Rotary Union Fitting Material Brass Internal Fitting Material Stainless Steel Fitting Material Finish Nickel-Plated Internal Fitting Material Grade 304 Fitting Type Straight Flow Direction Single-Flow Maximum Operating Temperature 250 Degrees F Maximum Speed 30 RPM Minimum Operating Temperature Not Applicable Number of Passages 1 Overall Length 3.58 in Pipe Size Not Applicable Rotating Shaft Connection Type NPTF Rotating Shaft Thread Size 1/2 in Seal Material Nitrile Rubber