32 mm, Actual Outside Dia.
32 mm, Temp. O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Metric, Cross Section Shape Round, O-Ring Material Silicone, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia.5mm Wide 27mm ID, PK25 Range -80 Degrees to 450 Degrees F, FDA Approved Yes 27 mm, Actual Width 2.5 mm, Color Red, Durometer 70 Shore A, Meets/Exceeds FDA, Nominal Outside Dia.