Standard ISO 3601-3, Publication date: 2005-11 Fluid power systems - O-rings - Part 3: Quality acceptance criteria

Standard ISO 48, Publication date: 2007-06 Rubber, vulcanized or thermoplastic - Determination of hardness (hardness between 10 IRHD and 100 IRHD)

Standard ISO 5598, Publication date: 2008-09 Fluid power systems and components - Vocabulary

Standard ISO 16031-1, Publication date: 2002-06 Aerospace fluid systems - O-rings, inch series: Inside diameters and cross sections, tolerances and size-identification codes - Part 1: Close tolerances for hydraulic systems

Standard ISO 16031-2, Publication date: 2003-09 Aerospace fluid systems - O-rings, inch series: Inside diameters and cross-sections, tolerances and size-identification codes - Part 2: Standard tolerances for non-hydraulic systems

Standard ISO 1629, Publication date: 1995-11 Rubbers and latices - Nomenclature

Standard SAE AS 568B, Publication date: 2001-03-01 Aerospace Size Standard for O-Rings