Product Description
Classroom function was designed for exactly what the name says — classroom doors that teachers need to lock quickly during a lockdown without stepping into the hallway.
The Sargent LC-8239-LNJ-3 is a Classroom function mortise lock from the 8200 Series — Sargent's flagship commercial mortise platform that's been trusted on schools, hospitals, office buildings, and government facilities for decades. Classroom function — the outside lever is key-controlled: unlock for class, lock for security. Inside lever is always free for egress. The lock relocks automatically when the door closes.
| SKU Breakdown: LC-8239-LNJ-3 | |
| LC | Interchangeable Core prep |
| 8239 | Series 8200, Classroom function |
| LNJ | Trim code: LNJ |
| 3 | Finish code: 3 |
This one comes with LN Rose, J Lever in Bright Brass — the classic 03 finish. Traditional, formal, and still specified on government buildings, courthouses, and historic renovations.
| Certification | ANSI A156.13, BHMA Grade 1, UL 10C (3-Hour Fire Rating) |
| Backset | 2-3/4" |
| Face Size | 8" x 1-1/4" |
| Warranty | 10-Year Limited. Contact ASSA ABLOY at 1-800-727-5477. |
- ANSI/BHMA Grade 1 — highest commercial security rating, tested to 1.5 million cycles
- 3-hour fire rated — UL 10C listed for positive pressure fire test
- LN Rose, J Lever — Sargent commercial trim
- Bright Brass finish
- Field reversible — works on left or right hand doors without modification
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- Browse all Sargent Mortise Locks — Every function, trim, and finish in the 8200 Series
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Image shown is representative of this product line. Actual product matches your selected finish and configuration.