SA313-101

RUDDER TRIM KNOB
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About this product
The SA313‑101 Rudder Trim Knob is a precision‑machined, aircraft‑grade control knob designed for pilot adjustment of rudder trim systems. Constructed from anodized aluminum with a knurled grip and tactile detents, it provides a smooth, positive control feel and clear position indexing in both cockpit and simulator environments.
SA313-101 Datasheet
UOM: EA
Hazardous Item: Non-Hazardous Item
Lead Time: Stock
Certification: TRACE
8130/EASA Eligible: Yes
PRODUCT DESCRIPTION

SA313-101

  • Anodized Aluminum Body: Lightweight and corrosion‑resistant for durability in the cockpit.

  • Knurled Grip Surface: Ensures positive fingertip control even with gloves or in turbulence.

  • Detented Indexing: Click‑through detents every 2° of rotation for precise trim settings.

  • Integrated Position Markers: Laser‑etched scale around the circumference for visual reference.


  • Allows pilots to adjust rudder trim during takeoff and landing.

  • Provides realistic trim feedback and indexing in pilot‑training devices.

  • Used on cockpit mock‑ups to verify trim actuator response during shop checks.

  • Installed in prototype cockpits for engineering evaluation of control feel.


  • How many detents per full rotation?

There are 24 equally spaced detents, corresponding to 2° increments over 360°.

  • How do I clean and maintain the knob?

Wipe with a soft cloth dampened with mild soap solution; avoid harsh solvents that can dull the anodizing.

  • Does it retain the detent feel over time?

Yes, the stainless‑steel detent spring and hardened indexing ring maintain crisp clicks for over 50,000 cycles.


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