O-Rings Finder
Search specification
Choose a material, then search by dimensions or BS reference.
Metric dimensions
ID + cross section
BS number
Direct lookup
Material *
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Viton® 75 Shore
FKM 75 Shore
Viton® 90 Shore
FKM 90 Shore
Nitrile 70 Shore
Nitrile 90 Shore
EPDM 70 Shore
Fluorosilicone 70 Shore
HNBR 70 Shore
HNBR 90 Shore
Neoprene 70 Shore
PTFE
Silicone 70 Shore
Viton® 75 Shore FDA
FKM 75 Shore FDA
Nitrile 70 Shore FDA
Nitrile 90 Shore FDA
EPDM 70 Shore FDA
Silicone 70 Shore FDA
Internal Diameter (mm) *
Cross Section (mm) *
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Smart matching:
If your metric size matches a BS code, we will automatically switch to the BS reference.
BS Size *
Enter the BS number without the prefix (use 5 for BS005)
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Common sizes:
BS005 (2.57 × 1.78), BS110 (9.19 × 2.62), BS210 (18.64 × 3.53), BS325 (37.47 × 5.33)
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