FMSI > Transmission & Oil System > Fittings > Power Steering & Transmission Line Steel Tube Nuts > Item # 3443 FMSIFMSI Transmission & Oil SystemTransmission & Oil System FittingsFittings Power Steering & Transmission Line Steel Tube NutsPower Steering & Transmission Line Steel Tube Nuts Item # 3443 Item # 3443, 5/16" x 5/8"-18 Power Steering & Transmission Line Steel Tube Nut 34435/16" x 5/8"-18 Power Steering & Transmission Line Steel Tube Nut Request Information Email This Page Download PDF Download PDF Printable Page /Asset/a1404.jpg /Asset/a1404.jpg Close Window - 16.88mm long- 16mm hex Unit of Measure Imperial Metric Both Specifications Tube Size N/A 5/16 in Thread Diameter N/A 5/8 in Thread Pitch N/A 18 T.P.I (Red) Packaging N/A SP(10) HP(2)