Lincoln K and KP Numbers › Lincoln Electric KP3161-1-62R NOZZLE, 550, THREAD-ON, 1/8 R, 5/8 Lincoln Electric KP3161-1-62R NOZZLE, 550, THREAD-ON, 1/8 R, 5/8 Sale Price: $32.17 Original Price: $36.03 NOZZLE, 550, THREAD-ON, 1/8 R, 5/8 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! NOZZLE, 550, THREAD-ON, 1/8 R, 5/8 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000