Lincoln Service Parts 2 › Lincoln Electric 9SS31227-298 PLUG, 3/8 IN BSPP, WITH SEAL RING S31227-298 Lincoln Electric 9SS31227-298 PLUG, 3/8 IN BSPP, WITH SEAL RING S31227-298 Sale Price: $38.43 Original Price: $44.19 PLUG, 3/8 IN BSPP, WITH SEAL RING PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PLUG, 3/8 IN BSPP, WITH SEAL RING PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1