Product Details | SAFETY RELIEF VALVE

4820-01-225-5797 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: R10AL2N2AP AND D50100, R10AL2N2APANDD50100, 4820-01-225-5797, 01-225-5797, 4820012255797, 012255797

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 04 FEB 1986 01-225-5797

Drawings & Photos | NSN 4820-01-225-5797


Demand History | NSN 4820-01-225-5797

Part Number Request Date QTY Origin
R10AL2N2AP AND D50100 2023-12-355 1 DIBBS
R10AL2N2AP AND D50100 2023-02-47 1 DIBBS
R10AL2N2AP AND D50100 2022-09-265 1 DIBBS
R10AL2N2AP AND D50100 2022-09-254 1 DIBBS
R10AL2N2AP AND D50100 2021-03-87 1 DIBBS
R10AL2N2AP AND D50100 2021-03-70 1 DIBBS
4820-01-225-5797 2018-05-126 1 DIBBS
4820-01-225-5797 2018-04-92 1 DIBBS
4820-01-225-5797 2017-09-264 1 DIBBS
4820-01-225-5797 2017-06-166 1 DIBBS
4820-01-225-5797 2017-03-68 1 DIBBS
4820-01-225-5797 2017-02-57 1 DIBBS
4820-01-225-5797 2017-01-24 1 DIBBS
4820-01-225-5797 2016-11-330 1 DIBBS
4820-01-225-5797 2016-11-319 1 DIBBS
4820-01-225-5797 2010-10-280 1 DIBBS
4820-01-225-5797 2010-04-119 1 DIBBS
4820-01-225-5797 2009-04-96 1 DIBBS

Cross Reference | NSN 4820-01-225-5797

Part Number Cage Code Manufacturer
R10AL2N2AP AND D50100 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS

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Technical Data | NSN 4820-01-225-5797

Characteristic Specifications
MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
BONNET ATTACHMENT METHOD BOLTED
FURNISHED ITEMS AND QUANTITY 1 LEVER
BOLT CIRCLE NOMINAL DIAMETER 5.500 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER 0.562 INCHES ALL ENDS
ADJUSTABLE PRESSURE RANGE +60.0 TO 74.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER 7.688 INCHES 1ST END
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 5.062 INCHES
NOMINAL THICKNESS 0.500 INCHES ALL ENDS
MATERIAL COPPER ALLOY BODY
CONNECTION TYPE FLANGE ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 5.062 INCHES
NOMINAL OUTSIDE DIAMETER 6.625 INCHES 2ND END
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
DISK LOADING METHOD SPRING
FLANGE FACE DESIGN PLAIN ALL ENDS
VALVE OPERATION METHOD AUTOMATIC
BOLT HOLE QUANTITY 8 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 6.562 INCHES 1ST END
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
BONNET TYPE INSIDE SCREW
VALVE SIZE 3.000 INCHES

Restrictions/Controls & Freight Information | NSN 4820-01-225-5797

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 4820-01-225-5797

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
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