Fitting O-Ring Finder

"What O-Ring do I use on this fitting?" This app answers that quickly. Select the type of fitting and read the list of sizes of O-Ring for each fitting size.

Use this app to find the correct O-ring for one of the many listed Hydraulic Fitting types. Select the fitting style, and the app will give you details on that style along with a list of the various common sizes and the standard O-ring that fits that size. Select a size from that list for more information about that O-Ring to help you locate it.

Fittings covered are: • Flange, both Code 61 & 62 • O-Ring Face fitting • O-Ring Boss Port • BSPP, British Standard Parallel Port • ISO 6149 Metric Port • ISO 9974 Metric Port • DIN 2353 tube fittings • JIS, Japanese Industrial Standard Port (BSPP)

Sizes use either the US industry standard Dash size or metric. US dash is based on 1/16" and parts are called out as: -2, -4, -6. Where -2 is 2/16" or 1/8" and -8 is 8/16" or 1/2" and so forth.

Whenever possible the SAE AS568 standard O-Ring size is used. If not available then the conventional metric ID x Cross based on the fitting size is used. For the JIS Port JIS B2401 sizes are specified.