Product Details | SAFETY RELIEF VALVE

4820-01-406-8792 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: NMP1541, NMP-1541, NMP-1541 CD-CDS-660, NMP1541A02S0265 CDS660, NMP1541A02S0265CDS660, NMP1541CDCDS660, 4820-01-406-8792, 01-406-8792, 4820014068792, 014068792

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 13 JAN 1995 01-406-8792

Drawings & Photos | NSN 4820-01-406-8792


Cross Reference | NSN 4820-01-406-8792

Part Number Cage Code Manufacturer
NMP-1541 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1541 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP-1541 CD-CDS-660 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1541 CD-CDS-660 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
NMP-1541 CD-CDS-660 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP1541A02S0265 CDS660 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP1541A02S0265 CDS660 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
NMP1541A02S0265 CDS660 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV

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Technical Data | NSN 4820-01-406-8792

Characteristic Specifications
MATERIAL STEEL BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 1.510 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 1.510 INCHES
VALVE SIZE 0.750 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 165.0 POUNDS PER SQUARE INCH 1ST RESPONSE 225.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT 1ST RESPONSE 250.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 4.250 INCHES 1ST END 3.875 INCHES 2ND END
NOMINAL THICKNESS 0.438 INCHES 1ST END 0.062 INCHES 2ND END
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.625 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 3.125 INCHES 1ST END 2.750 INCHES 2ND END
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT 0.063 INCHES 1ST END 0.250 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER 2.000 INCHES 1ST END 1.688 INCHES 2ND END
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 262.0 TO 304.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-406-8792

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 4820-01-406-8792

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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
F
EA : Each