Product Details | SAFETY RELIEF VALVE

4820-01-354-8945 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: 1G12P42S, 1G12P42SV, 1G12P4-2SV, 333575, 333575P01, 64588361, 6458836-1, 4820-01-354-8945, 01-354-8945, 4820013548945, 013548945

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 07 MAR 1992 01-354-8945

Drawings & Photos | NSN 4820-01-354-8945


Demand History | NSN 4820-01-354-8945

Part Number Request Date QTY Origin
1G12P42SV 2013-01-22 4 Macedonia

Cross Reference | NSN 4820-01-354-8945

Part Number Cage Code Manufacturer
1G12P4-2SV 8Z296 DANFOSS FLUID POWER INC EASLEY OPN
1G12P42S 8Z296 DANFOSS FLUID POWER INC EASLEY OPN
333575 33654 HOWDEN FLUID SYSTEMS
333575P01 33654 HOWDEN FLUID SYSTEMS
333575P01 59027 MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT WESTERN DESIGN
333575P01 62228 MEGGITT DEFENSE SYSTEMS, INC.
6458836-1 0VWL8 HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS

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Technical Data | NSN 4820-01-354-8945

Characteristic Specifications
MATERIAL ALUMINUM BODY
STYLE DESIGNATOR C8 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPTF ALL ENDS
NOMINAL THREAD SIZE 0.500 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 20.0 TO 150.0 POUNDS PER SQUARE INCH
MOUNTING FACILITY THREADED FASTENER

Restrictions/Controls & Freight Information | NSN 4820-01-354-8945

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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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