Backup O-Ring, Material PTFE, Radius Not Applicable, Actual Width 0.183 in, Nominal Width 1/16 in, Actual Inside Dia. 2.643 in, Nominal Inside Dia. 2 41/64 in, Actual Outside Dia. 3.009 in, Nominal Outside Dia. 11/32 in, Cross Section Shape Rectangular, Durometer 55D, Durometer (Hardness) Rating Very Hard, Color White, Temp. Range -100 Degrees to 500 Degrees F, Package Quantity 10. This item has been restricted from sale in the following state (s): []