Metric O-Rings - ISO3601 Global O-Rings
Metric O-Rings in Millimeters (mm) - CS X ID Standard, European, and Japanese Sizes
- ISO3601 International Organization for Standardization (Metric O-Rings)
- British Standard BS1806 O-Ring sizes (imperial) -replaced by ISO3601 standard
- British Standard BS4518 Metric O-Ring Sizes
- Japanese Standard JIS B 2401 (P, G and V) O-Ring sizes
Metric O-Ring Dimensions are defined by CS Cross Section and ID Inside Diameter. N2.00X012 = 2mm CS X 12mm ID