O-Ring Viton FKM 0.139" CS X 3.109" ID | AS568-235 | Dash 235 | Conforme FDA | Durezza 60 | Bianco (10/Confezione)

These white o-rings handle the heat in my commercial steamer perfectly; the high-temp Viton material is exactly what I needed for a safe seal at 350°F. The 3.109" inner diameter fit my housing groove snugly right out of the package.

The white color made it easy to spot these during assembly, and the 60 durometer hardness gave them just the right flexibility for seating into the groove without any risk of tearing. They’ve held up fine in our high-heat application near the 400°F limit, no swelling or hardening after two weeks of

I needed o-rings that could handle steam sterilization at work, and these white Viton FKM ones have held up perfectly in the 200°F range so far—no swelling or cracking. The 0.139" cross-section was an exact fit for my application, and the 60 durometer seals well without being too stiff.