b'Air Brake Fittings - Plastic PIF Fittings4.60Straight Connector Equal Tee Connector Elbow ConnectorTube OD Part No Tube OD Part No Tube OD Part No4mm 0865219 4mm 0865266 4mm 08652696mm 0871453 6mm 0865268 6mm 08652718mm 0865541 8mm 0865230 8mm 086527210mm 0871455 10mm 0865229 10mm 086527312mm 0871456 12mm 0865228 12mm 086527416mm 0883851Straight Stud Stem Stud PlugTube OD Thread Part No Tube OD Thread Part No Tube OD Part NoBSPT BSPT 4mm 08655114mm 1/8 0883853 6mm 1/4 0865519 5mm 08655125mm 1/8 0871524 8mm 1/4 0883861 6mm 08655136mm 1/8 0883854 10mm 1/4 0865520 8mm 0865514Air Brake8mm 1/8 0883855 10mm 08655156mm 1/4 0883856 12mm 08655168mm 1/4 088385710mm 1/4 0883858 Reducer Straight Connector10mm 3/8 0883859 Stem Reducer12mm 3/8 0883860Tube OD Tube OD Part No6mm 4mm 08714418mm 6mm 0871442 Tube OD Stem Part No10mm 6mm 0871443 4mm 6mm 086550710mm 8mm 0883865 5mm 6mm 086550810mm 12mm 0871444 6mm 8mm 08655098mm 10mm 0865510www.trpparts.com'