O-Ring, Metal Detectable Metal Detectable, Not X-Ray Detectable X-Ray Detectable, System of Measurement Inch, Cross Section Shape Rectangular, O-Ring Material Viton, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 7/16 in, Nominal Width 1/16 in, Actual Inside Dia. 0.4 in, Actual Width 0.07 in, Dash Number 013, Color Black, Durometer 75A, Nominal Outside Dia. 9/16 in, Actual Outside Dia. 0.566 in, Temp. Range -15 Degrees to 400 Degrees F, FDA Approved FDA Approved