O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Inch, Cross Section Shape Rectangular, O-Ring Material Buna N, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 1 7/8 in, Nominal Width 1/16 in, Actual Inside Dia. 1.8 in, Actual Width 0.07 in, Dash Number 032, Color Black, Durometer 70 Shore A, Nominal Outside Dia. 2 in, Actual Outside Dia. 2.004 in, Temp. Range -40 Degrees to 250 Degrees F, No, Properties to Oils, to Water