GRAINGER APPROVED O-Ring Metric X Buna N, 712X74

O-Ring No Metal Detectable No X-Ray Detectable System of Measurement Metric Cross Section Shape X O-Ring Material Buna N Durometer (Hardness) Rating Medium Hard Nominal Inside Dia 50 mm Nominal Width 3 mm Actual Inside Dia 50 mm Actual Width 3 mm Color Black Durometer 70 Shore A Nominal Outside Dia 56 mm Actual Outside Dia 56 mm Temp Range -40 Degrees to 250 Degrees F FDA Approved No Properties Resistant to Oils Resistant to Water Application Standard