Model: 644-423
Hexagon Slotted Plain NutProperties:
A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Part 644-423 NSN 5310-01-422-6625
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: 7318160000
- SITC: 69421
- End Use: Finished metal shapes
- NAICS: 332722
- USDA: 1
Freight Class: Nuts of iron or steel
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