Most recent
SAE AS 708B-2014 (SAE AS708B-2014)
Top Visual Quality (TVQ) O-ring Packings and Gaskets - Surface Inspection Guide and Acceptance Standard (Stabilized: Mar 2014)
This standard establishes the inspection requirements and acceptance standards for optimum surface finish O-ring packings and gaskets. (This is not an O-ring specification per se). This standard must be used in conjunction with an O-ring drawing and/or material specification. This standard is to be specified only where stringent performance requirements are necessary.
Society of Automotive Engineers [sae]