Lincoln K and KP Numbers › Lincoln Electric KP3583-1-75F-B25 NOZZLE 550A, THREAD-ON, FLUSH 3/4 ID Lincoln Electric KP3583-1-75F-B25 NOZZLE 550A, THREAD-ON, FLUSH 3/4 ID Sale Price: $456.70 Original Price: $511.50 NOZZLE 550A, THREAD-ON, FLUSH 3/4 ID PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000 Add To Cart Added! NOZZLE 550A, THREAD-ON, FLUSH 3/4 ID PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000