Engineered for SAE straight-thread boss port fittings, our 90A Durometer Buna-N Boss O-rings deliver reliable, leak-free sealing in high-pressure hydraulic systems. Conforming to SAE J1926 / ISO 11926 boss port standards, these O-rings are precision-molded to ensure consistent compression and long-lasting performance in demanding industrial environments.
Key Features
90A Durometer (Shore A) hardness for superior extrusion resistance under high pressure
Precision-molded to SAE J1926 boss port dimensional standards
Excellent resistance to petroleum-based hydraulic oils, fuels, and lubricants
Low compression set for a lasting, reliable seal over extended service life
Suitable for static sealing in straight-thread boss port connections
Material Specifications
Material: Buna-N (Nitrile Rubber)
Hardness: 90 Shore A Durometer
Standard: SAE J1926 / ISO 11926
Temperature Range: -40°F to +250°F (-40°C to +121°C)
Common Applications
SAE straight-thread boss port fittings on hydraulic cylinders, pumps, and valves
