Metric
BS 4518 O-Ring Size Chart
BS 4518 British metric O-Ring size chart with ID, CS, and OD in millimeters and inches, plus background on the BS 4518 standard.
DIN 3771 O-Ring Size Chart
DIN 3771 German / EU metric O-Ring size chart with ID, CS, and OD in millimeters and inches, plus the history of DIN 3771.
Generic Metric O-Ring Size Chart
Generic metric O-Ring size chart of common tooling ID × CS sizes in millimeters, with OD and inch equivalents.
JIS B 2401 O-Ring Size Chart (S / P / G / V)
JIS B 2401 Japanese O-Ring size chart: S, P, G, and V series with ID, CS, and OD in millimeters and inches, plus the history of the JIS B 2401 standard.
Metric O-Ring Size Chart (ISO 3601)
Metric O-Ring size chart for ISO 3601: ID × CS in millimeters, store CS×ID codes, and OD, plus the history of the ISO 3601 standard.
NF T 47-501 O-Ring Size Chart
NF T 47-501 French metric O-Ring size chart with ID, CS, and OD in millimeters and inches.
SMS 1586 O-Ring Size Chart
SMS 1586 Swedish / Nordic metric O-Ring size chart with ID, CS, and OD in millimeters and inches.