Product Details | SAFETY RELIEF VALVE

4820-00-554-8528 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: MC16031700, MC1603-1700, 4820-00-554-8528, 00-554-8528, 4820005548528, 005548528

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-554-8528

Drawings & Photos | NSN 4820-00-554-8528


Cross Reference | NSN 4820-00-554-8528

Part Number Cage Code Manufacturer
MC1603-1700 76050 EATON AEROSPACE LLC M C AEROSPACE DIV

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Technical Data | NSN 4820-00-554-8528

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY ALUMINUM ALLOY SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C3 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3630.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 160.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END UNTHREADED EXTERNAL TUBE 2ND END
CONNECTION STYLE G42 FLARED 1ST END G60A PLAIN 2ND END
SEAT ANGLE 37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST END 0.250 INCHES 2ND END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.437 INCHES 1ST END
THREAD QUANTITY PER INCH 20 1ST END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 1700.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED VALVE STEM LOCK SHIELD AND BONNET PACKING

Restrictions/Controls & Freight Information | NSN 4820-00-554-8528

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:UPrecious metal type is unknown
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 XX
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