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Sargent LC-8904-J-ETP Mortise Exit Device, Night Latch, For 37-42" Dr Widths, Less Cylinder
The Sargent LC-8904-J-ETP is a heavy-duty mortise exit device built for high-traffic commercial openings that demand reliable security and smooth egress. Configured for night latch function with the J-style lever trim (ETP escutcheon), it covers door widths from 37 to 42 inches and ships less cylinder, allowing you to install the mortise cylinder that matches your facility's keying system. As part of Sargent's respected 80 Series line, this device delivers Grade 1 durability and dependable panic performance, making it a strong choice for schools, offices, healthcare facilities, and other mid- to high-use environments where code-compliant exit hardware is essential.
Features
- Mortise exit device designed for 37" to 42" door widths.
- Night latch (NL) function provides exterior access by key while allowing free egress from inside.
- Supplied less cylinder for compatibility with your existing keying system.
- J-style lever trim with ETP escutcheon for a clean, durable appearance.
- Grade 1 construction suited for heavy commercial traffic.
- Part of the Sargent 8900 Series mortise exit device family.
Functional Details
The 04 night latch function allows the lever trim to retract the latch using a key from the outside, while the interior push rail always provides free, immediate egress. The latch remains locked from the exterior unless unlocked by key.
- Night Latch - Exterior trim operated by key retracts latchbolt.
- Free egress at all times from the inside via the push rail.
Included Components
This device includes the mortise exit chassis, J-style lever with ETP escutcheon trim, and mounting hardware. A mortise cylinder is required and must be ordered separately.
| Manufacturer | Sargent |
| SKU | LC-8904-J-ETP |
| Series | 8900 Mortise Exit Device |
| Function | Night Latch (04) |
| Grade | ANSI/BHMA Grade 1 |
| Origin | Made in USA |
| Unit of Measure | Each |
| UL Listing Type | UL/cUL Listed Panic Hardware |
| ANSI Number | A156.3 |
| Cylinder | Less Cylinder (ordered separately) |
| Limited Warranty | Manufacturer limited warranty |
| Device Type | Mortise Exit Device |
| Door Width Range | 37" to 42" |
| Trim Type | J-Style Lever, ETP Escutcheon |
| Function Code | 04 (Night Latch) |
| Latchbolt Throw | 3/4" |
| Deadlocking Latch | Yes |
| Cylinder Type | Mortise Cylinder (1-1/8" or 1-1/4") |
| Mounting | Surface Rail / Mortise Case |
| Door Thickness | 1-3/4" standard |
| Handing | Reversible / Field Adjustable |






