O-Ring No Metal Detectable No X-Ray Detectable System of Measurement Inch Cross Section Shape Round O-Ring Material Buna N Durometer (Hardness) Rating Very Hard Actual Inside Dia 1.475 in Actual Width 0.118 in Dash Number 920 Color Black Durometer 90 Shore A Meets/Exceeds ASTM D2000 SAE J200 Nominal Outside Dia 1 1/4 in Actual Outside Dia 1.711 in Temp Range -15 Degrees to 400 Degrees F FDA Approved No Package Quantity 100