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Sargent 82-5634 Thumbturn Plate Only – Genuine OEM Replacement for 8200 & 7800 Series Mortise Locks
The Sargent 82-5634 Thumbturn Plate Only (also referenced as SA194 / SA196) is a genuine OEM replacement thumbturn component designed specifically for Sargent 8200 Series and 7800 Series mortise locks. When an original thumbturn plate shows wear, damage, or loss of function, this factory-authorized part restores proper interior deadbolt or latch control without the cost or complexity of replacing the entire mortise lock assembly. Specifying a genuine Sargent replacement ensures dimensional accuracy, correct fit, and reliable long-term performance in commercial and institutional door hardware applications.
Institutional Grade Features & Benefits
- Genuine OEM Component: Factory-authorized Sargent replacement part — not an aftermarket substitute — ensuring precise fit and finish within the 8200 Series mortise lock body.
- Direct Drop-In Replacement: Engineered to exact Sargent tolerances for the 8200 and 7800 Series mortise lock platforms, minimizing installation time and eliminating the need for field modifications.
- Restores Interior Control: Returns the thumbturn mechanism to proper operating condition, allowing reliable manual actuation of the mortise lock from the interior side of the door.
- Commercial & Institutional Grade: Built to withstand the high-cycle demands of office buildings, healthcare facilities, educational institutions, government facilities, and multi-family residential applications.
- Reduces Total Replacement Cost: Replacing only the worn or damaged thumbturn plate component — rather than the complete mortise lock — significantly lowers material and labor costs.
- Maintains Hardware Consistency: Preserves the appearance and operational integrity of an existing Sargent mortise lock installation, important for facilities with standardized hardware specifications.
About Sargent 8200 Series Mortise Locks
The Sargent 8200 Series is a heavy-duty, ANSI/BHMA-compliant mortise lock line widely specified in commercial construction and major renovation projects. Mortise locks are installed within a pocket (mortise) cut into the door edge, offering superior strength and a broad range of function options compared to cylindrical locksets. The 7800 Series shares compatible trim and internal components with the 8200 Series, making the 82-5634 thumbturn plate a cross-compatible service part for both product lines.
Technical Details
| Feature | Details |
|---|---|
| Brand | Sargent |
| Model / Part Number | 82-5634 |
| Also Known As | SA194, SA196 |
| Part Type | Thumbturn Plate Only |
| Product Class | Mortise Lock Replacement Component |
| Series / Trim Compatibility | Sargent 8200 Series, Sargent 7800 Series |
| OEM Status | Genuine Sargent OEM replacement part |
| Finish with BHMA code | 626 - US26D Satin Chrome or 630 - US32D Satin Stainless or 613 - US10B Oil Rubbed Bronze or 613E - US10BE Oil Rubbed Bronze Equal or 612 - US10 Satin Bronze or 625 - US26 Polish Chrome |
| Brand | Sargent |
| Series | Sargent - 8200 Series |
| Part Type | Thumbturn |
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