b'4.3 Air Line Couplings Service Line - BSAU138aSelf Sealing Valve Male C Coupling Operating Sleeve Female C CouplingThread Part No. Thread Part No. Thread Part No. Thread Part No.1/2" BSP 1384160 1/2" BSP 1384156 1/2" BSP 1387702 1/2" BSP 1384158M22 x 1.5mm 1384161 M22 x 1.5mm 1384157 M22 x 1.5mm 1387723 M22 x 1.5mm 1384159 Emergency Line - BSAU138aSelf Sealing Valve Female C Coupling Male C CouplingThread Part No. Thread Part No. Thread Part No.1/2" BSP 1384162 1/2" BSP 1384158 1/2" BSP 1384156M22 x 1.5mm 1384163 M22 x 1.5mm 1384159 M22 x 1.5mm 1384157 Auxiliary Line - BSAU138aSelf Sealing Valve Female CA Coupling Male CA CouplingAir BrakeThread Part No. Thread Part No. Thread Part No.1/2" BSP 1384162 1/2" BSP 1384171 1/2" BSP 1384169M22 x 1.5mm 1384163 M22 x 1.5mm 1384172 M22 x 1.5mm 1384170 Service Line - BSAU138bEmergency Line - BSAU138bFemale Trailer Coupling Male Tractor Coupling Male Trailer Coupling Female Tractor CouplingThread Part No. Thread Part No. Thread Part No. Thread Part No.M16 x 1.5mm 1964495 M16 x 1.5mm 0871409 M16 x 1.5mm 1964496 M16 x 1.5mm 0871408M22 x 1.5mm 0867846 M22 x 1.5mm 0867845 M22 x 1.5mm 0867844 M22 x 1.5mm 08678431/2 BSP 1964494 1/2 BSP 9501119 1/2 BSP 9501116 1/2 BSP 9501118www.trpparts.com'