Davtron Numeric Digital Display Kw505F

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Part# 11-04613
MFR Model# KW505F


Incandescent Display (replacement display only for Davtron products.)
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


  • Sunlight readable
  • Incandescent Display
  • Wide viewing angle
  • Sealed and impervious to salt and humidity
  • Long life
  • Compact design
  • Even brightness at rated and dimming voltages
  • Shock and vibration resilient
  • Easily filtered for night vision compatibility
  • Frequently Purchased With
  • Customers Also Viewed


Happy that parts are available. Relatively simple replacement that will give me more years of service.

Richard L Verified Purchase


May 28, 2021

Replaced several of these in an 811B and it is now fully operational. Davtron does not supply instructions however it is pretty straightforward: 1) disconnect power including the backup battery 2) remove the four screws holding the front panel in place. gently remove front panel. 3) carefully pry out inoperative digits (you may have to remove an edge display to get to the middle ones) 4) make sure leads are straight on new digit 5) insert it with pin 1 (might have a dot) towards the top of the unit. gently press in place. 6) install front face plate 7) attach backup battery Then remind your boss how much money and time you saved by not having to ship it out for repair.

Attitude A
November 24, 2020


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Hello, is the Davtron Numeric Digital KW505F a match with the RT385A display?

Per the manufacture, the RT385A display is not certified for compatibility.

Q: Does this replace the upper(hours/minutes) and lower (seconds) displays? In other words, are 2 required to replace all of the displays in the 811?

Per the manufacturer: these are single digit displays on the 811, there are 4 on top and 2 on the bottom.

Q: Will this replace the left digit on the 655?

Per the manufacturer, this is a replacement for Davtron products to replace individual digits.

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