Push Pull Valve w/Knob | 7/8-20 Thread | Supply Port (1)1/8-27 NPT | Delivery Ports (2)1/8-27 NPT | Pilot Air Inlet (1)1/8-27 NPT Part number: LPP-5682 OE MFG: MACK OEM Reference: 745-284744 Cross Reference: MACK : 745-284744; OTHER : 284744 Product Class: Air Valves & Kits The PAI LPP-5682 is a push-pull valve with knob, identified by the MACK OEM reference 745-284744. As heavy duty diesel truck parts, push-pull valves ordinarily control pneumatic circuit flow through a manually operated valve, directing supplied air toward connected delivery circuits while using a pilot air connection where the system requires it. This valve is specified with a 7/8-20 thread, one 1/8-27 NPT supply port, two 1/8-27 NPT delivery ports, and one 1/8-27 NPT pilot air inlet, providing key connection details for matching the component. Cross-reference 284744 is also supplied.