Universal Light-Weight Controls

• For use in non-certified aircraft applications such as cabin heat, cabin air and defrost
• Keyed shaft prevents rotation and maintains knob alignment  
• All metal construction
• High temperature Teflon lined conduit for smooth, consistent control 
  • Liner prevents premature wire wear due to vibration
  • Cheapy controls with poly liners will not tolerate engine temperatures 
• Many knob styles available or provide your own knob with 10-32 thread  
  • Knobs are not included with the control and may be ordered separately 
• Available in 4, 6, 8, 10, 12 foot and custom lengths 
  • Measured from panel fitting to end of conduit, wires extend at least 3 inches beyond conduit
  • Easily trimmed to length
• Available with optional creep resistant feature to prevent control creep due to engine vibration

Specifications:

• Travel (stroke): 3.75" maximum *
• Conduit: 0.188 inch OD Teflon lined wound conduit
• Max Work Loads: 10 lbs (Pull), 5 lbs (Push)**
• Operating Temp: -65 to 450 deg F
• Inner Wire: 0.061 inch solid wire 
• Screw thread for knob attachment: 10-32 x .3 
• Screw thread for instrument panel: 3/8-24 x .5
• See McFarlane Universal Light-Weight Controls for further specifications

* Installer must ensure maximum travel is not exceeded during installation and rigging of the control.
** Maximum push load with 3-1/2" of wire extending from the conduit.
Note: Push loads depend on wire diameter, length of wire not supported by conduit and geometry of the rigging.

Note: Not for use for flight controls or flight control trim tabs. 

How to Order:

Standard control: 
Order control part number MCU124-LLL where LLL is the length of the control in inches.

Control with creep resistant feature:

Order control part number MCU224-LLL where LLL is the length of the control in inches. 

Don't Forget a Knob:

Order unmarked or standard engraved knobs separately from the styles and colors indicated in the following table: Light-Weight Control Knob Options.

Custom Engraved Knobs:

Custom laser marking of the knobs is available for $25.00 per knob. Receive a $15.00 discount for each additional knob with the same design. Please call Randy at 866-920-2741 ext. 289, or email him at customparts@mcfarlaneaviation.com for details.

Engraving Request Form