Model: 3987920
Helical GearSpecial Features:
Used on general motor 1973 through 1977
Properties:
A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:
Part 3987920 NSN 3020-01-221-1472
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsFreight Classification
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Schedule B and Export
- Schedule B: 8483409000
- SITC: 74840
- End Use: Industrial machines, other
- NAICS: 333612
- USDA: 1
Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
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