Lincoln Service Parts 2 › Lincoln Electric 9SS31990-1 POWER OUTPUT SOCKET S31990-1 Lincoln Electric 9SS31990-1 POWER OUTPUT SOCKET S31990-1 Sale Price: $5.63 Original Price: $6.48 POWER OUTPUT SOCKET PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! POWER OUTPUT SOCKET PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1