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FLAP SWITCH (P/N fem4138-1) - Serviceable

P/N: fem4138-1

Category: Switches

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In Stock (1 available)
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This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).

Available Inventory

Condition Stock
Serviceable 1 Available

Product Description

The fem4138-1 is a momentary-contact flap selector switch for aircraft wing flap control. This DPDT (double-pole, double-throw) panel-mounted switch commands electrically actuated flap motors through reversing contacts, allowing pilots to extend or retract flaps as needed during flight operations. Compliant with MIL-DTL-3950 aerospace standards, the switch features a center-off position for neutral operation.

Installation requires verification against aircraft Illustrated Parts Catalog (IPC) data and proper wiring to the flap motor controller per maintenance documentation.

Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.

Frequently Asked Questions

What is the FLAP SWITCH (P/N fem4138-1)?

The fem4138-1 is a momentary-contact flap selector switch for aircraft wing flap control. This DPDT (double-pole, double-throw) panel-mounted switch commands electrically actuated flap motors through reversing contacts, allowing pilots to extend or retract flaps as needed during flight operations.

Is the fem4138-1 compatible with my aircraft's avionics suite?

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

Does the fem4138-1 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 fem4138-1?

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.

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