Product Details | SAFETY RELIEF VALVE

4820-00-528-2838 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: A50092CD12, 1030009, 10-3000-9, 110102, 11010-2, 4820-00-528-2838, 00-528-2838, 4820005282838, 005282838

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-528-2838

Drawings & Photos | NSN 4820-00-528-2838


Demand History | NSN 4820-00-528-2838

Part Number Request Date QTY Origin
4820-00-528-2838 2009-08-233 8 DIBBS
4820-00-528-2838 2009-08-219 8 DIBBS

Cross Reference | NSN 4820-00-528-2838

Part Number Cage Code Manufacturer
10-3000-9 81205 THE BOEING COMPANY DBA BOEING
11010-2 75201 BAHR MACHINE CO DBA BMC
A50092CD12 81982 HYDRO-AIRE, INC.

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Technical Data | NSN 4820-00-528-2838

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY STEEL CORROSION RESISTING SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR A1 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 32.0 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL BOSS 1ST END
CONNECTION STYLE G4 GASKET SEAL 1ST END
THREAD SERIES DESIGNATOR UNJ 1ST END
NOMINAL THREAD SIZE 1.062 INCHES 1ST END
THREAD QUANTITY PER INCH 12 1ST END
THREAD CLASS 3B 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 2100.0 TO 3500.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
III SUPPLEMENTARY FEATURES APPLICABLE TO ACFT,TYPE C-135 AND KC-135

Restrictions/Controls & Freight Information | NSN 4820-00-528-2838

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 P 77.5
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
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-00-528-2838

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each