HRU09-0.68-09 – AS568-115 Replacement 70 Duro Nitrile U-Cup Seal

11/16" ID X 7/8" OD X 3/32" HT - AS568-115 Replacement 70 Duro Nitrile

HRU09-0.68-09 Homogeneous U-Cup Seal – Product Description:

Engineered for performance and priced for value, the HRU Homogeneous U-Cup Seal is the go-to replacement for AS568 O-Rings and in demanding pneumatic and hydraulic applications. Whether you're maintaining industrial cylinders, upgrading automation systems, or seeking a more reliable alternative to standard O-Rings, this U-Cup delivers a perfect balance of sealing integrity, durability, and cost-efficiency. The 70 durometer Nitrile material provides long-lasting resistance to oils and hydraulic fluids, making it a smart choice for OEMs, MRO professionals, and field technicians alike. With immediate availability and expert support, The O-Ring Store LLC ensures you get the right seal the first time—every time.

• Part Numbers: HRU09-0.68-09, 666-115, AS568-115 replacement
• Dimensions: 11/16" Inside Diameter x 7/8" Outside Diameter x 3/32" Height
• Homogeneous U-Cup Seal – also known as block vee seal or Pruva™ U-Cup / Huva Cup
• Single-material design ensures predictable and uniform sealing in dynamic applications
• Engineered for low-pressure hydraulic and pneumatic systems
• Performs reliably as a rod or piston seal in linear motion equipment
• Maintains sealing integrity in pressures up to 500 PSI
• Manufactured from 70 durometer Nitrile (Buna-N) – excellent resistance to oils, fuels, and many hydraulic fluids
• Operating temperature range for Nitrile: -40°F to +212°F (-40°C to +100°C)
• Alternative compounds available upon request: FKM (Viton®), EPDM, Neoprene, and more

Ideal For Use In:

• Pneumatic and hydraulic cylinders
• Industrial automation and linear actuators
• General sealing maintenance and O-Ring retrofits
• Applications with space constraints requiring low-friction sealing

Why Choose The O-Ring Store LLC?

• ISO 9001:2015 Certified for quality and consistency
• Free material data sheets and traceability upon request
• Optional Material Certifications and Factory Certificates of Conformance available
• Over 50 million O-Rings and seals in stock and ready to ship
• Industry-best customer service and technical support
• Custom kitting, labeling, and packaging services available