Product Details | SAFETY RELIEF VALVE

4820-01-449-9443 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: AVF120S28, AVF-120-S28, 4820-01-449-9443, 01-449-9443, 4820014499443, 014499443

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 21 OCT 1997 01-449-9443

Cross Reference | NSN 4820-01-449-9443

Part Number Cage Code Manufacturer
AVF-120-S28 09990 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC VALVE DIV
AVF-120-S28 86768 TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC

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Technical Data | NSN 4820-01-449-9443

Characteristic Specifications
VALVE OPERATION METHOD AUTOMATIC
III END ITEM IDENTIFICATION 4920-01-347-1666; SUPPORT EQUIPMENT (SE), B-2 BOMBER AIRCRAFT

Restrictions/Controls & Freight Information | NSN 4820-01-449-9443

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