O-Ring No Metal Detectable No X-Ray Detectable System of Measurement Inch Cross Section Shape Round O-Ring Material Silicone Durometer (Hardness) Rating Medium Hard Nominal Inside Dia 1/16 in Nominal Width 1/16 in Actual Inside Dia 0.056 in Actual Width 0.06 in Dash Number 003 Color Red Durometer 70 Shore A Meets/Exceeds ASTM D2000 FDA Approved SAE J200 Nominal Outside Dia 3/16 in Actual Outside Dia 0.176 in Temp Range -65 Degrees to +400 Degrees F FDA Approved Yes