HENAN.HNDTBD234V12.DRAWING NO – 6.234.0.160.302.4 PISTON HENAN.HNDTBD234V12.DRAWING NO – 6.234.0.132.002.4 LINER HENAN.HNDTBD234V12.DRAWING NO – 6.0493.13.1.4202 ROUND PACKING RING – SPECIFICATION – 142X4.5 DIN3770