Product Details | SAFETY RELIEF VALVE

4820-00-971-4484 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: P1454, 742025PSI, 7420-25PSI, 13212E1362, 4820-00-971-4484, 00-971-4484, 4820009714484, 009714484

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 SEP 1966 00-971-4484

Drawings & Photos | NSN 4820-00-971-4484


Cross Reference | NSN 4820-00-971-4484

Part Number Cage Code Manufacturer
13212E1362 97403 CECOM LR CENTER
7420-25PSI 71342 IMI CASH VALVE INC
7420-25PSI 88078 CASHCO, INC.
P1454 07860 BOGUE ELECTRIC MANUFACTURING CO
P1454 0BXF1 BOGUE SYSTEMS INC.

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Technical Data | NSN 4820-00-971-4484

Characteristic Specifications
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE G9 PLAIN 1ST END G46B PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END 0.500 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END NPT 2ND END
NOMINAL THREAD SIZE 0.500 INCHES 1ST END 0.500 INCHES 2ND END
THREAD QUANTITY PER INCH 14 1ST END 14 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 25.0 POUNDS PER SQUARE INCH
TEST DATA DOCUMENT 97403-13212E1362 DRAWING
MANUFACTURERS CODE 97403
MFR SOURCE CONTROLLING REFERENCE 13212E1362

Restrictions/Controls & Freight Information | NSN 4820-00-971-4484

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 P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code AJ U.S. Army Soldier's Biological and Chemical
Command
Natick, MA 01760
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 4820-00-971-4484

Category Code Description
Cognizance Codes9YNavy-owned stocks of material managed by the Army within the Army Communications and Electronics Materiel Readiness Command
Naval Inventory Control Point, Mechanicsburg
Source of SupplyB16US Army Communications-Electronics
Command and Fort Monmouth
Fort Monmouth, NJ 07703-5016
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each