Lincoln K and KP Numbers › Lincoln Electric KP5146-1 GUN TUBE ADAPTER AND NUT ASSBLY Lincoln Electric KP5146-1 GUN TUBE ADAPTER AND NUT ASSBLY Sale Price: $61.38 Original Price: $68.74 GUN TUBE ADAPTER AND NUT ASSBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! GUN TUBE ADAPTER AND NUT ASSBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000