The 350428-1 is a 2-position 1-row Wire-to-board Pin Header with pre-tin-plated phosphor bronze contacts and natural glass-filled nylon housing. The Universal MATE-N-LOK series connector has standard tail, polarization mating alignment and positive lock mating retention. Mates with the plug housing (using socket contacts). 600VAC Operating voltage UL94V-2 Flammability rating Number of Positions 2 Number of Rows 1 Number of Positions Loaded All Style Board to Cable/Wire Shrouding Shrouded - 4 Wall Mounting Type Through Hole Termination Solder Fastening Type Locking Ramp Contact Length - Post 0.155" (3.94mm) Insulation Height 0.550" (13.97mm) Contact Shape Circular Applications Industrial