Product Details | SAFETY RELIEF VALVE

4820-01-235-4866 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: B5349T8BBL3158, 2845008001, 284-5008-001, 4820-01-235-4866, 01-235-4866, 4820012354866, 012354866

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 JUN 1986 01-235-4866

Drawings & Photos | NSN 4820-01-235-4866


Cross Reference | NSN 4820-01-235-4866

Part Number Cage Code Manufacturer
284-5008-001 02602 AEROJET ROCKETDYNE OF DE, INC
B5349T-8BB(L)-3158 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-235-4866

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY
STYLE DESIGNATOR C8 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLE G4 GASKET SEAL ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES ALL ENDS
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.750 INCHES ALL ENDS
THREAD CLASS 3B ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
OPENING PRESSURE SETTING 3158.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-235-4866

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
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 594 unknown
Originating Activity Code AH Defense Supply Center Columbus
Columbus, OH 43215
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