O-Ring EPDM AS568 Dash Number 143 Actual Width 0.103 In. Actual Inside Dia 2.425 In. Outside Dia 2.631 In. Cross Section Shape Round Durometer Rating Medium Hard Durometer 70 Shore A Nominal Width 3/32 In. Nominal Inside Dia 2-7/16 In. Nominal Outside Dia 2-5/8 In. Color Black Temp Range -65 Degrees to 300 Degrees F Meets/Exceeds SAE J200 ASTM D2000 Package Quantity 25