POTENTIOMETER (P/N 140-4538-01) - New Surplus, As Removed

The 140-4538-01 is a potentiometer that provides variable resistance control in aircraft electrical circuits. This component adjusts signal levels for cockpit lighting dimmers and other indication systems requiring proportional control. Commonly used in Hawker 800/800XP/850XP/900XP aircraft, the potentiometer meets MIL-PRF-39023 performance standards for aviation applications.

Installation and calibration follow the aircraft's Maintenance Manual (AMM) procedures. Verify applicability against the Illustrated Parts Catalog and wiring diagrams before installation to ensure correct circuit integration.

What is the POTENTIOMETER (P/N 140-4538-01)?

The 140-4538-01 is a potentiometer that provides variable resistance control in aircraft electrical circuits. This component adjusts signal levels for cockpit lighting dimmers and other indication systems requiring proportional control.

Is the 140-4538-01 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The POTENTIOMETER is available in: New Surplus, As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the 140-4538-01 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the 140-4538-01?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.