TEF. RING (P/N R513-331) - New Surplus
P/N: R513-331
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 | 7 Available |
Product Description
The R513-331 is a PTFE backup ring designed to support O-rings in aircraft hydraulic components. This polymer ring prevents seal extrusion under system pressure, maintaining groove integrity in hydraulic fittings and connectors. Installed behind the primary O-ring per MS28782 backup ring standards, the R513-331 stabilizes the seal assembly during pressure cycling and temperature fluctuations.
Used in fuel, hydraulic, and pneumatic system interfaces on general aviation and commercial aircraft. Installation and inspection follow aircraft maintenance manual procedures and FAA AC 43.13 guidance.
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 TEF. RING (P/N R513-331)?
The R513-331 is a PTFE backup ring designed to support O-rings in aircraft hydraulic components. This polymer ring prevents seal extrusion under system pressure, maintaining groove integrity in hydraulic fittings and connectors.
What conditions is the R513-331 available in?
The R513-331 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 R513-331?
The R513-331 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 R513-331?
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.