331 Buna/nbr Nitrile O-Ring 70A Durometer Black, Sterling Seal and Supply (250 Pack)
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Product Details
Made of Black Buna-Nitrile (also called Buna-N) for use with a variety of fluids from petroleum to aliphatic hydrocarbons||O-ring Size - Actual (b) per AS568A Metric O-ring Size per AS568A (b)ID (Nominal): 2-1/4 OD (Nominal): 3/16 CS (Nominal): 2-5/8||Durometer (hardness) of 70A for resistance to penetration||Round cross-section to provide a seal between cylindrical overlapping surfaces||For use across a wide temperature range from -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C)