Product Details | SAFETY RELIEF VALVE

4820-01-086-2834 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: 20031, 20031-3-4X3-4 51T70PSI, 2003134X3451T70PSI, 20031G91M, 4820-01-086-2834, 01-086-2834, 4820010862834, 010862834

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 24 NOV 1979 01-086-2834

Drawings & Photos | NSN 4820-01-086-2834


Demand History | NSN 4820-01-086-2834

Part Number Request Date QTY Origin
20031 2023-07-191 1 DIBBS
20031-3-4X3-4 51T70PSI 2023-07-191 1 DIBBS
20031A01S0051 2023-07-191 1 DIBBS
20031 2023-03-76 1 United States
20031 2022-09-269 1 DIBBS
20031-3-4X3-4 51T70PSI 2022-09-269 1 DIBBS
20031G91M 2022-09-269 1 DIBBS
20031 2022-09-258 1 DIBBS
20031-3-4X3-4 51T70PSI 2022-09-258 1 DIBBS
20031G91M 2022-09-258 1 DIBBS
4820-01-086-2834 2013-04-107 1 DIBBS
4820-01-086-2834 2012-08-239 1 DIBBS

Cross Reference | NSN 4820-01-086-2834

Part Number Cage Code Manufacturer
20031 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20031 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20031-3-4X3-4 51T70PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20031-3-4X3-4 51T70PSI 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20031G91M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20031G91M 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-086-2834

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING COPPER ALLOY SEAT COPPER ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G30B SOCKET WITH BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 51.0 TO 70.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 2 BRAZING RING

Restrictions/Controls & Freight Information | NSN 4820-01-086-2834

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:UPrecious metal type is unknown
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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-01-086-2834

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