Product Description
The Sargent LC-8239-LNJ-10B is a 8200 Series Classroom mortise lock in Oil Rubbed Bronze (US10B/613). Outside lever locked until unlocked by key, relocks automatically when door closes. Inside always free.
Prepped for interchangeable core (IC). Order IC housing and core separately.
| SKU Breakdown: LC-8239-LNJ-10B | |
| LC | Interchangeable Core prep |
| 8239 | Series 8200, Classroom function |
| LNJ | Trim code: LNJ |
| 10B | Finish: Oil Rubbed Bronze |
Pro-Tip from Our Locksmiths: When retrofitting from an older Sargent mortise lock, the 8200 drops right into the same prep — same backset, same strike. Save your customer the cost of new door prep.
| Brand | Sargent (ASSA ABLOY) |
| Part Number | LC-8239-LNJ-10B |
| Series | Sargent 8200 |
| Function | Classroom |
| Finish | Oil Rubbed Bronze (US10B/613) |
| Mount Type | Mortise |
| Cylinder | Interchangeable Core |
| Grade | ANSI/BHMA Grade 1 |
| Warranty | 10-Year Limited |
- Heavy-duty cast stainless steel chassis — built for millions of cycles in high-traffic environments
- Classroom function — Outside lever locked until unlocked by key, relocks automatically when door clos
- Oil Rubbed Bronze (US10B/613) finish — durable commercial-grade coating
- ANSI/BHMA Grade 1 certified — highest commercial security rating
- Prepped for interchangeable core (IC). Order IC housing and core separately.
Works With: Sargent 8200 Series mortise trim. Compatible with Sargent mortise cylinders in all standard keyways. For master key systems, consult your locksmith or call (877) 365-5625.
Authorized Sargent Dealer — Lock Depot ships all Sargent products brand new in factory-sealed packaging with the complete manufacturer warranty. Same day shipping available on most orders. Questions? Contact us for free expert support.
Image shown is representative of the product line. Actual finish, trim, and configuration may vary by SKU.
