Lincoln K and KP Numbers › Lincoln Electric KP2743-2-62S NOZZLE 550, SLIP-ON, 1/8SO 5/8 ID Lincoln Electric KP2743-2-62S NOZZLE 550, SLIP-ON, 1/8SO 5/8 ID Sale Price: $27.85 Original Price: $31.19 NOZZLE 550, SLIP-ON, 1/8SO 5/8 ID PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! NOZZLE 550, SLIP-ON, 1/8SO 5/8 ID PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000