O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material EPDM, Durometer (Hardness) Rating Medium Hard, Actual Inside Dia. 0.301 in, Actual Width 0.064 in, Dash Number 903, Color Black, Durometer 70 Shore A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 3/16 in, Actual Outside Dia. 0.429 in, Temp. Range -65 Degrees to 300 Degrees F, No, Package Quantity 90