5-1/2" ID X 6-1/8" OD X 5/16" HT

The L31205500 is a Polyurethane (AU/EU) Standard Profile Loaded Lip Seal with a 5-1/2 inch inside diameter, a 6-1/8 inch outside diameter, and a height of 5/16 inch. This loaded lip seal uses a flexible sealing lip energized by system pressure to hold a tight seal on a moving rod or piston. This item is further identified as Loaded Lip Seal (standard) Urethane.

Polyurethane (AU/EU) is specified here for outstanding extrusion resistance at elevated pressure and toughness that outperforms conventional rubber compounds. It resists extrusion under high pressure, abrasion and wear, and petroleum oils.

Maintenance and OEM teams specify it across high-pressure fluid power, hydraulic cylinders, and mining and heavy equipment.

Reference part number L31205500 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.