Product Details | SAFETY RELIEF VALVE

4820-01-411-9465 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: 1/2-1543D-XMY1 SET 10PSI, 121543DXMY1SET10PSI, 314684, 314684-1/2-1543D-XMY1 SET 10PSI, 314684121543DXMY1SET10PSI, 4820-01-411-9465, 01-411-9465, 4820014119465, 014119465

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 APR 1995 01-411-9465

Drawings & Photos | NSN 4820-01-411-9465


Cross Reference | NSN 4820-01-411-9465

Part Number Cage Code Manufacturer
1/2-1543D-XMY1 SET 10PSI 06487 CHALMERS AND KUBECK INC
1/2-1543D-XMY1 SET 10PSI 16497 DRESSER, INC. DBA DRESSER EQUIPMENT GROUP
1/2-1543D-XMY1 SET 10PSI 1TG13 CHALMERS & KUBECK, INC.
314684 16497 DRESSER, INC. DBA DRESSER EQUIPMENT GROUP
314684-1/2-1543D-XMY1 SET 10PSI 16497 DRESSER, INC. DBA DRESSER EQUIPMENT GROUP

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Technical Data | NSN 4820-01-411-9465

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 406.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END THREADED INTERNAL PIPE 2ND END
CONNECTION STYLE G46B PLAIN 1ST END G9 PLAIN 2ND END
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.500 INCHES 1ST END 0.750 INCHES 2ND END
THREAD DIRECTION RIGHT-HAND ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD INTEGRAL
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 10.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 LEVER

Restrictions/Controls & Freight Information | NSN 4820-01-411-9465

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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4820-01-411-9465

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each