حلقات O-Ring من فيتون FKM | 0.139" CS X 3.609" ID | AS568-239 | داش 239 | صلابة 75 | أسود (13 / عبوة)

These fit perfectly on my old pressure regulator that needed a high-temp seal. The 75 durometer feels sturdy, and the -15°F to +400°F range gives me confidence for steam applications.

I’ve been searching for an o-ring that can handle high heat without degrading, and the 400°F rating on these is what sold me. The 3.609" inner diameter was a perfect match for my setup, and the pack of 13 gave me plenty of spares. They feel dense and solid, no squishy cheapness at all.

These 75 durometer Viton FKM rings fit perfectly on my hydraulic fitting, and the -15°F to +400°F temperature range gives me peace of mind for a wide variety of applications. The 3.609" ID was exactly what I needed, and the black finish looks clean.