Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by general context]
6. hardware (components)
7. [keys and key components]

Narrower term/s

• detachable keys
• drop keys
• master keys
• night keys
• push keys
• round keys[+]
  • pipe keys
• sliding-door keys
• stop keys
• submaster keys
• warded keys
• wing keys
• key cards
• skeleton keys
• bolt keys
• bitted keys[+]
  • double-bitted keys
• folding keys

Anotations

Scope note:

The removable actuating devices of locks. For hand tools used for opening and closing devices other than locks and that do not have a jaw and do not fit into screws, use "keys (adjusting equipment)."