Product Details | SAFETY RELIEF VALVE

4820-00-477-3333 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: M1618149, M16-18149, 4820-00-477-3333, 00-477-3333, 4820004773333, 004773333

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 12 SEP 1969 00-477-3333

Drawings & Photos | NSN 4820-00-477-3333


Cross Reference | NSN 4820-00-477-3333

Part Number Cage Code Manufacturer
M16-18149 9F512 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC PUMP DIVISION

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Technical Data | NSN 4820-00-477-3333

Characteristic Specifications
MATERIAL STEEL OVERALL
SURFACE TREATMENT PAINT
STYLE DESIGNATOR C8 STRAIGHT THRU
FLOW CONTROL DEVICE PISTON
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END THREADED INTERNAL BOSS 2ND END
CONNECTION STYLE G4 GASKET SEAL 2ND END
FLANGE SHAPE RECTANGULAR WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER 1.250 INCHES 1ST END
NOMINAL THICKNESS 1.188 INCHES 1ST END
NOMINAL LENGTH 3.500 INCHES 1ST END
NOMINAL WIDTH 2.000 INCHES 1ST END
BOLT HOLE QUANTITY 4 1ST END
BOLT HOLE NOMINAL DIAMETER 0.375 INCHES 1ST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH 2.375 INCHES 1ST END
FLANGE FACE DESIGN PLAIN 1ST END
THREAD SERIES DESIGNATOR UNF 2ND END
NOMINAL THREAD SIZE 0.438 INCHES 2ND END
THREAD CLASS 2B 2ND END
THREAD DIRECTION RIGHT-HAND 2ND END

Restrictions/Controls & Freight Information | NSN 4820-00-477-3333

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 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 4820-00-477-3333

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
ReparabilityDField Level Reparables
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each