Lincoln Service Parts 1 › Lincoln Electric 9SG6204-47 PLUG, HEX HEAD, 1/4 NPT, BRASS G6204-47 Lincoln Electric 9SG6204-47 PLUG, HEX HEAD, 1/4 NPT, BRASS G6204-47 Sale Price: $32.37 Original Price: $37.23 PLUG, HEX HEAD, 1/4 NPT, BRASS PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PLUG, HEX HEAD, 1/4 NPT, BRASS PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1