Product Details | SAFETY RELIEF VALVE

4820-00-824-0372 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: 579R188, 579R188H01, H353, 4820-00-824-0372, 00-824-0372, 4820008240372, 008240372

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 AUG 1967 00-824-0372

Drawings & Photos | NSN 4820-00-824-0372


Cross Reference | NSN 4820-00-824-0372

Part Number Cage Code Manufacturer
579R188 97942 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN SYSTEMS
579R188H01 97942 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN SYSTEMS
H353 06239 AUSCO,INC.

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Technical Data | NSN 4820-00-824-0372

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY STEEL COMP 303 AND RUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE ALUMINUM ALLOY 2024 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY 66 FED STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR B3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 225.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END UNTHREADED EXTERNAL HOSE 2ND END
CONNECTION STYLE G42 FLARED 1ST END G63 BEADED 2ND END
SEAT ANGLE 37.0 DEGREES 1ST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED 0.250 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.562 INCHES 1ST END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 255.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-00-824-0372

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 4820-00-824-0372

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