O-Ring, Metal Detectable Metal Detectable, Not X-Ray Detectable X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material Buna N, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 1 in, Nominal Width 1/8 in, Actual Inside Dia. 0.9 in, Actual Width 0.139 in, Dash Number 214, Color Black, Durometer 70A, Nominal Outside Dia. 1 1/4 in, Actual Outside Dia. 1.262 in, Temp. Range -30 Degrees to 250 Degrees F, FDA Approved FDA Approved