Wave Spring Washer
A flat steel spring washer with undulating waves providing axial load in tight spaces, used in bearings and valves. HTS 7320.90.50 covers such other spring forms of steel wire or strip.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If functioning primarily as non-spring washer
Washers without significant spring properties are in screw/threaded articles.
If parts of transmission shafts/bearings
Spring washers for bearings classified with machinery parts.
If large diameter pipe fittings
Wave forms in pipe connections go to tube/pipe fittings.
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Import Tips & Compliance
• Distinguish from plain washers (7318.22); emphasize spring action in descriptions
• Provide thickness and wave count specs to confirm ≤16 mm dimension
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