حلقات O فيتون FKM 0.139 بوصة CS × 2.109 بوصة ID | AS568-227 | داش 227 | صلابة 75 | بني (50 / عبوة)

I was a bit worried about whether these would hold up in my high-temp seal application, but they've been perfect so far. The 75 durometer feels just right for a snug fit without being too stiff.

I used these to rebuild a hydraulic cylinder at work, and the Viton material handles the heat from the hot oil without any swelling or hardening. The brown color makes them easy to spot against dark metal, and the 75 durometer feels firm enough for a tight seal.

The -26°C rating was crucial for my freezer application, and these o-rings have held up well through several temperature cycles. No leaks so far, and the 75 durometer feels solid.