Product Description
The Sargent 70-8271-12V-LNB-10B is a 8200 Series Fail Secure mortise lock in Oil Rubbed Bronze (US10B/613). Remains locked on power loss. Key override always available.
Ships less cylinder — order a mortise cylinder separately to match your existing keyway.
| SKU Breakdown: 70-8271-12V-LNB-10B | |
| 70 | Series 8200, Fail Secure function |
| 8271 | Configuration: 8271 |
| 12V | Voltage: 12V |
| LNB | Trim code: LNB |
| 10B | Finish: Oil Rubbed Bronze |
Pro-Tip from Our Locksmiths: If you're bidding against Schlage L-Series on a commercial job, the 8200 wins on durability. The Sargent chassis is thicker gauge and the hub mechanism has less play after heavy use.
| Brand | Sargent (ASSA ABLOY) |
| Part Number | 70-8271-12V-LNB-10B |
| Series | Sargent 8200 |
| Function | Fail Secure |
| Finish | Oil Rubbed Bronze (US10B/613) |
| Mount Type | Mortise |
| Cylinder | Less Cylinder |
| Grade | ANSI/BHMA Grade 1 |
| Warranty | 10-Year Limited |
- Heavy-duty cast stainless steel chassis — built for millions of cycles in high-traffic environments
- Fail Secure function — Remains locked on power loss. Key override always available.
- Oil Rubbed Bronze (US10B/613) finish — durable commercial-grade coating
- ANSI/BHMA Grade 1 certified — highest commercial security rating
- Ships less cylinder — order a mortise cylinder separately to match your existing keyway.
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.
Image shown is representative of the product line. Actual finish, trim, and configuration may vary by SKU.