5/8 in, Actual Outside Dia.
0. O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Inch, Cross Section Shape Rectangular, O-Ring Material Buna N, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. Square Profile Buna-N O-Ring, Dash 014, PK100 Range -40 Degrees to 250 Degrees F, FDA Approved No, Properties Resistant to Oils, Resistant to Water 0.4 in, Actual Width 0.