O-Ring, Metal Detectable Metal Detectable, Not X-Ray Detectable X-Ray Detectable, System of Measurement Inch, Cross Section Shape Rectangular, O-Ring Material Buna N, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 9/16 in, Nominal Width 1/16 in, Actual Inside Dia. 0.5 in, Actual Width 0.07 in, Dash Number 015, Color Black, Durometer 70A, Nominal Outside Dia. 11/16 in, Actual Outside Dia. 0.691 in, Temp. Range -40 Degrees to 250 Degrees F, FDA Approved FDA Approved