O RING PACKING BACKUP LTHER (P/N s0311-904) - New Surplus
P/N: s0311-904
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 | 12 Available |
Product Description
The s0311-904 is a leather backup ring conforming to MS35803 specifications for aircraft hydraulic sealing applications. This anti-extrusion support ring installs adjacent to an O-ring within hydraulic actuator glands to prevent seal extrusion under pressure. Rated for service to 1,500 psi, the leather construction provides resilience and support in high-pressure environments.
Installation follows component maintenance manual guidance, positioning the backup ring to work in concert with the primary O-ring seal. Common in landing gear actuators, flight control systems, and other aircraft hydraulic assemblies requiring reliable pressure containment.
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 PACKING BACKUP LTHER (P/N s0311-904)?
The s0311-904 is a leather backup ring conforming to MS35803 specifications for aircraft hydraulic sealing applications. This anti-extrusion support ring installs adjacent to an O-ring within hydraulic actuator glands to prevent seal extrusion under pressure.
What material is the s0311-904 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 PACKING BACKUP LTHER meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the s0311-904 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 s0311-904.
What is the shelf life of the s0311-904?
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 s0311-904.
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