National Item Identification Number
National Stock Number
Federal Supply Class
An item specifically designed to protect the phone circuits against high potentials, such as lightning and/or abnormal electrical currents. It may include an inclosure, but does not always include the protective components such as protector blocks, heat coils, and/or fuses. Excludes items which may be used in other than telephone circuits. See also ARRESTER, LIGHTNING and FUSEHOLDER.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
7.000 INCHES NOMINAL
3.000 INCHES NOMINAL