1/4" NPTF Stainless Steel Dynaflo® Socket Head Pipe Plug 3/4" Taper Dryseal / END ITEM IDENTIFICATION: 4320016177587 CONNECTION STYLE: M3 PLAIN DRIVE END STYLE: 9 RECESSED HEXAGON THREAD QUANTITY PER INCH: 18 EXTERNAL PART NAME ASSIGNED BY CONTROLLING AGENCY: PLUG PIPE 0.250 INCH SOCKET HEAD MATERIAL: STEEL CORROSION RESISTING OVERALL SURFACE TREATMENT: PASSIVATE OVERALL SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL THREAD SERIES DESIGNATOR: NPTF EXTERNAL