Model: 424221
Lock WasherProperties:
A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
Part 424221 NSN 5310-00-042-4221
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsFreight Classification
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Schedule B and Export
- Schedule B: 7415210000
- SITC: 69432
- End Use: Finished metal shapes
- NAICS: 332722
- USDA: 1
Freight Class: Copper washers including spring washers not threaded
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