Product Details: Manufacturer Part Number: ZMSCS70338|Material|SiliconeDash Number|338Inside Diameter (Inch)|3-1/8inInside Diameter (Decimal Inch)|3.1250Inside Diameter (mm)|Outside Diameter (Inch)|3-1/2inOutside Diameter (Decimal Inch - 4 Decimals)|3.5000Outside Diameter (mm)|Thickness (Inch)|3/16inThickness (mm)|Hardness|70Cross Section Shape|RoundMinimum Working Temperature (Deg F)|-80Maximum Working Temperature (F)|450Hardness Rating|HardSizes Included|Minimum Working Temperature|Maximum Working Temperature|Durometer|Compatible Material|Oils; Chemicals; SolventsFeatures|Recommended For Applications Requiring A Wide Temperature Range & Good Dry Heat Resistance. Good Weather & Ozone Resistance. Limited Oil ResistanceColor|WhiteFDA Approved|NoStandards|Coupling Size|Inside Diameter Range|For Use With|Additional Information|Inside Diameter Range (Inch)|Durometer Shore A|Thickness (Decimal Inch - 4 Decimals)|0.1875Width (Decimal Inch - 4 Decimals)|Tube Outside Diameter (Fractional Inch)|Number Of Pieces|System Of Measurement|Number Of Sizes|Type|Product Service Code|UNSPSC Code|31401503