O-Ring, Not Metal Detectable Metal Detectable, Not X-Ray Detectable X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material Silicone, Durometer (Hardness) Rating Medium Hard, Actual Inside Dia. 0.239 in, Actual Width 0.064 in, Dash Number 902, Color Red, Durometer 70A, Meets/Exceeds ASTM D2000, FDA Approved, SAE J200, Nominal Outside Dia. 1/8 in, Actual Outside Dia. 0.367 in, Temp. Range -65 Degrees to 450 Degrees F, FDA Approved FDA Approved, Package Quantity 50.