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Best 9K40NDS3-626

Special Order Heavy Duty Duty Passage Lever with 3-3/4 backset

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Special Order non-stock item Requires 6 week lead time

SKU: 9K40NDS3-626

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The Best Acces Systems 9K40N16DS3 Passage function with 3-3/4" backset for buildings with medium traffic flow on interior doors. Passage function, both levers always unlocked. ANSI Grade 1 locks are designed for heavy duty applications. Best Lock is now part of Stanley Security Solutions

Because this is not a stock item we must order it specifically for you and we will be unable to accept a return unless the item is defective as determined by the factory it was bought from.

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Choose Lever Style:

14 Curved Return 14 Curved Return
15 Contour Angle Return 15 Contour Angle Return
16 Curved 16 Curved


  • Heavy Duty grade 1 commercial passage lever.
  • Passage function, both levers always unlocked.
  • With #16  curved lever with no return.
  • Satin chrome finish.
  • ADA compliant.
  • 3-3/4" backset.
  • Rose has a 3-1/2" diameter.
  • S3 ANSI strike -4-7/8” x 1-1/4” with curved lip.
  • Non handed. For doors 1-3/4"-2-1/4" thick.
  • Through-bolt mounting studs increase torque resistance.

Available Options: Choose Options Above

  • Lever Style:

    • 14 Curved Return
    • 15 Contour Angle Return
    • 16 Curved

More Info

  • UL- 9K series – Listed by Underwriters Laboratories for use on 3 Hr fire doors, A label for single or double swinging doors.
  • Listed by BHMA for A156.2, Series 4000, Grade 1.
  • In addition to standard door preparation (ANSI A115.2 for 1 3/4” doors), two additional holes are needed for through-bolts.
  • Through-bolts require two 5/16” diameter holes located at 12 o’clock and 6 o’clock positions.
  • Latch– 1/2” throw deadlocking latch, front: 2 1/4” x 1 1/8”. . (ANSI A115.2 for 1 3/4” doors).



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