Lincoln Electric 9ST14557-55 T14557-55 3/8 X 3/8 NPT NIPPLE Sale Price: $11.10 Original Price: $12.77 3/8 X 3/8 NPT NIPPLE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Quantity: Add To Cart Added! 3/8 X 3/8 NPT NIPPLE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1