حلقات O من مطاط بونا-ن نيترايل | 0.103 بوصة مقطع × 1.049 بوصة قطر داخلي | AS568-121 | داش 121 | صلابة 70 | أسود (800/عبوة)

The cross-section on these o-rings is exactly 0.103" as listed, which made swapping out seals on an old pneumatic cylinder straightforward. Fit snugly into the groove without any distortion, and the 70 durometer feels just right for the application.

Ordered a pack for a hydraulic repair job and the 70 durometer hardness feels just right for a snug seal without being too stiff. These nitrile rings fit the groove perfectly on my application and show no signs of swelling after a few weeks in service. For the price per piece, it’s hard to beat the

The temperature range on these is spot on for my application, they’ve held up fine at 200°F without any hardening. The 70 durometer feels like the right balance—firm enough to seat properly, but they still slipped into the groove without a fight. Exactly the size I needed for a 1-inch bore.