Model: 522-7558-013
Telegraph-telephone Si ConverterProperties:
An electronic device which receives, converts and transmits ringing and/or supervisory or other messages over a communication circuit in the form of audio frequency tones. May include integral interrupters, oscillators and hybrid and filter networks. Excludes generator, ringing, static and generator, ringing, machine.
Part 522-7558-013 NSN 5805-00-997-2451
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsFreight Classification
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Schedule B and Export
- Schedule B: 8543706000
- SITC: 77878
- End Use: Telecommunications equipment
- NAICS: 334210
- USDA: 1
Freight Class: Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks
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