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Sargent LC-8904-F-ETJ Mortise Exit Device, Night Latch, For 33-36" Dr Widths, Less Cylinder
The Sargent LC-8904-F-ETJ is a heavy-duty mortise exit device engineered for high-traffic commercial openings that demand reliable security and smooth operation. Built for fire-rated applications, this device accommodates door widths from 33 to 36 inches and features the ETJ trim with night latch (function 04) operation for controlled single-door entry. Shipped less cylinder, it allows you to pair the unit with your facility's preferred mortise cylinder for keyed access. Part of Sargent's respected 80 Series, the LC-8904-F-ETJ delivers the durability, dependable latching, and code compliance that architects and facility managers rely on in schools, hospitals, and office buildings.
Features
- Mortise exit device design providing strong, dependable latching for commercial doors.
- Fire-rated (F) construction suitable for labeled door and frame assemblies.
- Sized for 33" to 36" door widths without additional modification.
- ETJ lever trim offers a comfortable, ADA-friendly grip for outside operation.
- Ships less cylinder for flexible keying with your chosen mortise cylinder.
- Night latch (function 04) allows key-controlled retraction from the outside.
Functional Details
The 04 Night Latch function provides key-controlled access from the exterior while permitting free egress at all times from the inside. Depressing the push bar retracts the latch and allows exit, while the outside lever remains rigid until the key operates the cylinder.
- Key outside retracts latchbolt.
- Pushpad always operates latchbolt for free egress.
Arm Type Details
The ETJ designation refers to Sargent's lever-style escutcheon trim with a night latch function. The lever itself is rigid and does not retract the latch; access is granted only through key operation of the mortise cylinder, maintaining secure entry control on the exterior side.
Included Components
This package includes the mortise exit device chassis, the ETJ lever trim, and the necessary mounting hardware. A mortise cylinder is not included and must be ordered separately to complete the keyed function.
| Manufacturer | Sargent |
| SKU | LC-8904-F-ETJ |
| Series | 80 Series Exit Devices |
| Device Type | Mortise Exit Device |
| Function | Night Latch (04) |
| Trim | ETJ Lever |
| Grade | ANSI/BHMA Grade 1 |
| Origin | Made in USA |
| Unit of Measure | Each |
| UL Listing Type | Fire Rated Exit Hardware |
| ANSI Number | ANSI/BHMA A156.3 |
| BAA Qualified | Yes |
| Cylinder | Less Cylinder |
| Limited Warranty | Yes |
| Door Width Range | 33" to 36" |
| Fire Rating | 3-Hour (A Label) |
| Latchbolt Type | Mortise Latch |
| Latchbolt Throw | 3/4" |
| Minimum Stile Width | 5" |
| Device Projection (Neutral) | 3-1/2" |
| Device Projection (Depressed) | 2-3/4" |
| Cylinder Type | Mortise Cylinder (1-1/8") |
| Mounting | Surface Mount |
| Door Thickness | 1-3/4" Standard |
| Handing | Non-Handed |






