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4820-01-558-4571
Safety Relief Valve
4820015584571 015584571 2S6556
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE. View more Safety Relief Valve
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January 2023
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Restrictions 4820-01-558-4571
4820-01-558-4571 is a Safety Relief Valve that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Demilitarization of this item has been confirmed and is not currently subject to changes. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item is not suspected to be hazardous. This item does not contain a precious metal.
Import and Export 4820-01-558-4571
- Schedule B
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- HTS Code
- Subscribe to View HTS Code
End Users 4820-01-558-4571
- United Kingdom (ZK01)
- Effective Date:
- 1 Nov 2007
Approved Sources 4820-01-558-4571
- Part Number
- Manufacturer
- Status
- 2S6556
- Manufacturer
- 93135 - Portman Instrument Co (Obsolete)
- Original Design
- Original Design
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Freight Information 4820-01-558-4571
4820-01-558-4571 has freight characteristics.. 4820-01-558-4571 has a variance between NMFC and UFC when transported by rail and the description should be consulted.