Caterpillar Seal O-ring | 4F7391

Description

The 4F7391 ring features a SAE AS568 Dash Size of -219, specifying its size and compatibility. Constructed from Nitrile (NBR) rubber, it showcases a cross-sectional diameter of 0.139 inches, an inside diameter of 1.296 inches and an outside diameter of 1.574 inches. This NBR material can endure temperatures ranging from -40 to 100° C, offering resistance to fuel, oils, gasoline, ultra-low sulfur diesel fuel and lubricants. However, it is not recommended for applications demanding resistance to bio-diesel or coolant. With a hardness of 75 Shore A, the ring is uncoated and presented in a black color.

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Features

• Dash Size (in): 219
• Seal/O-ring Type: Standard
• Primary Sealing Material: Rubber
• Cross-Section Diameter (in): 0.139
• Inside Diameter (in): 1.296
• Outside Diameter (in): 1.574
• Material: NBR - Nitrile
• Material Description: Nitrile (NBR) rubber is capable of service temperatures of -40 to 100° C 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.
• Hardness (Shore A): 75
• SAE AS568 Dash Size: -219
• Coating: None
• Color: Black