O-Ring No Metal Detectable No X-Ray Detectable System of Measurement Inch Cross Section Shape Round O-Ring Material Kalrez 4079 Durometer (Hardness) Rating Medium Hard Nominal Inside Dia 7/32 in Nominal Width 1/16 in Actual Inside Dia 0.2 in Actual Width 0.07 in Dash Number 009 Color Black Durometer 75 Shore A Nominal Outside Dia 11/32 in Actual Outside Dia 0.348 in Temp Range 30 Degrees to 600 Degrees F FDA Approved No