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Sargent 68-4685 Narrow Rail Assembly for 80 Series Exit Devices — J Rail (37" to 42" Doors)
The Sargent 68-4685 is a genuine OEM Narrow Rail Assembly designed as a direct replacement component for the Sargent 80 Series exit device line. Identified by rail stock size designation J, this assembly is engineered to fit doors ranging from 37 inches to 42 inches in width, making it the correct choice for standard and slightly wider narrow-stile door openings within that size range. As an authentic Sargent OEM part, it maintains the original fit, finish tolerances, and functional integrity of the 80 Series hardware system — eliminating the guesswork and risk associated with aftermarket alternatives.
Institutional Grade Features & Benefits
- Genuine OEM Quality: Manufactured by Sargent to the exact specifications of the 80 Series exit device line, ensuring a precise, factory-matched replacement with no modifications required.
- Correct Rail Stock Size — J: The J designation confirms compatibility with door widths from 37" to 42", allowing facilities managers and door hardware professionals to specify the right assembly with confidence.
- 80 Series Compatibility: Engineered exclusively for the Sargent 80 Series exit device family, preserving the mechanical integrity and code-compliant performance of the installed device.
- Direct Drop-In Replacement: Designed to replace a worn, damaged, or broken rail assembly without requiring full device replacement, reducing downtime and total repair cost in commercial and institutional settings.
- Maintains System Reliability: Using a genuine Sargent assembly keeps your 80 Series exit device operating as originally intended — critical in high-traffic commercial, institutional, and life-safety door applications.
Applications
The Sargent 68-4685 Narrow Rail Assembly is ideal for facility maintenance, door hardware repair contractors, locksmiths, and institutional procurement teams responsible for maintaining Sargent 80 Series exit devices on commercial or institutional door openings in the 37"–42" width range. Common applications include office buildings, schools, healthcare facilities, government buildings, and any commercial occupancy where Sargent 80 Series panic hardware is installed.
Technical Details
| Feature | Details |
|---|---|
| Brand | Sargent |
| Part Number | 68-4685 |
| Part Type | Assembly |
| Product Class | Exit Device Component |
| Series Compatibility | Sargent 80 Series Exit Device |
| Rail Stock Size | J — Narrow Rail |
| Door Width Range | 37" to 42" |
| OEM / Replacement | Genuine OEM Replacement Part |
| General - US Finishes | US32D - Satin Stainless Steel/ 630 or US3 - Polished Brass or US4 - Satin Brass or US10 - Satin Bronze or US10BE - Oil Rub Bronze Equal |
| Brand | Sargent |
| Series | Sargent - 80 Series |
| Part Type | Assembly |
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