Product Details | SAFETY RELIEF VALVE

4820-00-832-9736 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: 524A4D125, 532A4D125, 532A4D-125, 4820-00-832-9736, 00-832-9736, 4820008329736, 008329736

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 APR 1967 00-832-9736

Drawings & Photos | NSN 4820-00-832-9736


Cross Reference | NSN 4820-00-832-9736

Part Number Cage Code Manufacturer
524A4D125 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
532A4D-125 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-00-832-9736

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY ALUMINUM ALLOY 6061 FLOW CONTROL DEVICE ALUMINUM ALLOY 2024 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-A-225/8,ALLOY6061,T6 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR C4 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED CARBON DIOXIDE 1ST RESPONSE HYDROGEN 2ND RESPONSE NITROGEN, GASEOUS 3RD RESPONSE OXYGEN, GASEOUS 4TH RESPONSE HELIUM 5TH RESPONSE
MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END
CONNECTION STYLE G50 EXTERNAL SEAT FOR GASKET SEAL 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST 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 PACKING RETAINING
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 125.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 60.0 TO 150.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
MANUFACTURERS CODE 91816
DESIGN CONTROL REFERENCE 532A4D-125

Restrictions/Controls & Freight Information | NSN 4820-00-832-9736

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 KE Naval ICP
Philadelphia, PA 19111
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

Management | NSN 4820-00-832-9736

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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each