1" M-NPT x 3/4" F-NPT 150 lb Black Malleable Iron Hex Bushing / END ITEM IDENTIFICATION: ENGINE MAINTENANCE STAND EMP-T22 EXTERNAL THREAD SIZE: J1.0 EXTERNAL SCREW THREAD SERIES DESIGNATOR: NPT INTERNAL SCREW THREAD SERIES DESIGNATOR: NPT PART NAME ASSIGNED BY CONTROLLING AGENCY: REDUCING BUSHING MATERIAL: IRON CAST STYLE DESIGNATOR: N1 OUTSIDE HEXAGON OR OCTAGON