Manufacturer Part Number: TES70328|Material|Polytetrafluroethylene-Encapsulated SiliconeDash Number|328Inside Diameter (Inch)|1-7/8inInside Diameter (Decimal Inch)|1.8750Inside Diameter (mm)|Outside Diameter (Inch)|2-1/4inOutside Diameter (Decimal Inch - 4 Decimals)|2.2500Outside Diameter (mm)|Thickness (Inch)|3/16inThickness (mm)|Hardness|70Cross Section Shape|RoundMinimum Working Temperature (Deg F)|-75Maximum Working Temperature (F)|400Hardness Rating|HardSizes Included|Minimum Working Temperature|Maximum Working Temperature|Durometer|Compatible Material|Features|Seamless & Uniform Teflon FEP Encapsulation Which Completely Encloses A Core Material Of Either Silicone Or Viton Elastomer. Matches The Chemical & Temperature Resistance of Solid PTFE O-Rings & Possesses The Elasticity & Recovery PropertiesColor|BlackFDA 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|4510UNSPSC Code|31401503