Lincoln K and KP Numbers › Lincoln Electric KP3583-1-75F NOZZLE 550A, THREAD-ON, FLUSH 3/4 ID Lincoln Electric KP3583-1-75F NOZZLE 550A, THREAD-ON, FLUSH 3/4 ID Sale Price: $21.06 Original Price: $23.59 NOZZLE 550A, THREAD-ON, FLUSH 3/4 ID PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! NOZZLE 550A, THREAD-ON, FLUSH 3/4 ID PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000