1313718 CATERPILLAR 131-3718: SEAL-O-RING

Applications: High temperature applications requiring resistance to air, fuels, lubricants and hydraulic fluids
Seal/O-Ring Type: Standard
Dash Size (in): 239
Compatible With: Diester lubricants; Halogenated hydrocarbons (above 100 Deg. C); Highly resistant to compression set; Petroleum fluids; Phosphate ester fluids; Silicone fluids; Some acids
Not Compatible With: Amines; Brake fluids; Engine Coolant; Fire Resistant Fluids; Ketones; Steam; Water
Primary Sealing Material: Rubber
Temperature (°F): -40 - 350
Cross Section Diameter (in): 0.139
Inside Diameter (in): 3.609
Outside Diameter (in): 3.887
Hardness (Shore A): 75
SAE AS568 Dash Size: -239
Color: Black
Material: FKM
Material Description: FKM rubber is capable of service temperatures of -40 to 150C and is resistant to air, fuel (including bio-diesel), lubricants and oils. FKM rubber should not be used in applications that require resistance to water or coolant.
Coating: None
Color Notes: Actual o-ring color may differ from image.
Notes: Dimensions and material descriptions provided for reference only.