Our extensive inventory approach enables us to respond to customer needs thoroughly and without delay. Additionally, Phelps offers a wide range of related industrial items such as molded and vulcanized 'O' rings, hydraulic seals and other molded parts.

Molded 'O' rings are available in both American and metric standard sizes, supplemented by our capacity to Cold Splice and Hot Splice precision 'O' ring cord. Hydraulic cups are offered in a comprehensive variety of standard sizes and materials.

Please refer to the Phelps O'Rings material selection guide or your application

O'Ring dimensions follow the Standard ISO 3601 Uniform Numbering System. Materials are available in  commercial and military specification