Product Details | SAFETY RELIEF VALVE

4820-01-050-9077 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: D49-30UU-02 1/2 IN , D4930UU0212IN, 9523, 9523 551 T 650PSI, 9523551T650PSI, 189-CS-167 551 T 650PSI, 189CS167551T650PSI, 4820-01-050-9077, 01-050-9077, 4820010509077, 010509077

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 NOV 1977 01-050-9077

Drawings & Photos | NSN 4820-01-050-9077


Cross Reference | NSN 4820-01-050-9077

Part Number Cage Code Manufacturer
189-CS-167 551 T 650PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
9523 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
9523 551 T 650PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
D49-30UU-02 1/2 IN 5P967 DANTE VALVE COMPANY INC
D49-30UU-02 1/2 IN 65079 DANCO VALVE COMPANY

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Technical Data | NSN 4820-01-050-9077

Characteristic Specifications
MATERIAL COPPER ALLOY BODY STEEL COMP 303 FLOW CONTROL DEVICE STEEL COMP 304 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE FED STD 66AISI 304/SAE 30304 FED STD SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 650.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 180.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL TUBE 1ST END UNTHREADED INTERNAL TUBE 2ND END
CONNECTION STYLE G30A SOCKET WITH BRAZING RING 1ST END G22A STREAMLINED WITH TWO BRAZING RINGS 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.750 INCHES 1ST END 0.500 INCHES 2ND END
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 551.0 TO 650.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-050-9077

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 4820-01-050-9077

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