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Latest Model Sargent Lc-8251-lnb Storeroom Deadbolt Mortise Lock, B - Lever, Ln - Rose, Field Reversible, Less Cylinder Diy Kit [rH3jenFl]

$107.99 $345.99 -69%

The Sargent LC-8251-LNB mortise lock features a Storeroom Deadbolt function with a B Lever, LN Rose, is Field Reversible, and comes Less Cylinder, with an ASA Strike, and is Grade 1 Heavy Duty.Sargent 51 Function - Storeroom or DeadboltKey and thumbt

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Latest Model Sargent Lc-8251-lnb Storeroom Deadbolt Mortise Lock, B - Lever, Ln - Rose, Field Reversible, Less Cylinder Diy Kit [rH3jenFl]

The Sargent LC-8251-LNB mortise lock features a Storeroom Deadbolt function with a B Lever, LN Rose, is Field Reversible, and comes Less Cylinder, with an ASA Strike, and is Grade 1 Heavy Duty.

Sargent 51 Function - Storeroom or Deadbolt
  • Key and thumbturn both retract & project the deadbolt
  • Key will also retract latchbolt
  • Trim inside retracts latchbolt & deadbolt simultaneously
  • Trim outside is always locked
  • Auxiliary deadlatch
  • Same as 50 function with a std. cylinder
    Sargent 8251 Function Chart

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

Product Specs

Manufacturer Sargent
SKU 8251 LNB
Grade Grade 1
Origin USA
Unit of Measure Each
BAA Qualified Yes
Limited Warranty 10 Years
Fire Rated 2 Hours {B}


Technical Specs

Function
51 -Storeroom Deadbolt
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 Combination Latch and Bolt
Std. Latch Backset Dim 2-3/4 In.
Lock Face Size 8 In. x 1 1/4 In.
Bolt Projection 3/4 In. Latch, 1 in. Deadbolt
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

What Our Customers Say

January 19, 2026

Absolutely no complaints!

This is a nice, and very solid item.

- Deana H..

January 19, 2026

Absolutely no complaints!

An excellent product that is very, very smart.

- Paige C..

January 19, 2026

Absolutely no complaints!

I'm very happy with the product's quality.

- Michele K..

Write a Review

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