O-Ring, Not Metal Detectable Metal Detectable, Not X-Ray Detectable X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material PTFE, Durometer (Hardness) Rating Very Hard, Nominal Inside Dia. 4 1/2 in, Nominal Width 1/8 in, Actual Inside Dia. 4.484 in, Actual Width 0.139 in, Dash Number 246, Color White, Durometer 55D, Nominal Outside Dia. 4 3/4 in, Actual Outside Dia. 4.762 in, Temp. Range -100 Degrees to 500 Degrees F, FDA Approved FDA Compliant. This item has been restricted from sale in the following state (s): []