Joined: Nov 2010
Posts: 6,035
Likes: 118
From: The Garden State
Bikes: 1917 Loomis, 1923 Rudge, 1930 Hercules Renown, 1947 Mclean, 1948 JA Holland, 1955 Hetchins, 1957 Carlton Flyer, 1962 Raleigh Sport, 1978&81 Raleigh Gomp GS', 2010 Raliegh Clubman
Finding a nut the same pitch and dimension is going to be tough going. Easier to buy a set of "parts pedals" as mentioned is your best course. If the treads are still good, I'd just file new flats on the existing nut and reuse it.