radial_size_dimension
radiused_bead_end_type
radiused_slot_end_type
rectangular_boss
rectangular_closed_pocket
rectangular_closed_profile
rectangular_offset_pattern
rectangular_omit_pattern
rectangular_open_pocket
rectangular_pattern
rectangular_size
recyclability_property
reference_plane
replaced_definition_relationship
replaced_usage_relationship
replicate_base_assignment
replicate_feature
retention_period
rib_feature
right_angular_wedge
right_circular_cone
right_circular_cylinder
round_hole
rounded_u_profile
roundness_tolerance