Product Details | SAFETY RELIEF VALVE

4820-01-394-6226 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: NMP1521, NMP-1521, NMP-1521 OPT.1 85T104PSI, NMP1521OPT185T104PSI, DX-10C 85T104PSI, DX-10C NMP-1521 OPT.1 85T104PSI, DX10C85T104PSI, DX10CNMP1521OPT185T104PSI, 4820-01-394-6226, 01-394-6226, 4820013946226, 013946226

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 12 AUG 1994 01-394-6226

Drawings & Photos | NSN 4820-01-394-6226


Cross Reference | NSN 4820-01-394-6226

Part Number Cage Code Manufacturer
DX-10C 85T104PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
DX-10C 85T104PSI 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
DX-10C 85T104PSI 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
DX-10C NMP-1521 OPT.1 85T104PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
DX-10C NMP-1521 OPT.1 85T104PSI 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
DX-10C NMP-1521 OPT.1 85T104PSI 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP-1521 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1521 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP-1521 OPT.1 85T104PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1521 OPT.1 85T104PSI 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
NMP-1521 OPT.1 85T104PSI 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV

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Technical Data | NSN 4820-01-394-6226

Characteristic Specifications
MATERIAL STEEL UNS J03002 BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL COMP 416 STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 3.312 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 3.250 INCHES
VALVE SIZE 0.500 INCHES
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 120.0 POUNDS PER SQUARE INCH 1ST RESPONSE 180.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 650.0 DEG FAHRENHEIT 1ST RESPONSE 400.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 3.500 INCHES 1ST END 4.250 INCHES 2ND END
NOMINAL THICKNESS 0.438 INCHES 1ST END 0.375 INCHES 2ND END
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.625 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 2.375 INCHES 1ST END 3.125 INCHES 2ND END
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT 0.250 INCHES 1ST END 0.062 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER 1.375 INCHES 1ST END 2.000 INCHES 2ND END
ADJUSTABLE PRESSURE RANGE 85.0 TO 104.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-394-6226

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 4820-01-394-6226

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
1
EA : Each