FS4000-12 Buna-N NBR Face Seal O-Ring | 90-Durometer Hydraulic Seal

Product Description

The FS4000-12 Buna-N NBR Face Seal O-Ring is a robust sealing component for SAE ORFS (O-Ring Face Seal) hydraulic systems. With its 90-durometer Buna-N nitrile composition, this O-ring is built to resist wear, extrusion, and fluid degradation in systems operating under pressure.

Specifications

• Material: Buna-N (90 Durometer)
  
• Shape: O-Ring
  
• Nominal Size: 12
• Compatible with SAE ORFS fittings
  

Features

• Durable nitrile construction
  
• Excellent sealing under high pressure
  
• Stable to temperature and vibration stresses
  
• Optimized for flat face seal systems
  

Applications

• Industrial hydraulic adapters
  
• Mobile equipment hydraulic lines
  
• Maintenance and assembly operations

Designed to seal flat face surfaces on ORFS adapters, connectors, and hose ends, the FS4000-12 helps maintain leak-free performance across a range of industrial hydraulic applications. Its balanced hardness supports system reliability without compromising adaptability to fluid pressure changes.