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A Series Grade 2 Cylindrical Lock

The durable, fire-rated A Series is offered in three knob designs and 1 lever made to fit Conventional or FSIC formatted cylinders.  


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The A Series cylindrical lock is based on Schlage's earliest designs. It is a tribute to enduring quality that these locks remain in demand today. As a Grade 2 commercial lock it exceeds ANSI/BHMA standards, allowing it to be used in a wide range of commercial and residential applications. 

 Medium Duty

 Primus upgradeable

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Mechanical Locks

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  • Exceeds ANSI/BHMA Grade 2 operational and security standards
  • UL listed for 3-hour fire door                                        
  • Key removable knob for quick rekeying or cylinder replacement  
  • Patented Everest 29™ S123 keyway is provided standard which prohibits unauthorized key duplication 
  • Restricted geographically exclusive Primus upgraded security options offer advanced key control and exceptional physical security



  • Available in three knob and one lever style 
  • Snap on rose eliminates exposed screws on inside levers   
  • Seven available finishes   


Functional features

  • Ten keyed and non-keyed functions
  • Numerous latch and strike options to accommodate any opening


Built to Last

  • Every Schlage lock undergoes intensive testing to determine its ANSI grade level including: cycle, resistance, door impact, warped door and bolt strength tests 

Non-keyed functions

  • A10 Passage latch (ANSI F75)
  • A25 Exit lock - blank plate x lever
  • A40 Bath/bedroom privacy lock (ANSI F76)


Non-keyed dummy functions

  • A170 Single dummy trim


Keyed functions

Single cylinder

  • A53 Entrance lock (ANSI F109)
  • A53 with XA11-297 Entrance lock with restoring slide
  • A70 Classroom lock (ANSI F84) 
  • A79 Communicating lock with blank plate
  • A80 Storeroom lock (ANSI F86)
  • A85 Faculty restroom lock with indicator cylinder (ANSI F93)


  • Chassis: Zinc and steel components zinc dichromate plated for corrosion resistance
  • Door thickness: 1-3/8" to 1-7/8" (35 mm to 48 mm) standard  
  • Non-handed


Trim Options

  • Three knob and one lever design made of wrought brass; lever made of pressure cast zinc, plated to match product finish specification
  • Roses: wrought brass plated to match product finish specification; 2-9/16" diameter   



  • Backset: 2-3/8" (60 mm) standard; 2-3/4" (70 mm), 3-3/4" (95 mm), and 5" (127 mm) optional
  • Latchbolt: 1/2" (13 mm) throw standard
  • Faceplate: square corner 1" x 2-1/4" (25 mm x 57 mm) standard  
  • Strike: 1-1⁄8" x 2-3⁄4" (29 mm x 70 mm) T-strike with box standard 
  • Strike lip length: 1-1/8" (29 mm) standard  


  • ANSI A156.2-2017 Series 4000, Grade 2



  • UL 10C and CAN/ULC-S104 listed 
    • All locks listed for 3-hour fire doors: A label single doors 4' x 8' 
    • Letter F and UL symbol on latch front indicate listing 
  • UL 437 listed when using Primus high-security UL 437 cylinder



  • Florida Building Commision (ASTM E330, E1886, E1996)
  • Miami Dade (TAS 201, 202, 203) requirements for hurricanes
  • TDI (ASTM E330, E1886, E1996)          



  • Meets FF-H-106C 



  • Meets BAA (Buy American Act)

A Series lock finishes

605 Bright brass

605 Bright brass


606 Satin brass


609 Antique brass


612 Satin bronze


613 Oil rubbed bronze


625 Bright chrome


626 Satin chrome

Key cylinder, plug and core face finishes


606 Satin brass


522 Bronze (simulated equivalent)


626 Satin chrome

Open keyways upgradeable to Primus RP


Patented keyways upgradeable to Primus XP

  • Everest 29™ S keyways include S123 (default keyway)
  • Everest 29™ T restricted keyways 
  • Everest 29™ R restricted keyways as SL cylinders in conventional or FSIC formats with the same A2 pinning style of an SFIC cylinders
  • Everest 29™ keyways gain restricted, geography exclusivity in a Primus XP cylinder
  • Available in Conventional and FSIC cylinder formats


Small Format Interchangeable Cores (SFIC)

  • Everest 29™ R restricted keyway family


Master Keying

  • Factory master keying available
Product Information


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Did You Know?

Carrying on the legacy of the groundbreaking push-button lock, Schlage changed the game again with its descendent in 2019—the ALX Series. This series features a patent-pending chassis and revolutionary new modular design.

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As part of Allegion’s family of pioneering brands, Schlage benefits from the strength, efficiencies, resources, and integration from a global power. In turn, we pass those advantages on to you.

Allegion helps keep people safe and secure where they live, work and visit. With more than 30 brands sold worldwide, we specialize in security around the doorway and beyond. It’s the power of one.

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