Product Details | SAFETY RELIEF VALVE

4820-00-142-1410 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: 1485 3-4IN, 148534IN, 1517, 4820-00-142-1410, 00-142-1410, 4820001421410, 001421410

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-142-1410

Drawings & Photos | NSN 4820-00-142-1410


Demand History | NSN 4820-00-142-1410

Part Number Request Date QTY Origin
1517 2012-03-88 11 United States

Cross Reference | NSN 4820-00-142-1410

Part Number Cage Code Manufacturer
1485 3-4IN 16497 DRESSER, INC. DBA DRESSER EQUIPMENT GROUP
1517 38056 ASHCROFT INC.

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Technical Data | NSN 4820-00-142-1410

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 150.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G9 PLAIN ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.750 INCHES ALL ENDS
THREAD QUANTITY PER INCH 14 ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
BONNET TYPE EXPOSED SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 100.0 TO 400.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
NONDEFINITIVE SPEC/STD DATA A2 TYPE AND C CLASS

Restrictions/Controls & Freight Information | NSN 4820-00-142-1410

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 XX
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 4820-00-142-1410

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