Cylindrical Grade 1 Extra Heavy Duty R Shaped Lever, Keyed

Classroom security function

Item no. 911.79.519


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    Classroom security function

    Item no. 911.79.519

    Item no. 911.79.519

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    Cylindrical Grade 1 Extra Heavy Duty R Shaped Lever, Keyed

    Classroom security function

    Item details

    Suitable for

    Classroom security

    Key in either knob/lever locks or unlocks outside knob/lever, inside knob/lever is always unlocked.


    Designed for extra heavy duty commercial, industrial and institutional applications


    Through-bolt mounting 2 3/4” (70 mm) center to center reduces chassis rotation
    • Quality cast and machined stainless steel hubs mounted with heavy duty return springs tested to over one million cycles without noticeable lever sag
    • Heavy rose liner material provides attack resistance
    • Heat treated heavy gauge cold rolled steel spindles withstand 1000 inch pounds of torque
    • The threaded outside rose assembly is adjustable for door thickness
    • Free-wheeling clutch style lever standard



    For door width

    (1 3/8 - 1 7/8”) 35 - 48 mm
    • Strike: ANSI 4 7/8” x 1 1/4” (123 mm x 32 mm) strike standard
    • Roses: Ø3 1/2” (90 mm) Stainless Steel or Brass base metal
    • Handing: Non-handed
    • Latchbolt: Stainless Steel 17/32” (13.5 mm) throw standard; 3/4” (19 mm) throw available
    • Cylinder: Solid Brass 6-pin cylinder Schlage C keyway with two keys per lock
    • IC Core: Solid Brass 6 or 7-pin core sold separately
    • Keying: Keyed different (KD) standard, available master keyed (MK), keyed alike (KA) and construction master keyed (CMK), see keys and keying section for additional options
    • Certifications: ANSI/BHMA certified A156.2 Series 4000 Grade 1;ADA Compliant A117.10; cUL/UL Listed for all functions up to 3 hours


    2 3/4” (70 mm) standard 2 3/8” (60 mm) available


    Stainless Steel or Brass, 2 1/4” x 1 1/8” (57 mm x 29 mm)


    626 satin chrome-plated (US26D)
    Corporate Office: Häfele America Co., 3901 Cheyenne Drive, Archdale, N.C. 27263
    Phone: 800.423.3531, Fax: 800.325.6197, Local Phone: 336.434.2322, Email: