Sargent 10-3773 Standard LFIC Tailpiece - For 10X Electrified Functions
The Sargent 10-3773 is a genuine OEM Standard LFIC Tailpiece specifically engineered for the Sargent 10X Line of electrified cylindrical locks. This precision-machined part is designed to interface exclusively with Large Format Interchangeable Core (LFIC) cylinders, providing the mechanical connection needed to actuate the lock chassis. In electrified applications, the 10-3773 ensures that your mechanical key override remains 100% reliable, allowing for emergency egress or manual access even when power is lost to the door.
Institutional Grade Features
- LFIC Specific Engineering: Purpose-built to seat perfectly into the rear of a Sargent LFIC cylinder, providing the exact geometry required to retract the latch in electrified 10X chassis.
- Electrified Series Optimization: Calibrated for the unique internal timing of 10X electrified functions, preventing mechanical binding during solenoid actuation.
- Standard Door Range: Designed for use on doors with a thickness of 1-3/8" to 2", covering the vast majority of commercial storefronts and institutional corridor doors.
- Grade 1 Mechanical Linkage: Manufactured from high-strength hardened alloys to withstand the torque of frequent key-based access in high-security environments.
- Direct OEM Replacement: Restores factory-spec performance to your electrified hardware, ensuring the maintenance of UL fire-ratings and Sargent’s institutional warranty.
Technical Specifications
- Manufacturer: Sargent (ASSA ABLOY)
- Model Number: 10-3773
- Compatible Series: Sargent 10X Line (Electrified)
- Cylinder Type: Large Format Interchangeable Core (LFIC)
- Door Thickness Compatibility: 1-3/8" - 2"
- Part Type: Mechanical Tailpiece / Cylinder Linkage

| Brand | Sargent |
| Series | Sargent - 10X Line |
| Key Length | 6 Pin |
| Cylinder Part Type | Tailpiece |
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