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Sargent 70-43 Mortise Cylinder (SFIC) – Professional Core-Ready Solution
The Sargent 70-43 Mortise Cylinder (SFIC) is a high-performance interchangeable core housing designed to streamline security management in commercial and institutional facilities. This 1-3/8" solid brass cylinder is specifically engineered to accept Small Format Interchangeable Cores (SFIC) from industry-standard systems including Best, Arrow, and Falcon. By utilizing the 70-prefix disposable plastic core, facility managers are provided with a construction-phase solution, allowing doors to be operated with a simple coin or screwdriver during building projects before the final, permanent high-security cores are installed.
As a comprehensive access control solution, the Sargent 70-43 is furnished standard with a No. 97 (1/4" Trim Ring) rosette and a compression spring. This setup provides a stabilization solution, ensuring the SFIC core remains seated firmly within the housing regardless of high-frequency use. Whether you are outfitting a new university wing or retrofitting a hospital, this SFIC mortise cylinder offers a rapid-rekeying solution, allowing security personnel to change the locks across an entire facility in seconds without ever removing the cylinder housing from the door.
Mechanical Utility & ANSI Security Summary
The 70-43 housing acts as the structural interface between your facility’s master key system and the mortise lock body:
- SFIC Compatibility: Designed as a universal housing solution for 6-pin and 7-pin Small Format Interchangeable Cores, providing maximum flexibility for multi-brand key systems.
- Disposable Construction Core: The included plastic core serves as an operational efficiency solution, allowing subcontractors access during construction without risking the loss or duplication of final master keys.
- ANSI/BHMA Grade 1 Durability: Manufactured to meet the rigorous standards of ANSI/BHMA A156.5, this solid brass housing provides a high-security solution capable of resisting physical attacks and extreme environmental wear.
- Factory-Installed Cam: The Sargent 13-0664 offset cam is factory-riveted for a fail-safe mechanical solution, preventing the cam from loosening—a common cause of lock failure in high-traffic commercial openings.
Technical Specifications
| Feature | Details |
| Model Number | Sargent 70-43 |
| Cylinder Length | 1-3/8" (35 mm) |
| Cylinder Diameter | 1-15/32" (Standard Mortise) |
| Core Prep Type | SFIC (Small Format Interchangeable Core) |
| Included Trim | No. 97 Rosette (1/4" Thick) |
| Standard Cam | Sargent 13-0664 Offset Cam (Non-Removable) |
| Construction Phase | Disposable Plastic Core Included (70-Prefix) |
| Material | Heavy-Duty Solid Brass |
| Manufacturer | Sargent (ASSA ABLOY) |
Engineered Solutions for Facility Security Managers
The Sargent 70-43 provides targeted technical answers to the logistical challenges of large-scale hardware management:
- Seamless SFIC Integration: If your facility currently utilizes Best or Falcon cores, the 70-43 is the primary compatibility solution for installing those cores into Sargent 8200 Series mortise locks or other high-quality mortise bodies.
- Low-Maintenance Installation: The included compression spring and 1/4" trim ring act as a perfect-fit solution, taking up the slack in the door prep to ensure a flush, professional appearance that doesn't rattle or vibrate.
- Cost-Effective Security Transitions: Because the housing stays on the door, this is the ultimate long-term ROI solution. When a tenant moves or a key is compromised, you only replace the core, significantly reducing labor and hardware replacement costs.
- Vandal-Resistant Design: The solid brass construction and threaded mortise design provide a perimeter defense solution, making the cylinder highly resistant to pulling, drilling, or wrenching attacks.
- Architectural Finish Matching: Available in a wide array of Sargent finishes, this cylinder provides a design-unified solution, ensuring your high-security hardware matches the rest of the building's aesthetic perfectly.
| General - US Finishes | US26D - Satin Chrome or US32D - Satin Stainless Steel/ 630 or US3 - Polished Brass or US10 - Satin Bronze or US10B - Oil Rubbed Bronze |
| Brand | Sargent |
| Cylinder Type | Mortise Cylinder |
| Cylinder Length | 1-3/8" |
| Cylinder Options | SFIC |
| Sargent Mortise Cams | Standard |
| Key Length | 7 Pin |
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