Buna-N O-Ring, Dash 421, PK5, EnjoyTool select, Mfr# ZUSAH70421

O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material Buna N, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 4 in, Nominal Width 1/4 in, Actual Inside Dia. 3.9 in, Actual Width 0.275 in, Dash Number 421, Color Black, Durometer 70 Shore A, Nominal Outside Dia. 4 1/2 in, Actual Outside Dia. 4.525 in, Temp. Range -40 Degrees to 250 Degrees F, FDA Approved No, Properties Resistant to Oils, Resistant to Water