Sargent 7838 Classroom Security Intruder Latchbolt Mortise Knob Lock

by Sargent
$ 897.00

Sargent 7838 Classroom Security Intruder Latchbolt Mortise Knob. In Stock With Free Shipping On Orders Over $189. Sargent 7800 Series Heavy duty, BHMA certified under ANSI A156.13 Series 1000 Grade 1. UL listed for use on fire doors. UL listed to Canadian Safety Standards. Conforms to standards UL10C 'Positive Pressure fire tests of door assemblies' and UBC 7-2 (1997). SARGENT Mortise Locks are designed and constructed with high quality components to provide maximum security, performance and durability.

Sargent 7838 Classroom Security Intruder Latchbolt Mortise Knob:

• Key from either side locks & unlocks outside trim

• Key from either side retracts latchbolt

• Trim outside retracts latchbolt, except when locked

• Trim inside always retracts latchbolt

• A Multi-Function 8200/R8200/7800 Lockbody

• Auxiliary deadlatch

• ANSI F32


Finishes: 26D-Satin Chrome   

Strength & Security

  • Far exceeds Detention Requirements for Impact
    • Level 1 with deadbolt
    • Level 3 with latchbolt only
  • Exceeds the cycle testing requirements by 14 times the ANSI/BHMA A156.13 Grade 1 Standard
  • 1” Deadbolt With Hardened Steel Rollers Vandal Resistant Breakaway Spindle, Free Wheeling Design
  • Available Thru-Bolted Lever Trim For Incresed Security
  • Multiple Security trim options available as well as security Key system (Signature, Keso, KesoF1 and XC)

Certification Compliance

  • ANSI/BHMA certified
  • Meets A117.1 Accessibility Code
  • UL and UL listed to Canadian safety standards                                                       Note: Any retrofit or other field modification to a fire rated opening can potentially impact the fire rating of the opening, and Sargent Manufacturing Company makes no representations or warranties concerning what such impact may be in any specific situation. When retrofitting any portion of an existing fire rated opening, or specifying and installing a new fire-rated opening, please consult with a code specialist or local code official (Authority Having Jurisdiction) to ensure compliance with all applicable codes and ratings.
  • Meets positive pressure requirements UL 10C and UBC 7-2 (1997)
  • California State Reference Code


  • Complete line of lockbodies offering 58 functions
  • 9 functions accomplished with one lockbody
  • Functions easily changed without opening the lockcase

Easy to Install

  • Engineered for intuitive installation
  • Pre-assembled components make installation fool-proof
  • Installation time — reduced by up to 40%
  • Lock is easily re-handed without removing parts or opening case