National Stock Number:
6340-00-053-9504
Federal Supply Class:
6340
National Item Identification Number:
000539504
Description:
ANNUNCIATOR
Detail:
A signaling apparatus which operates electromagnetically and serves to indicate visually, or visually and audibly, whether a current is flowing, has flowed, or has changed direction of flow in one or more circuits. It is usually employed in connection with alarms, electric bells, or buzzers. See also ALARM (as modified).
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