O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material Viton, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 2 3/4 in, Nominal Width 1/16 in, Actual Inside Dia. 2.739 in, Actual Width 0.07 in, Dash Number 039, Color Black, Durometer 75 Shore A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 2 7/8 in, Actual Outside Dia. 2.879 in, Temp. Range -15 Degrees to 400 Degrees F, FDA Approved No, Package Quantity 10