140mm ID x 4mm C/S (148mm OD) Nitrile O Ring
£0.25 – £1.95 / each
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each
total
153 in stock, ready for shipping today.
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Nitrile O Rings
904 products
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BS028 Nitrile O Ring - 34.65mm ID x 1.78mm (38.21mm OD)
£0.07 – £0.85 / each
Waseach totalView specification100 in stock, ready for shipping today.
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BS239 Nitrile O Ring - 91.67mm ID x 3.53mm C/S (98.73mm OD)
£0.23 – £1.50 / each
Waseach totalView specification122 in stock, ready for shipping today.
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85mm ID x 4mm C/S (93mm OD) Nitrile O Ring
£0.26 – £2.01 / each
Waseach totalView specification12 in stock, ready for shipping today.
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65mm ID x 5mm C/S (75mm OD) Nitrile O Ring
£0.11 – £1.34 / each
Waseach totalView specification262 in stock, ready for shipping today.
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15mm ID x 2.5mm C/S (20mm OD) Nitrile O Ring
£0.01 – £0.45 / each
Waseach totalView specification4658 in stock, ready for shipping today.
Add 4 more and save 33.0%.
70mm ID x 5mm C/S (80mm OD) Nitrile O Ring
£0.13 – £1.33 / each
Waseach totalView specification32 in stock, ready for shipping today.
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35mm ID x 2.5mm C/S (40mm OD) Nitrile O Ring
£0.05 – £0.90 / each
Waseach totalView specification274 in stock, ready for shipping today.
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76mm ID x 1mm C/S (78mm OD) Nitrile O Ring
£0.21 – £1.58 / each
Waseach totalView specification5 in stock, ready for shipping today.
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23mm ID x 3mm C/S (29mm OD) Nitrile O Ring
£0.03 – £1.09 / each
Waseach totalView specification781 in stock, ready for shipping today.
Add 4 more and save 33.0%.
8mm ID x 4mm C/S (16mm OD) Nitrile O Ring
£0.02 – £0.75 / each
Waseach totalView specification462 in stock, ready for shipping today.
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75mm ID x 2.5mm C/S (80mm OD Nitrile O Ring
£0.15 – £1.48 / each
Waseach totalView specification377 in stock, ready for shipping today.
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About Nitrile O Rings
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 Selo?
- 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
Contact us
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