#222 1-1/2"ID x 1-3/4"OD 0.139" Cross Section Nitrile Standard O-Ring / OUTSIDE DIAMETER: 1.750 INCHES NOMINAL TEMP RATING: -40.0 DEG FAHRENHEIT AND 250.0 DEG FAHRENHEIT CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL CENTER HOLE DIAMETER: 1.500 INCHES NOMINAL END ITEM IDENTIFICATION: 3930-01-599-9978 HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL COLOR: BLACK MATERIAL: RUBBER BUTADIENE NITRILE