Quotes (0) FMSI > Air Conditioning System > A/C Tube Repair > Hose Ferrules, Fittings & Spring Locks > Item # 5451 FMSIFMSI Air Conditioning SystemAir Conditioning System A/C Tube RepairA/C Tube Repair Hose Ferrules, Fittings & Spring LocksHose Ferrules, Fittings & Spring Locks Item # 5451 Item # 5451, Male Spring Lok 5451Male Spring Lok Request Information Email This Page Download PDF Download PDF Printable Page Close Window Unit of Measure Imperial Metric Both Specifications Tube Size N/A 3/8 in