FMSI > Brake System > Hardware > Brass Unions > Hi-Flow/Heavy Wall Brake Line Union > Item # 3020 FMSIFMSI Brake SystemBrake System HardwareHardware Brass Unions Brass Unions Hi-Flow/Heavy Wall Brake Line UnionHi-Flow/Heavy Wall Brake Line Union Item # 3020 Item # 3020, 1/4" to 3/16" Invert Flare Brass REDUCER Union 30201/4" to 3/16" Invert Flare Brass REDUCER Union Request Information Email This Page Download PDF Download PDF Printable Page /Asset/3706.png /Asset/3706.png Close Window - Reduces 1/4" tube to 3/16" tube- 1/4" x 7/16" - 24 at one end and 3/16" x 3/8" - 24 at the other- For invert flare tube nuts Unit of Measure Imperial Metric Both Specifications Tube Size N/A 1/4 in - 3/16 in Thread Diameter N/A 7/16 in - 3/8 in Threads per Inch N/A 24 T.P.I Packaging N/A SP(10) HP(2) Package Type N/A Barrel Units Per Package N/A 1