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Sargent 13-3425 Cylinder Barrel (US15) – Legacy 8-Line Maintenance Solution
The Sargent 13-3425 Cylinder Barrel is a specialized internal component engineered specifically for the Sargent C8-1 Cylinder, which serves as the core for the now-discontinued Sargent 8-Line and 9-Line series knob locksets. As these high-traffic, heavy-duty bored locks age, the internal barrel (or plug) can experience wear in the pin chambers or across the keyway, leading to "sticky" operation or total mechanical failure. This replacement hardware solution allows facility managers to restore the precise mechanical action of their existing legacy hardware without the extensive cost and labor of replacing the entire lock chassis.
Crafted from high-tensile brass with a durable US15 (Satin Nickel) plated face, the 13-3425 barrel is a critical security restoration solution. Because the 8-Line series was a staple in institutional environments like hospitals and schools for decades, maintaining these locks is essential for both budget and historical consistency. Available in a wide array of specialized Sargent keyways (including the L, R, H, and S families), this barrel ensures that your master key system integrity remains intact while providing a smooth, reliable "factory-new" feel to the lock's rotation.
Keyway Compatibility & Inventory Alert
The Sargent 13-3425 is a rare, limited-quantity component for legacy systems. It is currently available in the following specific keyways to support your facility's unique keying requirements:
- L-System Keyways: LA, LC, LF, LG, LK, LL
- R-System Keyways: RF, RG, RJ, RK, RL
- H-System Keyways: HA, HC, HE, HJ
- Independent Keyways: U, S
Note: These barrels are subject to limited stock availability. Due to the discontinued status of the Sargent 8-Line, these parts are primarily sourced for specialized repairs where a full lock replacement is not feasible.
Technical Specifications
| Feature | Details |
| Model Number | Sargent 13-3425 |
| Compatible Cylinder | Sargent C8-1 (Used in 8-Line & 9-Line Knob Locks) |
| Finish | US15 (Satin Nickel Plated, Clear Coated) |
| Lock Series | 8-Line (Discontinued) and 9-Line Series |
| Material | Solid Brass Core with Plated Face |
| Pin Configuration | Standard 6-Pin |
| Function | Internal Cylinder Plug / Barrel Assembly |
| Manufacturer | Sargent (ASSA ABLOY) |
Mechanical Utility & ANSI Security Summary
The cylinder barrel is the mechanical "heart" of a bored-in lockset, serving as the interface between the facility's security credentials and the locking chassis.
- Rotational Timing: The 13-3425 barrel ensures the plug rotates exactly within the cylinder shell, providing the smooth-operation solution required for high-frequency institutional doors.
- ANSI/BHMA Grade 1 Heritage: The 8-Line series was originally certified to ANSI/BHMA A156.2 Grade 1 standards. Replacing worn barrels with genuine Sargent OEM parts ensures the lock continues to meet these high durability and security benchmarks.
- Shear Line Precision: Precision-drilled pin chambers prevent "key drag" and ensure that the pins meet exactly at the shear line, acting as a reliability solution that minimizes cylinder jams.
- Master Key Integrity: In complex facilities, the keyway profile is vital. The availability of diverse Sargent keyways allows for a seamless integration solution into existing grand master key systems.
Engineered Solutions for Legacy Hardware Management
The Sargent 13-3425 provides targeted solutions for long-term facility maintenance:
- Hardware Life-Cycle Extension: Rather than a full-door retrofit, which often requires drilling or modifying the door for new lever sets, this barrel acts as a sustainability solution, extending the useful life of existing 8-Line hardware.
- Rekeying Efficiency: In the event of lost keys or security breaches, this barrel serves as a rapid rekeying solution, allowing maintenance teams to swap the plug and pins without removing the entire lock from the door.
- Aesthetic Preservation: The US15 Satin Nickel finish on the barrel face ensures a design-matching solution, blending perfectly with existing trim and providing a clean, professional appearance.
- Budget-Friendly Maintenance: Replacing only the internal barrel is a significant cost-saving solution, reducing the material expenditure for large-scale facility maintenance.
| Sargent Keyways | LA Keyway or LC Keyway or LF Keyway or LG Keyway or LK Keyway or LL Keyway or RF Keyway or RG Keyway or RJ Keyway or RK Keyway or RL Keyway or S Keyway or U Keyway or HA Keyway or HC Keyway or HE Keyway or HJ Keyway |
| Brand | Sargent |
| Series | Sargent - 8 Line - Discontinued |
| Cylinder Part Type | Barrel |
| Key Length | 5 Pin, 6 Pin |
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