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Sargent 465 Single Cylinder Deadlock – LA Keyway
The Sargent 465 Single Cylinder Deadlock is a heavy-duty commercial deadbolt designed for doors where key entry from one side and thumbturn operation from the other is required. Engineered to meet the demands of institutional, commercial, and multi-family applications, the 465 series delivers reliable, code-compliant dead-bolt security in a proven mortise-compatible format. This listing specifies the LA keyway, Sargent's standard open-conventional keyway, making it straightforward to integrate into existing Sargent-keyed facilities or new installations.
Function Overview
The Sargent 465 is a single cylinder deadlock — key operation from the outside cylinder projects and retracts the deadbolt, while a thumbturn on the inside provides manual control. This function corresponds to an ANSI/BHMA F17-style deadlock (key outside retracts and projects; thumbturn inside retracts and projects), making it well-suited for store doors, office entries, and any application requiring independent deadbolt control without a latch mechanism.
Because the deadlock operates the bolt independently of any latch, it is commonly used as a secondary or auxiliary lock on commercial entry doors, stairwell doors, and storage rooms where positive bolt engagement is required.
Key Features & Benefits
- Single cylinder with thumbturn: Key control from outside; convenient manual operation inside — ideal for offices, retail, and light institutional use
- LA Keyway: Open-conventional Sargent keyway; compatible with standard Sargent key systems and easily incorporated into existing master key programs
- Commercial-grade construction: Built to Sargent's commercial standards for durability in high-cycle door applications
- Deadlock (deadbolt-only) function: No latch bolt — the deadbolt operates independently, providing a positive mechanical lock without interference from a latch mechanism
- Mortise-format cylinder: Uses Sargent 40 Series mortise cylinder; upgrade paths available to higher-security cylinder options (DG1 patented keyway, DG2, DG3/UL437) without replacing the lock body
- Master keying compatible: LA keyway cylinders support standard Sargent master key system pinning for facilities requiring hierarchical key control
Typical Applications
- Commercial office and retail entry doors (secondary deadbolt)
- Stairwell and corridor doors requiring positive bolt engagement
- Storage rooms, server rooms, and utility spaces
- Multi-family residential and apartment building common doors
- Facilities expanding or maintaining an existing Sargent LA keyway system
Cylinder Upgrade Options
The Sargent 465 accepts standard Sargent 40 Series mortise cylinders. If higher key-control security is required, the cylinder can be upgraded to a Sargent DG1 (patented keyway) for duplication protection, or to DG2 / DG3 (UL 437 listed) for pick and drill resistance — without replacing the lock body. This modularity supports long-term facility key system management.
Technical Details
| Feature | Details |
|---|---|
| Product Series | Sargent 465 |
| Lock Type | Single Cylinder Deadlock (Deadbolt Only) |
| Cylinder Side | Outside cylinder (key); inside thumbturn |
| Keyway | LA (Sargent open-conventional keyway) |
| Cylinder Type | Sargent 40 Series mortise cylinder |
| Function | Key outside retracts and projects deadbolt; thumbturn inside retracts and projects deadbolt |
| ANSI/BHMA Function | F17-style Deadlock |
| Category | Commercial Dead Bolt / Auxiliary Deadlock |
| Master Keying | Compatible (LA keyway, standard Sargent pinning) |
| Cylinder Security Level | Open Conventional (LA); upgradeable to DG1, DG2, DG3/UL437 |
| Finish with BHMA code | 626 - US26D Satin Chrome or 613E - US10BE Oil Rubbed Bronze Equal or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 612 - US10 Satin Bronze |
| Brand | Sargent |
| Deadlock Grade | Grade 2 - Std Dty |
| Deadbolt Function | Single Cylinder w/Thumbturn |
| Cylinder Options | LA Keyway |
| Backset | 2-3/4" Backset |
| Series | Sargent - 460 Series |
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