40 mm, Actual Outside Dia.
40 mm, Temp. O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Metric, Cross Section Shape Round, O-Ring Material Buna N, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia.5mm Wide 31mm ID, PK10 Range -40 Degrees to 250 Degrees F, FDA Approved No, Properties Resistant to Oils, Resistant to Water, Application Standard 31 mm, Actual Width 4.5 mm, Color Black, Durometer 70 Shore A, Nominal Outside Dia.