Aerospace O-Ring Reference AS568 Sizes

The Freudenberg-NOK Sealing Technologies O-ring Design Quick Reference Guide assists in specifying O-ring and groove dimensions for static applications under 1500 psi. It covers nominal, minimum, and maximum conditions, focusing on compression (or deformation) for sealing. The guide details piston, rod, and face-type seals, emphasizing ID stretch and OD interference, and provides calculations for gland dimensions and compression squeeze.

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