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. 3 in, Nominal Width 1/8 in, Actual Inside Dia. 2.984 in, Actual Width 0.139 in, Dash Number 234, Color White, Durometer 55D, Nominal Outside Dia. 3 1/4 in, Actual Outside Dia. 3.262 in, Temp. Range -300 Degrees to 500 Degrees F, , Package Quantity 5