Product Details | SAFETY RELIEF VALVE

4820-01-450-6204 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: G1299138001, G1-29-9138-001, 4M4ZRL4ABNTSSKB, 4M4Z-RL-4A-BNT-SS-KB, 4820-01-450-6204, 01-450-6204, 4820014506204, 014506204

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 NOV 1997 01-450-6204

Drawings & Photos | NSN 4820-01-450-6204


Cross Reference | NSN 4820-01-450-6204

Part Number Cage Code Manufacturer
4M4Z-RL-4A-BNT-SS-KB 54939 PARKER-HANNIFIN CORPORATION DBA INSTRUMENTATION PRODUCTS
G1-29-9138-001 55827 DME CORPORATION DBA ASTRONICS DME

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Technical Data | NSN 4820-01-450-6204

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END UNTHREADED INTERNAL TUBE 2ND END
CONNECTION STYLE G46B PLAIN 1ST END G26 PLAIN 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 0.250 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND ALL ENDS
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 50.0 TO 100.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION AIRCRAFT,(AC-130A, AC-130H, MC-130H, EC-130E, HC-130)

Restrictions/Controls & Freight Information | NSN 4820-01-450-6204

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
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