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PRESSURE SWITCH (P/N 21sn41-52) - New Surplus

P/N: 21sn41-52

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
New Surplus 1 Available

Product Description

The 21sn41-52 is a pressure switch that monitors system pressure and triggers an electrical signal when pressure reaches a defined setpoint. Manufactured by Eaton Aerospace (CAGE 02750), this switch is commonly used in engine cowl anti-ice pneumatic lines to indicate overpressure conditions. The switch converts pneumatic pressure changes into electrical circuit actuation, providing critical system monitoring for aircraft pneumatic systems.

Installation and adjustment must follow the applicable Aircraft Maintenance Manual and verified compatibility with your aircraft's Illustrated Parts Catalog before use.

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 PRESSURE SWITCH (P/N 21sn41-52)?

The 21sn41-52 is a pressure switch that monitors system pressure and triggers an electrical signal when pressure reaches a defined setpoint. Manufactured by Eaton Aerospace (CAGE 02750), this switch is commonly used in engine cowl anti-ice pneumatic lines to indicate overpressure conditions.

Is the 21sn41-52 compatible with my aircraft's avionics suite?

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

Does the 21sn41-52 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 21sn41-52?

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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