Do they look like this?

Weatherhead fitting numbers;

6100x2 = 1/8" nut
6100x3 = 3/16" nut
6100x4 = 1/4" nut

And so on the sizes go.

Napa or any of the other parts houses carry them.

Jeff


My 1953 Chevrolet
1947.1 Gallery
1972 C-10 1/2 Ton & 1972 C-30 1 Ton