When Tight, The Wedging Action Of Sleeve Between Body And Nut Create A Leak Free Connection.
Brass Compression Sleeve, 3/16 Tube, 1/card To Make Connection, Place The Nut And Then The Sleeve Over The Tubing And Then Insert Tube Into The Fitting Body. AGS Brass And Steel Fittings Are Comprised Of Tube Nuts, Unions (Couplers), Adapters, Elbows, Tees, Bushings, Connectors, Grease, Etc.AGS Fittings Are Held To The Strictest Standards To Perform Flawlessly In Their Intended Applications.