Features and Benefits:•Features dirt excluding plunger check valve•Similar to standard button head fittings except larger (7/8" diameter)•to withstand the roughest usage1820-1 Model Code: AB - Price is for 1 Each (part# 1820-1) This item features: -Similar to standard button head fittings except larger (7/8'' diameter) to withstand the roughest usage. -Features dirt excluding plunger check valve. -For rugged applications such as heavy machinery or contractor s equipment. Features dirt excluding plunger check valve. -Body Material: Metal. -Shape: Straight. Model Code  Model Description AAApplications:Heavy Machinery, Contractor's Equipment, Connection Type:Male/Female, Female Thread:1/8 in (NPTF), Length:31/32 in [Max], Male Thread:1/8 in (NPTF), Operating Pressure:6000.0 psi [Max], Type:Standard Fitting, Wrench Size:5/8 in ABApplications:Heavy Machinery, Contractor's Equipment, Connection Type:Male/Male, Length:1 1/16 in [Max], Male Thread:1/2 in (NPTF), Operating Pressure:15000.0 psi [Max], Type:Giant Fitting, Wrench Size:7/8 in ACApplications:Heavy Machinery, Contractor's Equipment, Connection Type:Male/Male, Length:1 1/16 in [Max], Male Thread:1/2 in (NPTF), Operating Pressure:6000.0 psi [Max], Type:Standard Fitting, Wrench Size:7/8 in ADApplications:Heavy Machinery, Contractor's Equipment, Connection Type:Male/Male, Length:1 1/4 in [Max], Male Thread:1/4 in (NPTF), Operating Pressure:15000.0 psi [Max], Type:Giant Fitting, Wrench Size:7/8 in AEApplications:Heavy Machinery, Contractor's Equipment, Connection Type:Male/Male, Length:1 15/16 in [Max], Male Thread:3/8 in (NPTF), Operating Pressure:15000.0 psi [Max], Type:Giant Fitting, Wrench Size:7/8 in AFApplications:Heavy Machinery, Contractor's Equipment, Connection Type:Male/Male, Length:3/4 in [Max], Male Thread:1/8 in (PTF), Operating Pressure:6000.0 psi [Max], Type:Standard Fitting, Wrench Size:5/8 in AGApplications:Heavy Machinery, Contractor's Equipment, Connection Type:Male/Male, Length:53/64 in [Max], Male Thread:1/4 in (NPTF), Operating Pressure:6000.0 psi [Max], Type:Standard Fitting, Wrench Size:5/8 in AHApplications:Heavy Machinery, Contractor's Equipment,