O-Ring EPDM AS568 Dash Number 121 Actual Width 0.103 In. Actual Inside Dia 1.049 In. Outside Dia 1.255 In. Cross Section Shape Round Durometer Rating Medium Hard Durometer 70 Shore A Nominal Width 3/32 In. Nominal Inside Dia 1-1/16 In. Nominal Outside Dia 1-1/4 In. Color Black Temp Range -65 Degrees to 300 Degrees F Meets/Exceeds SAE J200 ASTM D2000 Package Quantity 50