O RING BACKUP (P/N s0311-110) - New Surplus
P/N: s0311-110
Category: O-Rings
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
The s0311-110 is a PTFE backup ring designed to support an elastomer O-ring and prevent extrusion in pressurized hydraulic glands. This ring installs adjacent to the primary O-ring on the low-pressure side of the seal assembly. Manufactured to aerospace standards such as MS28782 or MS28777, it provides critical protection in aircraft hydraulic actuators and fittings operating under high pressure.
Proper dash size and orientation per the applicable maintenance manual ensure effective sealing performance and component reliability.
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 O RING BACKUP (P/N s0311-110)?
The s0311-110 is a PTFE backup ring designed to support an elastomer O-ring and prevent extrusion in pressurized hydraulic glands. This ring installs adjacent to the primary O-ring on the low-pressure side of the seal assembly.
What material is the s0311-110 made from?
Aircraft seals and O-rings are manufactured from various elastomers including nitrile (Buna-N), fluorocarbon (Viton), silicone, and PTFE depending on the application. The O RING BACKUP meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the s0311-110 in bulk quantities?
Yes, we stock seals and gaskets in quantity and offer bulk pricing. Submit a Request for Quote (RFQ) for volume orders, or call (904) 998-9101 for immediate quantity availability on the s0311-110.
What is the shelf life of the s0311-110?
Elastomeric seals have manufacturer-specified shelf lives that vary by material and storage conditions. We follow industry standards for cure date tracking and proper climate-controlled storage. Contact us for shelf life details on the s0311-110.
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