O-Ring Silicone AS568 Dash Number 905 Actual Width 0.072 In. Actual Inside Dia 0.414 In. Outside Dia 0.558 In. Cross Section Shape Round Durometer Rating Medium Hard Durometer 70 Shore A Nominal Inside Dia 2/5 In. Nominal Outside Dia 5/16 In. Color Red Temp Range -65 Degrees to 450 Degrees F Meets/Exceeds SAE J200 ASTM D2000 FDA Approved Package Quantity 50