Sargent 8290-LNL-US32D-LC Classroom Security Holdback Mortise Lock, L Lever, LN Rose, Less Cylinder, Grade 1, Field Reversible, Satin Stainless Steel


Sale price$1,255.48/ea
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The Sargent 8290-LNL-US32D-LC is a Classroom Security Holdback Mortise Lock, with an L - Lever, an LN - Rose, has an ASA Strike, is Grade 1, is Field Reversible, and comes Less Cylinder in  US32D Satin Stainless Steel (630).

Sargent 8200 Series Overview

Grade 1 Mortise Locks

Raising the bar of excellence.
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.


  • 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


  • Strength & Reliability: Far exceeds independently verified testing, making it the strongest and most durable mortise lock in the industry. Verified for over 14 million cycles.
  • Security: Several security features provide additional resistance against vandalism and unauthorized entry.
  • Flexibility & Aesthetics: Aesthetic design combined with a variety of functions, lever designs, and architectural finishes match a wide range of styles and make it ideal for all types of applications (e.g. offices, hospitals, behavioral health environments, schools/universities).
  • Ease of Install and Maintenance: A multifunctional lock body makes switching functions on-site easy and reduces inventory requirements.
Manufacturer Sargent
SKU 8290 LNL 32D
Grade Grade 1
Origin USA
Unit of Measure Each
BAA Qualified Yes
Limited Warranty 10 Years
Fire Rated 2 Hours {B}
Finish 630/US32D
Finish Description Satin Stainless Steel


Function 90 Classroom Security Holdback
Lever/Knob Design L - Lever
Rose/Escutcheon Design LN - Rose
Cylinder Type Conventional Cylinder
Num Pins 6
Std. Keyway LA
Keying Keyed Different
Key(s) Cut
Num of Keys 2
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

Cylinder Mortise Handing Chart

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