Product Details | SAFETY RELIEF VALVE

4820-01-407-0682 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: SW1073, SW138, SW138 02S0015, SW13802S0015, SW138B01S0013, 4820-01-407-0682, 01-407-0682, 4820014070682, 014070682, 211047596

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 JAN 1995 01-407-0682

Drawings & Photos | NSN 4820-01-407-0682


Cross Reference | NSN 4820-01-407-0682

Part Number Cage Code Manufacturer
211047596 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SW1073 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SW1073 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
SW138 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SW138 02S0015 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SW138B01S0013 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SW138B01S0013 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-407-0682

Characteristic Specifications
MATERIAL STEEL BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 4.750 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 4.750 INCHES
VALVE SIZE 1.500 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 285.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 5.000 INCHES ALL ENDS
NOMINAL THICKNESS 0.688 INCHES ALL ENDS
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.625 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 3.875 INCHES ALL ENDS
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT 0.062 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER 2.875 INCHES ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD UNION
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 15.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 LEVER
III END ITEM IDENTIFICATION SEAWOLF CLASS SSN

Restrictions/Controls & Freight Information | NSN 4820-01-407-0682

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 4820-01-407-0682

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