Lincoln K and KP Numbers › Lincoln Electric KP2742-2-50F NOZZLE, 350, SLIP-ON, FLUSH 1/2 ID Lincoln Electric KP2742-2-50F NOZZLE, 350, SLIP-ON, FLUSH 1/2 ID Sale Price: $21.06 Original Price: $23.59 NOZZLE, 350, SLIP-ON, FLUSH 1/2 ID PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! NOZZLE, 350, SLIP-ON, FLUSH 1/2 ID PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000