Nitrile O Rings

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Nitrile (NBR) O-Rings – Fuel, Oil & General-Purpose Sealing

NBR (Nitrile Butadiene Rubber) O-rings are a top choice for sealing fuels, oils, air, and water in automotive, agricultural, and industrial systems. They're a versatile, cost-effective solution for low-to-mid temperature sealing.

Our nitrile O-rings are available in:

  • Wide range of metric sizes
  • All standard BS sizes (BS001–BS932)
  • Hardness of 70 Shore A as standard

🛠️ Common Uses for Nitrile O-Rings

  • Fuel & oil systems
  • Hydraulic pumps & valves
  • Water fittings
  • Air compressors
  • Brake systems

⚖️ Nitrile vs FKM vs Silicone – Quick Comparison

Feature NBR (Nitrile) FKM (Viton®) Silicone
Temp Range –40 °C to +120 °C –20 °C to +200 °C –50 °C to +200 °C
Oil & Fuel Resistance Good Excellent Poor
Abrasion Resistance Excellent Good Poor
Chemical Resistance Moderate Excellent Limited
Cost Budget-friendly Premium Mid-range

✅ Why Buy NBR O-Rings from SealWithSelo?

  • Wide range or metric and imperial sizes – no MOQ
  • Each o ring individually bagged
  • Buy single items or bulk packs
  • Next-day UK dispatch available
  • Need a size not listed? Contact us – we’ll find it