Product Details | SAFETY RELIEF VALVE

4820-01-320-4556 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.

Part Alternates: D562A4D38, D562A-4D-38, 799205615001, 799205615-001, 4820-01-320-4556, 01-320-4556, 4820013204556, 013204556

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 25 MAY 1990 01-320-4556

Drawings & Photos | NSN 4820-01-320-4556


Cross Reference | NSN 4820-01-320-4556

Part Number Cage Code Manufacturer
799205615-001 04939 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
D562A-4D-38 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-320-4556

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY
STYLE DESIGNATOR A1 STRAIGHT THRU
MAXIMUM OPERATING TEMP 71.0 DEG CELSIUS SINGLE RESPONSE

Restrictions/Controls & Freight Information | NSN 4820-01-320-4556

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information