11.5mm ID x 2.5mm C/S (16.5mm OD) Nitrile O Ring
£0.02 – £0.50 / each
Was
each
total
1282 in stock, ready for shipping today.
Add 4 more and save 33.0%.
Nitrile O Rings
904 products
- View specification
28mm ID x 1mm C/S (30mm OD) Nitrile O Ring
£0.02 – £0.50 / each
Waseach totalView specification488 in stock, ready for shipping today.
Add 4 more and save 33.0%.
10mm ID x 3.5mm C/S (17mm OD) Nitrile O Ring
£0.02 – £0.50 / each
Waseach totalView specification8 in stock, ready for shipping today.
Add 4 more and save 33.0%.
15mm ID x 3.5mm C/S (22mm OD) Nitrile O Ring
£0.02 – £0.50 / each
Waseach totalView specification550 in stock, ready for shipping today.
Add 4 more and save 33.0%.
11mm ID x 2.5mm C/S (16mm OD) Nitrile O Ring
£0.02 – £0.50 / each
Waseach totalView specification541 in stock, ready for shipping today.
Add 4 more and save 33.0%.
5mm ID x 3.5mm C/S (12mm OD) Nitrile O Ring
£0.02 – £0.50 / each
Waseach totalView specification647 in stock, ready for shipping today.
Add 4 more and save 33.0%.
M14 Bonded Seal Washers - Nitrile Sealing Washer . Self Centralising - not Dowty
£1.43 / each
Waseach totalView specificationIn stock, ready for shipping today.
3.5mm ID x 1mm C/S (5.5mm OD) Nitrile O Ring
£0.02 – £0.50 / each
Waseach totalView specification401 in stock, ready for shipping today.
Add 4 more and save 33.0%.
M5 Bonded Seal Washers - Nitrile Sealing Washer . Self Centralising - not Dowty
£1.43 / each
Waseach totalView specificationIn stock, ready for shipping today.
11mm ID x 3.5mm C/S (18mm OD) Nitrile O Ring
£0.02 – £0.50 / each
Waseach totalView specification635 in stock, ready for shipping today.
Add 4 more and save 33.0%.
BS114 Nitrile O Ring - 15.54mm ID x 2.62mm C/S (20.78mm OD)
£0.02 – £0.50 / each
Waseach totalView specification261 in stock, ready for shipping today.
Add 4 more and save 33.0%.
Bonded Seal Washer - 5/8" BSP Nitrile Sealing . Self Centralising - not Dowty
£1.82 / each
Waseach totalView specificationIn stock, ready for shipping today.
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
Here to help
Got a question we haven’t answered yet? Ask our team. We reply within a day, and good questions become new articles for everyone.