Sargent 10-3633 Standard SFIC Tailpiece - For 10X Mechanical Functions
The Sargent 10-3633 is a genuine OEM Standard SFIC Tailpiece engineered specifically for the Sargent 10X Line of mechanical cylindrical locks. This precision-machined component serves as the mechanical link between a Small Format Interchangeable Core (SFIC)—including 6-pin and 7-pin varieties—and the internal retractor of the 10X chassis. As a factory-certified Grade 1 part, the 10-3633 ensures that your SFIC-based key system operates with zero "slop," providing crisp and reliable latch retraction for high-traffic commercial and institutional doors.
Institutional Grade Features
- 10X Mechanical Optimization: Purpose-built for the mechanical architecture of the 10X series, ensuring the tailpiece timing is perfectly synchronized with the heavy-duty Grade 1 retractor.
- SFIC Specific Interface: Designed to seat securely into the rear "clover" or "star" drive of Sargent, Best, Falcon, or Arrow SFIC cylinders, preventing the mechanical binding often found with generic parts.
- Standard Door Range: Calibrated for use on doors with a thickness of 1-3/8" to 2", fitting the vast majority of standard commercial door preps.
- Hardened Steel Construction: Manufactured from high-strength alloys to resist the twisting torque and mechanical fatigue associated with high-frequency key access in schools and hospitals.
- Direct OEM Replacement: Using the 10-3633 ensures your hardware remains within factory specifications, maintaining your UL fire-ratings and Sargent’s institutional warranty.
Technical Specifications
- Manufacturer: Sargent (ASSA ABLOY)
- Model Number: 10-3633
- Compatible Series: Sargent 10X Line (Mechanical)
- Cylinder Type: Small Format Interchangeable Core (SFIC)
- Door Thickness: 1-3/8" - 2"
- Part Type: Standard Mechanical Tailpiece

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