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Sargent LC-8904-G-ETJ Mortise Exit Device, Night Latch, For 43-48" Dr Widths, Less Cylinder
The Sargent LC-8904-G-ETJ is a heavy-duty mortise exit device designed for high-traffic commercial openings measuring 43" to 48" in width. Configured for night latch function with the ETJ lever trim, it allows key-controlled entry from the exterior while providing free egress from the inside. This model ships less cylinder (LC), giving you the flexibility to pair it with the mortise cylinder of your choice. Built to Grade 1 standards, the 8900 series delivers the durability and reliable performance expected in schools, hospitals, office buildings, and other demanding environments. Its mortise lock chassis offers added security and long-term dependability for both interior and exterior applications.
Features
- Mortise exit device engineered for door widths between 43" and 48".
- Night latch function allows key access from outside with continuous free egress inside.
- Supplied less cylinder so you can install your preferred mortise cylinder.
- ETJ lever trim provides a comfortable, ADA-compliant grip for exterior operation.
- Grade 1 construction built for heavy commercial and institutional use.
- Mortise lock chassis adds security and smooth, long-lasting latching.
Functional Details
The night latch (NL) function means the outside lever trim is used only to retract the latch by key; there is no fixed or free lever operation from the exterior unless the cylinder is turned. Pushing the exit device from the interior always allows unimpeded egress, satisfying life-safety code requirements.
- Key outside retracts latch for momentary access.
- Free egress at all times from the inside by pushing the touchbar.
Arm Type Details
The ETJ designation refers to the Sargent ETJ lever trim style, which offers a contemporary lever design paired with the exit device for comfortable, code-compliant exterior operation when the device is unlocked by key.
Included Components
Device ships with the mortise exit chassis, ETJ exterior lever trim, and mounting hardware. The mortise cylinder is not included and must be ordered separately.
| Manufacturer | Sargent |
| SKU | LC-8904-G-ETJ |
| Series | 8900 Mortise Exit Device |
| Function | Night Latch |
| Trim | ETJ Lever |
| Door Width Range | 43" - 48" |
| Grade | ANSI/BHMA Grade 1 |
| Cylinder | Less Cylinder |
| Origin | USA |
| Unit of Measure | Each |
| UL Listing Type | UL Listed Panic Hardware |
| ANSI Number | A156.3 |
| BAA Qualified | Yes |
| Limited Warranty | Yes |
| Device Type | Mortise Exit Device |
| Latch Function | Night Latch (NL) |
| Door Width | 43" to 48" |
| Door Thickness | 1-3/4" standard |
| Latchbolt Throw | 3/4" |
| Backset | 2-3/4" |
| Minimum Stile Width | 5" |
| Cylinder Type | Mortise Cylinder (not included) |
| Mounting | Surface mounted with mortise lock case |
| ANSI Grade | Grade 1 |
| Handing | Non-handed / Reversible |






