Manufacturer Varies O-Ring,EPDM,Dash 354,5-1/8,5.520,PK2 GR-N90346/2

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 1/8 in, Nominal Width 3/16 in, Actual Inside Dia. 4.1 in, Actual Width 0.21 in, Dash Number 346, Color Black, Durometer 90A, Meets/Exceeds ASTM D2000, NBR 90, Nominal Outside Dia. 4 1/2 in, Actual Outside Dia. 4.52 in, FDA Approved Not FDA Compliant, Application Standard