RELAY (P/N m402-d4a) - As Removed, Serviceable
P/N: m402-d4a
Category: Relays
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 |
|---|---|
| As Removed | 2 Available |
| Serviceable | 2 Available |
Product Description
The M402-D4A is a Leach International latching relay designed for 28 VDC aircraft electrical systems. This hermetically sealed component features a 4PDT (four-pole double-throw) contact arrangement and meets MIL-PRF-6106 military aerospace standards. It switches high-current loads from low-current control circuits in power distribution networks.
Commonly used in aircraft electrical panels and control systems where reliable latching action and sealed construction protect against environmental contamination. Installation requires verification of IPC compatibility and adherence to aircraft maintenance manual procedures.
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 RELAY (P/N m402-d4a)?
The M402-D4A is a Leach International latching relay designed for 28 VDC aircraft electrical systems. This hermetically sealed component features a 4PDT (four-pole double-throw) contact arrangement and meets MIL-PRF-6106 military aerospace standards.
Is the m402-d4a compatible with my aircraft's avionics suite?
Avionics compatibility depends on your aircraft model and existing installation. The RELAY is available in: As Removed, Serviceable. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.
Does the m402-d4a 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 m402-d4a?
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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