0857537 CATERPILLAR 085-7537: O-Ring

Coating: None
Seal/O-Ring Type: Standard
Dash Size (in): 004
Temperature (°F): -40 - 212
Applications: Ambient temperature fuel handling; High and low pressure LPG service; Hydraulic fluids (to 10,335 kPa/1,500 psi); Power steering seals; Radiator thermostat seals
Not Compatible With: Automotive and aircraft brake fluids; High levels of ozone; Ketones; Phosphate ester fluids; Strong acids; UV light
Compatible With: Abrasion resistant; Alpha-Olefin base synthetic lubricants; Ethylene Glycol; Hydrocarbon fuels; Petroleum base lubricants; Silicone oils and greases; Water, water base engine coolants; ORFS, STORS seals
Primary Sealing Material: Rubber
Cross Section Diameter (in): 0.07
Inside Diameter (in): 0.07
Outside Diameter (in): 0.21
Hardness (Shore A): 90
SAE AS568 Dash Size: -4
Material: NBR (Nitrile butadiene)
Material Description: Nitrile (NBR) rubber is capable of service temperatures of -40 to 100C and is resistant to fuel oils, gasoline, ultra low sulfur diesel fuel and lubricants. Nitrile rubber is not recommended for applications that require resistance to bio-diesel or coolant.
Color Notes: Actual o-ring color may differ from image.
Notes: Dimensions and material descriptions provided for reference only.