حلقات O من Viton FKM CS 0.21 بوصة × ID 3.475 بوصة | AS568-341 | داش 341 | صلابة 75 | بني (10/عبوة)

I needed o-rings that could handle high heat for a compressor rebuild, and these FKM ones fit the bill perfectly. The 75 durometer feels just right for a solid seal, and the -15°F to +400°F rating gives me peace of mind. They seated nicely on the first try, no leaks at all.

These fit perfectly on my standard 341 groove and handled a 300°F steam line without any softening or deformation. The brown Viton color is a nice touch for quick identification.

I needed a Viton FKM o-ring that could handle higher temps than standard nitrile, and the 400°F rating on these brown ones fits the bill perfectly. The 75 durometer feels firm but not overly stiff during installation, and they seated nicely in the groove. Exactly what I needed for a steam applicatio