O-Ring No Metal Detectable No X-Ray Detectable System of Measurement Inch Cross Section Shape Round O-Ring Material Viton Durometer (Hardness) Rating Medium Hard Nominal Inside Dia 4 1/4 in Nominal Width 3/32 in Actual Inside Dia 2.337 in Actual Width 0.118 in Dash Number 932 Color Black Durometer 75 Shore A Meets/Exceeds ASTM D2000 SAE J200 Nominal Outside Dia 4 7/16 in Actual Outside Dia 2.573 in Temp Range -15 Degrees to 400 Degrees F FDA Approved No