Lincoln K and KP Numbers › Lincoln Electric KP5130-2-50F-B25 NOZZLE 550A, SLIP-ON FLUSH 1/2 ID Lincoln Electric KP5130-2-50F-B25 NOZZLE 550A, SLIP-ON FLUSH 1/2 ID Sale Price: $681.25 Original Price: $763.00 NOZZLE 550A, SLIP-ON FLUSH 1/2 ID PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000 Add To Cart Added! NOZZLE 550A, SLIP-ON FLUSH 1/2 ID PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000