Model: 21057-1
Disk InsulatorProperties:
An insulator that is essentially thin, flat, and round in shape, with or without holes. The general shape may vary by the addition of such features as beveled edges, indented surfaces, through-hole key and/or peripheral flats. It may have one or more holes off center; if there are two or more holes, one may be centrally located. Excludes mounting pad, electrical-electronic component.
Part 21057-1 NSN 5970-01-390-1596
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPricing & Availability Check
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Schedule B and Export
- Schedule B: 8546900000
- SITC: 77324
- End Use: Electric apparatus
- NAICS: 326199
- USDA: 1
Freight Class: Electrical insulators, nesoi
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