X-Ray and Metal Detectable O-Ring Yes Metal Detectable Yes X-Ray Detectable System of Measurement Inch Cross Section Shape Round O-Ring Material Buna N Durometer (Hardness) Rating Medium Hard Nominal Inside Dia 7/8 in Nominal Width 3/32 in Actual Inside Dia 1.234 in Actual Width 0.139 in Dash Number 218 Color Blue Durometer 70 Shore A Meets/Exceeds FDA Nominal Outside Dia 1 1/16 in Actual Outside Dia 1.5 in Temp Range -30 Degrees to 250 Degrees F FDA Approved Yes