Backup O-Ring, Material TPE, For Use with AS568A Dash No. 332, Thickness 0.065 in, Actual Width 0.164 in, Nominal Width 3/16 in, Actual Inside Dia. 2.4 in, Nominal Inside Dia. 2 3/8 in, Nominal Outside Dia. 2 3/4 in, Cross Section Shape Rectangular, Durometer 55D, Durometer (Hardness) Rating Very Hard, Color Orange, Temp. Range -65 Degrees to 275 Degrees F, Package Quantity 25