Product Details | SAFETY RELIEF VALVE

4820-01-130-4321 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: E8567T51M, E8714T51M, 8567, 8714, 4820-01-130-4321, 01-130-4321, 4820011304321, 011304321

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 APR 1982 01-130-4321

Drawings & Photos | NSN 4820-01-130-4321


Cross Reference | NSN 4820-01-130-4321

Part Number Cage Code Manufacturer
8567 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
8714 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8567T51M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8567T51M 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
E8714T51M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8714T51M 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-130-4321

Characteristic Specifications
MATERIAL COPPER ALLOY BODY NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT STEEL COMP 316 STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 702.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END
CONNECTION STYLE G22A STREAMLINED WITH TWO BRAZING RINGS 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.840 INCHES 1ST END
THREAD SERIES DESIGNATOR UNS 2ND END
NOMINAL THREAD SIZE 1.625 INCHES 2ND END
THREAD QUANTITY PER INCH 16 2ND END
THREAD CLASS 3A 2ND END
THREAD DIRECTION RIGHT-HAND 2ND END
ADJUSTABLE PRESSURE RANGE 211.0 TO 240.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 NUT AND 1 TAILPIECE
SPECIAL FEATURES VALVE SZ 0.500 IN.

Restrictions/Controls & Freight Information | NSN 4820-01-130-4321

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 671 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 4820-01-130-4321

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each