30mmID x 34mmOD 2.0mm Cross Section Nitrile Metric O-Ring / OUTSIDE DIAMETER: 34.0 MILLIMETERS NOMINAL TEMP RATING: -40.0 DEG FAHRENHEIT AND 212.0 DEG FAHRENHEIT CROSS-SECTIONAL HEIGHT: 2.0 MILLIMETERS NOMINAL CENTER HOLE DIAMETER: 30.0 MILLIMETERS NOMINAL HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL PART NAME ASSIGNED BY CONTROLLING AGENCY: O-RING SPECIAL FEATURES: MATERIAL NITRILE, TENSILE STRENGTH 2030 PSI, DIMENSIONS PER AS568C COLOR: BLACK MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 SINGLE MATERIAL RESPONSE