P/N: 21-4001
Category: Switches
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 1 Available |
The 21-4001 is a bleed switch valve kit for aircraft pneumatic systems. This component controls and isolates engine bleed air routed to environmental control equipment, managing high-temperature pneumatic flow in the air supply circuit. Configured as a line-replacement assembly per aerospace maintenance standards, it integrates directly into the engine bleed-air system.
Installation requires verification of Aircraft Maintenance Manual procedures and Illustrated Parts Catalog compatibility before integration. Perform leak-check per applicable maintenance documentation to ensure system integrity.
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.
The 21-4001 is a bleed switch valve kit for aircraft pneumatic systems. This component controls and isolates engine bleed air routed to environmental control equipment, managing high-temperature pneumatic flow in the air supply circuit.
Avionics compatibility depends on your aircraft model and existing installation. The BLEED SWITCH VALVE KIT is available in: New Surplus. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.
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.
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.