SPECIFICATIONS Caterpillar NBR (75) O-Ring (5B4399) 5B-4399 Main Seal Material: Rubber Seal/O-Ring Type: Standard Colour: Black Material: NBR - nitrile Cross section diameter (in): 0.14 Inner diameter (in): 2.56 Outside diameter (in): 2.84 Hardness (Shore A): 75 SAE AS568 Dash Size: Not available Coating: No Fit equipment: CATERPILLAR ENGINE - MACHINE, CATERPILLAR ENGINE - GENERATOR SET Fit equipment models: CATERPILLAR 3013, CATERPILLAR 3054C, CATERPILLAR 3054E, CATERPILLAR 3508B, CATERPILLAR 3516, CATERPILLAR 3516B, CATERPILLAR 3508B, CATERPILLAR 3512B, CATERPILLAR 3516, CATERPILLAR 3516B Weight(lbs): 0.1 Length(cm): 15.24 Width(cm): 12.7 Depth(cm): 2.54 5B4399