I am currently prototyping a part for a personal project. My CAD design was contracted out and there are some off the shelf parts that I need to order per the design (springs, screws, etc.).
My designer included two types of springs in the BOM:
- 3ID x 15mm (possibly 3LD??)
- 5ID x 5mm
I am not sure what the ID (or LD) naming convention means. Could use some help.