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Sargent 68-4957 Narrow Rail Assembly for 80 Series Exit Devices — OEM Replacement, J Rail Stock (37"–42" Doors)
The Sargent 68-4957 is a genuine OEM Narrow Rail Assembly engineered as a direct replacement for Sargent 80 Series exit devices. Also referenced by the full model designation 19-53-55-56-J, this assembly carries the J rail stock size, meaning it is sized to fit doors ranging from 37 inches to 42 inches in width. Specifying a factory-original Sargent replacement assembly ensures proper fitment, dimensional accuracy, and performance consistent with the original exit device installation — making it the preferred choice for facilities managers, door hardware distributors, and life-safety contractors performing maintenance or repair on 80 Series panic hardware.
Institutional-Grade Features & Benefits
- Genuine OEM Part: Manufactured by Sargent to the same standards as the original equipment, ensuring compatibility and eliminating guesswork associated with aftermarket substitutes.
- Direct 80 Series Compatibility: Engineered specifically for the Sargent 80 Series exit device family, this assembly slots in as a precise replacement without modification.
- J Rail Stock — 37" to 42" Door Width: The J designation covers the full range of narrow-to-standard commercial door widths in that bracket, making this assembly suitable for a wide variety of commercial and institutional openings.
- Narrow Rail Design: The narrow rail profile is commonly specified for glass-door applications and narrow-stile aluminum door frames where a low-profile exit device footprint is required.
- Simplified Maintenance & Lifecycle Management: Using the correct OEM assembly part number ensures long-term parts traceability and supports scheduled preventive maintenance programs in schools, healthcare facilities, government buildings, and commercial offices.
- Reliable Life-Safety Hardware: Proper assembly replacement keeps exit devices functioning as intended, supporting code-compliant egress on occupied commercial openings.
Technical Details
| Feature | Details |
|---|---|
| Brand | Sargent |
| Part Number | 68-4957 |
| Full Model Designation | 19-53-55-56-J |
| Part Type | Narrow Rail Assembly |
| Product Class | Exit Device Component / OEM Replacement Assembly |
| Series Compatibility | Sargent 80 Series Exit Devices |
| Rail Stock Size | J — fits 37" to 42" door widths |
| OEM / Aftermarket | Genuine OEM (Sargent) |
| 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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