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 Product Notes

  • Propeller Model: 74DM6S5
  • Material: 2025 forged aluminum
  • Diameter Reduction: 0"
  • Blade Pitch: 58"
  • Type Certificate: P886
  • Bolt Kit: BK74DM6S5
  • Spacer: SPM6S5

Applicability Chart

AircraftEngineProp TypeDiameterStatic RPM LimitsMinimum Diameter for Repair
Beech Model B19 Sport [1] Lycoming O-320 150hp Cruise 74" 2300-2550 74"
Cessna 150 (all) / 150 (STC Avcon Conversions)[2] Lycoming O-320 150hp Standard 74" - -
Piper PA-28-150 Cherokee C Lycoming O-320 150hp Standard 74" 2275-2375 -
Piper PA-28-160 Cherokee C Lycoming O-320 160hp Climb 74" 2325-2425 72.5"
Zenair Zenith CH-2000A/150 Lycoming O-320 150hp Standard 74" - 72.5"



[1] 74DM6S5-0-58 propeller eligible only on Beech Model B19, serial numbers MB-481 to MB-616, at 2,000 lb gross weight. 74DM6S5-0-54 propeller eligible on Beech Model B19 at 2,150 lb gross weight. See T.C. data sheet A1CE.

[2] This propeller is installed under a Supplemental Type Certificate. Contact Avcon Conversions at 316-782-3851 for more information.

To the extent that the trademarks or registered trademarks of an original equipment manufacturer other than Univair are mentioned on this website, the name of that manufacturer is only for descriptive use and does not imply any affiliation with, manufacture by or endorsement by the respective owners of such trademark. Many products of Univair are replacement products for products of original equipment manufacturer of the aircraft. Univair to the extent required by Federal law obtains approval from the FAA for the manufacture of replacement parts for aircraft. The reference to the name of the original manufacturer is for identification purposes only and not to represent the original manufacturer is associated in any way with the Univair product.

 Shipping & Returns


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Free Shipping Promotion

Orders over $300.00 may qualify for free ground shipping within the contiguous United States. Orders over $3,000.00 may qualify for free motor freight (truck) shipping within the contiguous United States. Full details can be found on our Free Shipping policy page.

Shipping Hazardous Materials (HAZMAT)

Products classified as Hazardous Materials (HAZMAT) cannot be shipped outside the contiguous United States (lower 48 states). 5 gallon and 55 gallon sizes will only be shipped via Motor Freight; smaller sizes can be shipped via either UPS Ground Hazmat or Motor Freight (shipping method will depend on the size of your order). 55 gallon drums will incur an additional drum charge of $76.09 per drum.


All items returned to Univair for a refund or credit must be authorized in advance. Additional conditions apply. Full details about our return policy can be found on our Returns policy page.

To initiate a return, call Univair at 303-375-8882 to receive a return authorization (RA).

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Univair Aircraft Corporation

2500 Himalaya Road
Aurora, Colorado 80011

Toll Free Sales: 888-433-5433
Phone: 303-375-8882
Fax: 303-375-8888


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