Lincoln Service Parts 2 › Lincoln Electric 9SS30683 ADAPTER M12 TO 1/4 NPT S30683 Lincoln Electric 9SS30683 ADAPTER M12 TO 1/4 NPT S30683 Sale Price: $24.36 Original Price: $28.01 ADAPTER M12 TO 1/4 NPT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! ADAPTER M12 TO 1/4 NPT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1