Manufacturer Part Number: ZUSAH90908|Material|Buna-NDash Number|908Inside Diameter (Inch)|Inside Diameter (Decimal Inch)|0.6440inInside Diameter (mm)|Outside Diameter (Inch)|Outside Diameter (Decimal Inch - 4 Decimals)|0.8180inOutside Diameter (mm)|Thickness (Inch)|Thickness (mm)|Hardness|90Cross Section Shape|RoundMinimum Working Temperature (Deg F)|-40Maximum Working Temperature (F)|250Hardness Rating|Extra HardSizes Included|Minimum Working Temperature|Maximum Working Temperature|Durometer|Compatible Material|Petroleum ProductsFeatures|The Most Widely Used O-Ring Elastomer. Excellent Resistance To Petroleum Products. Excellent Compression Set. Tear & Abrasion Resistance. Should Not Be Stored In Direct Sunlight Or Near Motors Or Other Electrical Equipment Which May Generate OzoneColor|BlackFDA Approved|NoStandards|Coupling Size|Inside Diameter Range|For Use With|Additional Information|Color: Black; Grade: Standard; Hardness: HardInside Diameter Range (Inch)|Durometer Shore A|Thickness (Decimal Inch - 4 Decimals)|0.0870inWidth (Decimal Inch - 4 Decimals)|Tube Outside Diameter (Fractional Inch)|Number Of Pieces|100System Of Measurement|Number Of Sizes|Type|Product Service Code|UNSPSC Code|31401503