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- FSC 4820 | Nonpowered Valves
- 52-20-V-3IN
Model: 52-20-V-3IN
Vent-check ValveSpecial Features:
Ball flow control device is float-type; includes flame screen and protective screen; does not include cover; nha dewatering system
Properties:
A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.
Part 52-20-V-3IN NSN 4820-01-486-1036
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: 8481302090
- SITC: 74730
- End Use: Industrial machines, other
- NAICS: 332911
- USDA: 1
Freight Class: Check valves of steel
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