Model: 4939
Engine Poppet ValveProperties:
A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.
Part 4939 NSN 2805-00-288-3640
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsFreight Classification
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Schedule B and Export
- Schedule B: 8409918000
- SITC: 71391
- End Use: Industrial engines
- NAICS: 333618
- USDA: 1
Freight Class: Parts for spark-ignition internal combustion piston engines, nesoi
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