Answer
Apr 11, 2025 - 08:16 AM
A #4 hydraulic fitting typically refers to a fitting with a nominal size of 1/4 inch. The "#4" designation is part of the Dash Number system commonly used in the industry, where the number represents the fitting's size in sixteenths of an inch. Therefore, a #4 fitting corresponds to 4/16 or 1/4 inch.
