حلقات O-Ring من Viton FKM | قطر داخلي 1.236 بوصة × مقطع عرضي 0.103 بوصة | AS568-124 | داش 124 | صلابة 90 (150/عبوة)

These handled the constant heat near my furnace blower perfectly where other seals kept failing. The 90 durometer hardness is noticeably stiffer, but they seated just fine and the 400°F rating gives me real peace of mind.

Finally got around to replacing the old rubber ones on my hydraulic line, and the 90 durometer stiffness is exactly what I needed to stop the squish. These Viton rings handled a 350°F steam fitting without any softening, so the -15°F to 400°F range feels legit. A hundred fifty in the pack means I've

The high-temperature rating on these is no joke—my hydraulic system runs at 350°F and these haven't hardened or cracked after months of use. They fit the groove perfectly and the 90 durometer gives just the right firmness for a tight seal.