Manufacturer Varies O-Ring,Silicone,Dash 106,3/16,0.380,PK2 GR-N90428/2

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 Buna N, Durometer (Hardness) Rating Very Hard, Nominal Inside Dia. 4 7/8 in, Nominal Width 1/4 in, Actual Inside Dia. 4.85 in, Actual Width 0.275 in, Dash Number 428, Color Black, Durometer 90A, Meets/Exceeds ASTM D2000, NBR 90, Nominal Outside Dia. 5 3/8 in, Actual Outside Dia. 5.4 in, FDA Approved Not FDA Compliant, Application Standard