full list:

ISO 14:1982 Straight-sided splines for cylindrical shafts with internal centering -- Dimensions, tolerances and verification
ISO 496:1973 Driving and driven machines -- Shaft heights
ISO 3177:1977 Tangential keys and keyways
ISO 3912:1977 Woodruff keys and keyways
ISO 4156-1:2005 Straight cylindrical involute splines -- Metric module, side fit -- Part 1: Generalities
ISO 4156-2:2005 Straight cylindrical involute splines -- Metric module, side fit -- Part 2: Dimensions
ISO 4156-2:2005/COR 1:2011 Straight cylindrical involute splines -- Metric module, side fit -- Part 2: Dimensions
ISO 4156-3:2005 Straight cylindrical involute splines -- Metric module, side fit -- Part 3: Inspection


the missing 2:

ISO 3177:1977 Tangential keys and keyways
ISO 4156-2:2005/COR 1:2011 Straight cylindrical involute splines -- Metric module, side fit -- Part 2: Dimensions


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