Product Details | SAFETY RELIEF VALVE

4820-00-981-5862 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: 51220001054, 5122-000-1054, 4820-00-981-5862, 00-981-5862, 4820009815862, 009815862

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-981-5862

Drawings & Photos | NSN 4820-00-981-5862


Cross Reference | NSN 4820-00-981-5862

Part Number Cage Code Manufacturer
5122-000-1054 87990 QUARTERMASTER GENERAL

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Technical Data | NSN 4820-00-981-5862

Characteristic Specifications
MATERIAL PLASTIC BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STYLE DESIGNATOR C4 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING TEMP 60.0 DEG CELSIUS SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END
CONNECTION STYLE G50 EXTERNAL SEAT FOR GASKET SEAL 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.562 INCHES 1ST END
THREAD CLASS 2A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING

Restrictions/Controls & Freight Information | NSN 4820-00-981-5862

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
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 576 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable