Control Valve (Actuates at 80 psi) Supply Port (1)3/8-18 NPT Control Port (1)3/8-18 NPT Reservoir Port (1)1/2-14 NPT Delivery Port (4)3/8-18 NPT Part number: LSC-5247 OE MFG: SEALCO AIR CONTROLS, INC. OEM Reference: 110500 Cross Reference: MACK : 7546-110500; OTHER : 110500, S-20219 | PAI : EM52470 Product Class: Air Valves & Kits The PAI LSC-5247 Sealco control valve uses OEM reference 110500 and is specified to actuate at 80 psi. As heavy duty diesel truck parts, control valves regulate compressed-air flow between supply, control, reservoir, and delivery circuits, so port configuration matters when matching an air-system component. This valve has one 3/8-18 NPT supply port, one 3/8-18 NPT control port, one 1/2-14 NPT reservoir port, and four 3/8-18 NPT delivery ports; Mack cross-reference 7546-110500 is also supplied.