McMaster 98381A105 Dowel Pin, Pack of 5, 4140 Alloy Steel, 3 4" Diameter, 1 1 2" Long R8HT61900 PP Designed for high pressure pipe flange Designed for high pressure pipe flange sealing applications NEMA Plug Configuration 6 20P Current Rating 20 A Voltage Rating 250V AC Phase Single Number of Poles 2 Number of Blades 3 Wire Connection Type Screw Terminals Wiring Style Hinged Connection Orientation Straight Grounding Grounded Housing Color Yellow IP Rating IP20 Standards CSA C22 These dowel pins are inserted into pre drilled holes to hold mating components in position Material 4140 Alloy Steel Diameter 3 4" Length 1 1 2" Pack Size 5 Country of Origin United States Schedule B Number 731829