As modified by frequency rating
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).
Classification: Parts of electric sound or visual signaling apparatus other than printed circuit assemblies, nesoi
NSN 6135-01-354-5535
NSN 6610-01-352-6133
NSN 6685-01-259-4425
NSN 6685-01-654-3518
NSN 4140-00-849-2930
NSN 6145-01-220-2309
NSN 6645-01-315-2010
NSN 6150-00-908-5305
NSN 5950-00-871-0377
NSN 5915-00-432-6333
NSN 6610-01-053-5390
NSN 5998-00-899-0995