This O-Ring has a diameter of 90 mm and is SS 316 in color. The hardness of this Garlock PS-Seal® 70x90x16 - MEC05-10049 - Rotary Shaft Seal - GYLON/PTFE - Standard - 25 Bar - Black is 70. Alternative names for the compound are , and it is commonly produced by . The O-Ring is typically used in and has an operating temperature range from STD 25 BAR to . O-Rings 8518029 are referred to as 30268 and have a DIN 3771 size of 90. This item is equivalent to and has an approval. The chemical name of this O-Ring is .