Manufacturer Varies O-Ring, Silicone, 5-1/8, 5.387, PK10 GR-S70251/10

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, Nominal Inside Dia. 5 1/8 in, Nominal Width 1/8 in, Actual Inside Dia. 5.109 in, Actual Width 0.139 in, Dash Number 251, Color Red, Durometer 70A, Meets/Exceeds ASTM D2000 -VQM 70, FDA 21 CFR 177.2600, Nominal Outside Dia. 5 3/8 in, Actual Outside Dia. 5.387 in