1-5/8" Nitrile Piston Cup (SKU:1251925) for 1.625" ID Cylinder, molded from NBR rubber with Shore hardness 75A±3 via compression vulcanization. Temperature resistance -40°C to 120°C, tensile strength ≥12MPa. Recommends 5257218 packing washer, API 7K compliant for FMC BEAN power ends.
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