Lincoln Service Parts 2 › Lincoln Electric 9SS18749-2 CONNECTOR NUT (400 AMP) S18749-2 Lincoln Electric 9SS18749-2 CONNECTOR NUT (400 AMP) S18749-2 Sale Price: $20.46 Original Price: $23.53 CONNECTOR NUT (400 AMP) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CONNECTOR NUT (400 AMP) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1