Configuration: Specify required cam as suffix (63-44-105 cam) or use standard cam with no suffix required for application flexibility.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

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

Why Choose Sargent Quality?

Sargent Signature LFIC mortise cylinders deliver professional-grade reliability with factory-installed cam systems and protected cylinder construction. The quick-change core technology and extensive compatibility across multiple Sargent lock lines provide efficient key system management for demanding commercial applications where dependable performance and security are essential.

Product Specs

Product Type:
Cylinders
Product Group:
Mechanical Locks
Product Subgroup:
Parts and Accessories
Subcategory:
Parts and Accessories
Commercial/Residential:
Commercial
Collection:
Signature Key System
Series:
40 Series
Parts and Accessories Type:
Replacement Parts
Product Attribute:
Parts and Accessories
Product Category:
Mechanical Locks
Department:
Door Hardware

Sargent SGT-10-6342 3 – Frequently Asked Questions

1) What size Sargent Signature LFIC mortise cylinder do I need for my door?
The 10-6340 Signature LFIC mortise cylinder comes in four lengths: 1-1/4 inch (size 42), 1-3/8 inch (43), 1-1/2 inch (44), and 1-3/4 inch (46). The length you need is driven by the door thickness and the lock case it threads into, not by the door alone. On a standard 1-3/4 inch commercial door with a mortise lock, the 1-1/4 inch cylinder is the common starting point; thicker doors and doors with heavy trim or armor plate push you to the longer bodies. Measure from the face of the trim ring to the cam tail on what you are pulling out and match that length.
2) Can I change the core on a Sargent 10-6340 cylinder without taking the lock apart?
That is the whole point of the large format interchangeable core design. A control key pulls the core out of the 10-6340 cylinder body and a new core drops in, with the lock still mounted in the door. For a property manager rekeying after a tenant turnover or a locksmith working a building full of openings, you rekey by swapping cores at the door instead of pulling mortise cases and repinning at the bench.
3) Which Sargent locks will the 10-6340 mortise cylinder key into?
It shares a key system with Sargent's 10-63-34 rim cylinders, the 10-63-11 line T-Zone locks, the 10-63-10 line locks, and the 10-63-7 line locks. That is what lets you run one Signature key system across mortise openings, cylindrical lever openings, and exit device rim cylinders in the same building instead of carrying separate keyways per hardware type.
4) Do I have to specify a cam when ordering a Sargent Signature mortise cylinder?
Cam choice is a required selection. Standard covers most mortise lock applications and needs no suffix. If your lock case calls for something else, the 10-6340 is offered with 101, 105, 106, 112, and 113 cams, specified as a suffix on the order. Get this right up front: the 6300 cam is factory installed and permanently fixed, so a cylinder that arrives with the wrong cam cannot be corrected in the field.
5) Will a Sargent Signature 10-6340 cylinder work in a rim exit device or a cylindrical lever lock?
No. The 10-6340 is a mortise cylinder, threaded to screw into a mortise lock case and drive it through a cam. A rim exit device takes a rim cylinder with a tailpiece, and Sargent's 10-63-34 rim cylinder is the matching part in the same Signature key system, so the same cores and keys carry across. Cylindrical lever locks in the 10-63-10 and 10-63-7 lines likewise take their own cylinder, keyed into the same system.
6) Can I get Sargent 10-6340 cylinders keyed alike across a building?
Keying is specified at order. The 10-6340 is available keyed different (KD) so every opening takes its own key, keyed alike (KA) so one key runs a group of doors, or standard keying. Institutional and MRO buyers standardizing a facility usually order KA in groups by zone, then rely on the interchangeable core to re-zone later without touching the lock bodies.
7) Is a large format interchangeable core cylinder the right choice, or should I use a conventional mortise cylinder?
Go LFIC when the building will be rekeyed repeatedly, has turnover, or has maintenance staff who need to pull access fast. The 10-6340 trades a slightly larger core footprint for the ability to swap keying at the door with a control key. A conventional mortise cylinder is the simpler pick for a handful of doors that will never be rekeyed, since it has to come out of the lock and go to a bench to be repinned. On a portfolio of openings the LFIC pays for itself the first time a key walks off.
8) Is the Sargent 10-6340 a residential or commercial cylinder?
Strictly commercial. It is a Signature key system component built for commercial openings, and the buyers it suits are those running key systems across office buildings, schools, healthcare, retail, warehouses, multi-tenant residential, and government facilities. If you are securing a single house door, this is more cylinder and more key system than the job needs.
How fast can I get the Sargent SGT-10-6342 3 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 Sargent SGT-10-6342 3 come with a warranty?
Absolutely. The Sargent SGT-10-6342 3 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 Sargent SGT-10-6342 3?
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 Sargent SGT-10-6342 3 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.
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