Round #389 Very Hard Buna N O-Ring, 19.955" I.D., 20.375"O.D., 1EA
System of MeasurementInch
Cross Section ShapeRound
O-Ring MaterialBuna N
Durometer (Hardness) RatingVery Hard
Nominal Inside Dia.20"
Actual Inside Dia.19.955"
Durometer90 Shore A
Meets/ExceedsASTM D2000, NBR 90
Nominal Outside Dia.20-3/8"
Actual Outside Dia.20.375"
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