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fastener_simple_washer

EXPRESS specification:

ENTITY fastener_simple_washer
SUPERTYPE OF (ONEOF(fastener_simple_washer_tapered, fastener_simple_washer_load_indicating))
SUBTYPE OF ( fastener_simple);
washer_shape  :  OPTIONAL text;
inside_diameter  :  OPTIONAL positive_length_measure_with_unit;
external_dimension  :  OPTIONAL positive_length_measure_with_unit;
DERIVE
washer_ref  :  BAG OF identifier :=  SELF\structural_frame_item.item_ref;
WHERE
WRF10  :  NOT( (EXISTS (inside_diameter) AND EXISTS (external_dimension)) AND (inside_diameter.value_component > external_dimension.value_component) );
WRF11  :  NOT( (EXISTS (inside_diameter)) AND (inside_diameter.value_component < (SELF\fastener_simple.nominal_diameter.value_component)) );
END_ENTITY;

References (3):

Name Type Referred through Express-G
fastener_simple Entity
Subtype
No Diagram
fastener_simple_washer_load_indicating Entity
Supertype
No Diagram
fastener_simple_washer_tapered Entity
Supertype
No Diagram

Inheritance graph

ENTITY fastener_simple_washer;
ENTITY structural_frame_item;
item_number  :  INTEGER;
item_name  :  label;
item_description  :  OPTIONAL text;
DERIVE
item_ref  :  BAG OF identifier :=  get_item_ref(SELF);
cost_code  :  BAG OF label :=  get_item_cost_code(SELF);
object_id  :  globally_unique_id :=  get_instance_id(SELF);
ENTITY structural_frame_product;
life_cycle_stage  :  OPTIONAL label;
ENTITY fastener;
fastener_grade  :  OPTIONAL label;
ENTITY fastener_simple;
nominal_diameter  :  positive_length_measure_with_unit;
nominal_length  :  OPTIONAL positive_length_measure_with_unit;
ENTITY fastener_simple_washer;
washer_shape  :  OPTIONAL text;
inside_diameter  :  OPTIONAL positive_length_measure_with_unit;
external_dimension  :  OPTIONAL positive_length_measure_with_unit;
DERIVE
washer_ref  :  BAG OF identifier :=  SELF\structural_frame_item.item_ref;
END_ENTITY;