Manufacturer Part Number: ZMSCH70MD338|Material|Buna-NDash Number|338Inside Diameter (Inch)|Inside Diameter (Decimal Inch)|3.1000inInside 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)|-40Maximum Working Temperature (F)|250Hardness Rating|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|Metal Detectable FDAInside 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|4510UNSPSC Code|31401503