Part# 10-04550
MFR Model# 5934P-3A.83
Model NumberDescriptionPart Number
5934P-3A.8320K, Inches10-04550


Designed to help the pilot determine altitude by measuring existing atmospheric pressure, this altimeter translates the measurement into “height above sea level.” This is indicated on the dial of the instrument in feet, which requires setting the barometric pressure in the Kollsman window.

For use with most single engine, turbo/piston prop aircraft.
  • Affordable, certified 3-1/8" case for half the cost of existing systems
  • United series 5934
  • All units approved to FAA TSO (C10b,C2b and C4c)
  • Anti-reflective glass enhances visibility and reduces pilot fatigue
  • Altimeter available with right-hand or left hand knob 20,000 or 35,000 ft. Hg or Mb
  • All instruments are made in the USA
  • One year limited warranty
*NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


  • Typical Weight: 13 oz
  • Number of Pointers: 3
  • Barometric Setting: 28.1 to 31.0 in HG / 946 to 1050 mb
  • Calibrated Ranges: -1,000 to +20,000 or +35,000 feet
  • Static Pressure Connection: 1/8-27 ANPT
  • Installation: Removable Spring Nuts and screws
  • Accessories
  • Frequently Purchased With
  • Customers Also Viewed


Nice instrument at a good price. I could have overhauled the existing unit in my PA28 Cherokee, but who wants to fly IFR with a 50 year old altimeter?

Doug C
February 11, 2020

Installed as a back up my EFDs. All three on board altimeters within 10 feet of each other. Very well packaged. Works great.

Steven B
January 13, 2019


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: Is P/N 10-00932 United Altimeter 3 20K dual lit the same as the United Altimeter P/N 5934PD-3A.250 model?

Yes, part number 10-00932 is ordered from United under part number 5934PD-3A.250.

Q: What is the difference between 20k standard and 20k standard lit United altimeters?

The 20k lit altimeter has integrated lighting. The standard option does not include lighting.

Q: Is P/N 10-02698 United Altimeter 3 35K Millibar lit the same as the United Altimeter P/N 5934PD-3A.253 model?

No, part # 10-02698 is United # 5934PAM-3A.185.

Q: It states "Available in right hand or left hand knob". How do you tell which model has what?

All models are right hand knob unless otherwise noted. We can process a special order if left hand knob is required. Please contact Avionics Sales for pricing and lead time of special order altimeters.

Q: If we need P/N 5934P-3, which part #'s are equal to that?

All of these altimeters are in the 5934 series. For example, our part # 10-04550 is equal to 5934P-3A.83. The manufacturer model # will be displayed in the shopping cart when the altimeter is added to the cart.

Q: Is part # 10-00930 a United Inst. 5934PAD-3A.259?

Our part # 10-00930 is United model no. 5934pa-3a.122

Q: What is the difference between the 10-04550 and 10-00929 ? Is it just the light? Does the 10-00929 come with LED light?

Per the manufacturer, it is the lighting that makes the difference. The light is not an led

Q: Are these United altimeters new condition?

Yes, these gauges are new.

Q: Does model 5934P-3A.83 come with an 8130? Or is the add a manufacturer c of c add-on option for items in my shopping cart a 8130?

No, this unit is TSO approved. It does not ship with an 8130 form in the box. For 8130-3 export form, please request it at the time of order.

Q: What is the warranty for these units?

These have a one year limited warranty.

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