Product Details | SAFETY RELIEF VALVE

4820-01-414-5568 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: 5159A8EB25, 7572990003, 7572990-003, 4820-01-414-5568, 01-414-5568, 4820014145568, 014145568

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 JUN 1995 01-414-5568

Drawings & Photos | NSN 4820-01-414-5568


Demand History | NSN 4820-01-414-5568

Part Number Request Date QTY Origin
4820-01-414-5568 2011-05-140 1 DIBBS

Cross Reference | NSN 4820-01-414-5568

Part Number Cage Code Manufacturer
5159A8EB25 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
7572990-003 13160 GENERAL DYNAMICS LAND SYSTEMS INC. DBA WOODBRIDGE TECHNICAL CENTER

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Technical Data | NSN 4820-01-414-5568

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY
STYLE DESIGNATOR C8 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE HELIUM 2ND RESPONSE WATER, FRESH 3RD RESPONSE
MAXIMUM OPERATING PRESSURE 2400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 25.0 POUNDS PER SQUARE INCH
MINIMUM OPERATING TEMP -40.0 DEG FAHRENHEIT
SPECIAL FEATURES MANUAL OVERRIDE
III END ITEM IDENTIFICATION AIRCRAFT, (AC-130A, AC-130H, MC-130H, EC-13)

Restrictions/Controls & Freight Information | NSN 4820-01-414-5568

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