Product Details | SAFETY RELIEF VALVE

4820-01-143-1385 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: 20140, 2014030T35PSI, 20140-30T35PSI, 20140776SS, 20140-77-6SS, 4820-01-143-1385, 01-143-1385, 4820011431385, 011431385

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 NOV 1982 01-143-1385

Drawings & Photos | NSN 4820-01-143-1385


Demand History | NSN 4820-01-143-1385

Part Number Request Date QTY Origin
20140 2023-10-278 3 DIBBS
2014001S0030 2023-10-278 3 DIBBS
20140-30T35PSI 2023-10-278 3 DIBBS
20140 2023-09-267 3 DIBBS
2014001S0030 2023-09-267 3 DIBBS
20140-30T35PSI 2023-09-267 3 DIBBS
20140 2023-08-233 1 DIBBS
2014001S0030 2023-08-233 1 DIBBS
20140-30T35PSI 2023-08-233 1 DIBBS
20140 2023-08-220 1 DIBBS
2014001S0030 2023-08-220 1 DIBBS
20140-30T35PSI 2023-08-220 1 DIBBS
20140 2023-07-191 1 DIBBS
2014001S0030 2023-07-191 1 DIBBS
20140-30T35PSI 2023-07-191 1 DIBBS
20140 2020-10-294 1 DIBBS
20140-30T35PSI 2020-10-294 1 DIBBS
20140 2020-07-211 1 DIBBS
20140-30T35PSI 2020-07-211 1 DIBBS
20140 2020-04-114 4 DIBBS
20140-30T35PSI 2020-04-114 4 DIBBS
20140 2019-10-293 4 DIBBS
20140-30T35PSI 2019-10-293 4 DIBBS
20140 2019-08-213 1 DIBBS
20140-30T35PSI 2019-08-213 1 DIBBS
20140 2019-07-209 3 DIBBS
20140-30T35PSI 2019-07-209 3 DIBBS
20140 2019-06-169 1 DIBBS
20140-30T35PSI 2019-06-169 1 DIBBS
20140 2019-05-149 1 DIBBS
20140-30T35PSI 2019-05-149 1 DIBBS
4820-01-143-1385 2009-02-40 1 DIBBS
4820-01-143-1385 2009-01-27 1 DIBBS

Cross Reference | NSN 4820-01-143-1385

Part Number Cage Code Manufacturer
20140 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20140 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20140-30T35PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20140-30T35PSI 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20140-77-6SS 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

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Technical Data | NSN 4820-01-143-1385

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 7.250 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 7.750 INCHES
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 275.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 150.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END FLANGE 2ND END
FLANGE SHAPE ROUND 1ST END ROUND 2ND END
NOMINAL OUTSIDE DIAMETER 12.500 INCHES 1ST END 10.000 INCHES 2ND END
NOMINAL THICKNESS 1.438 INCHES 1ST END 1.250 INCHES 2ND END
FLANGE FACE DESIGN PLAIN 1ST END PLAIN 2ND END
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 30.0 TO 35.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 LEVER
SPECIAL FEATURES WITH NOZZLE ON ONE PORT

Restrictions/Controls & Freight Information | NSN 4820-01-143-1385

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 4820-01-143-1385

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