NYC4’s:
- 20mm spacing standard, 19mm optional
- 12” radius standard, 9” optional
- 1.45”, 1.5” or 1.75” nut width
NYC5’s:
- 19mm spacing standard, 18mm optiona
- 12” radius
- 1.75” or 1.875” nut width
IIRC ML is the same, except for MM or J/MM 5’s, as they have 18mm string spacing.
I’m...