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 Medium Hard Nominal Inside Dia 5/64 in Nominal Width 1/16 in Actual Inside Dia 0.07 in Actual Width 0.07 in Dash Number 004 Color Black Durometer 70 Shore A Meets/Exceeds ASTM D2000 SAE J200 Nominal Outside Dia 13/64 in Actual Outside Dia 0.21 in Temp Range -40 Degrees to 250 Degrees F FDA Approved No Package Quantity 100