Model: 3021721
Retaining RingProperties:
A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.
Part 3021721 NSN 5325-00-357-1640
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: 9606100000
- SITC: 89983
- End Use: Finished textile supplies
- NAICS: 339993
- USDA: 1
Freight Class: Press-fasteners, snap-fasteners & press-studs & parts therefor
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