Amazon.com: Small Parts - Size Chart O-Ring Sizing Chart, Laminated, 3 Sheets, Paper and Plastic : Office Products
O-Ring Size Chart : The O-Ring Store LLC, We make getting O-Rings easy!
O-Ring Size Charts - GlobalORing.com - YouTube
Cartridge O-ring - Available from Bowen Products
Vintage Air » Blog Archive Tech Topic: What are the Dimensions and Characteristics of the #6, #8 and #10 O-Rings Supplied with My System? - Vintage Air