Model: M421740-1
Audio Level MeterProperties:
An instrument which measures the ratio of electrical power with reference to a predetermined value and is calibrated in units of sound intensity, usually decibels. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. if other than audio frequency ranges, see meter, noise level.
Part M421740-1 NSN 6625-00-253-9200
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Freight Classification
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Schedule B and Export
- Schedule B: 9030908030
- SITC: 87479
- End Use: Measuring, testing, control instruments
- NAICS: 334515
- USDA: 1
Freight Class: Parts and accessories of articles of schedule b subheading 9030.39
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