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Technical Specs
Function | 57 - Institutional Privacy |
Lever/Knob Design |
B - Lever |
Rose/Escutcheon Design |
LN - Rose |
Cylinder Type |
Less Cylinder |
Handing | Field Reversible |
Door Thickness | 1 3/4 In. |
Std. Latch Type | Dead Latch (Guarded) |
Std. Latch Backset Dim | 2-3/4 In. |
Lock Face Size | 8 In. x 1 1/4 In. |
Bolt Projection | 3/4 In. Latch |
Std. Strike Number | 82-0110 |
Std. Strike Type | ASA Strike |
Std. Strike Height | 4 7/8 In. |
Std. Strike Width | 1 1/4 In. |
Screws | Combination |
Product Type | Mortise Lock |
Product Specs
Manufacturer | Sargent |
SKU | 8257 LNB |
Grade | Grade 1 |
Origin | USA |
Unit of Measure | Each |
BAA Qualified | Yes |
Limited Warranty | 10 Years |
Fire Rated | 2 Hours {B} |
The Sargent LC-8257-LNB Institutional Privacy Mortise Lock, has a B - Lever, an LN - Rose, is Field Reversible, comes Less Cylinder, with an ASA Strike, and is Grade 1 Heavy Duty.
Sargent 57 Function - Institutional Privacy
- Key outside retracts latchbolt, overriding thumbturn when held in locked position
- Thumbturn inside locks & unlocks outside trim
- Trim outside unlocks when the door closes or operating trim inside
- Trim inside always retracts latchbolt
- Auxiliary deadlatch
Note: Key locks & unlocks trim outside
Sargent 8200 Series Overview
The 8200 Series mortise lock is designed and constructed with the highest quality components to provide maximum security, performance, and durability, making it the strongest lock on the block. Considered the industry benchmark for all mortise locks on the market today, the robust lock is an attractive solution with a multitude of lever and escutcheon styles available.
With its innovative, multi-functional lock body, the 8200 Series Mortise Lock, is considered the industry benchmark for all mortise locks on the market today. It is also the strongest and most durable far surpassing ANSI/BHMA A156.13 Series 1000 Grade 1 standards in independently verified testing for additional resistance against vandalism and unauthorized entry.
The electromechanical version of the 8200 Series Mortise Lock operates from 12 to 24VDC and can be used in stand-alone applications or as part of an integrated access control system. Featuring EcoFlex technology, the electromechanical version dramatically reduces power consumption by up to 96%, as certified by GreenCircle.
Features
- ANSI/BHMA Grade 1 certified for cycle and strength requirements
- UL-cUL listed for 3-hour fire doors and windstorm applications
- Thru-bolted lever trim and strengthened cylinder retainer
- Available with security key systems (Degree, Signature, KESO, and XC)
- Available in 58 different functions, including electromechanical, security (freewheeling, security escutcheon, anti-vandal pull trim), and monitoring
- 6 lever designs, 2 roses/escutcheons designs, and 14 architectural finishes offered
- Available with behavioral health trim
- 10-year warranty
- Patented design and construction
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