O-Ring No Metal Detectable No X-Ray Detectable System of Measurement Inch Cross Section Shape Round O-Ring Material Viton Durometer (Hardness) Rating Very Hard Nominal Inside Dia 2 3/32 in Nominal Width 1/8 in Actual Inside Dia 2.09 in Actual Width 0.118 in Dash Number 928 Color Black Durometer 90 Shore A Meets/Exceeds ASTM D2000 SAE J200 Nominal Outside Dia 2 5/16 in Actual Outside Dia 2.326 in Temp Range -15 Degrees to 400 Degrees F FDA Approved No Package Quantity 25