ANTI-EXTRUSION RING (P/N 20903) - New Surplus
P/N: 20903
Category: General Aircraft Parts
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 | 19 Available |
Product Description
Part 20903 is a PTFE anti-extrusion (backup) ring that prevents O-ring seal failure under high pressure in aerospace hydraulic and pneumatic systems. This ring supports AS568-compliant O-rings installed in AS4716 gland configurations, protecting seals from extrusion damage during actuator operation. The thermoplastic construction withstands pressure cycling in hydraulic actuators, landing gear systems, and flight control assemblies.
Verify dash size and gland geometry against your component maintenance manual before installation to ensure proper seal stack compatibility.
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 ANTI-EXTRUSION RING (P/N 20903)?
Part 20903 is a PTFE anti-extrusion (backup) ring that prevents O-ring seal failure under high pressure in aerospace hydraulic and pneumatic systems. This ring supports AS568-compliant O-rings installed in AS4716 gland configurations, protecting seals from extrusion damage during actuator operation.
What conditions is the 20903 available in?
The 20903 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the 20903?
The 20903 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the 20903?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.
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