Product Details | SAFETY RELIEF VALVE

4820-00-918-4433 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: 3176592, 317659-2, 4820-00-918-4433, 00-918-4433, 4820009184433, 009184433

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 SEP 1966 00-918-4433

Drawings & Photos | NSN 4820-00-918-4433


Demand History | NSN 4820-00-918-4433

Part Number Request Date QTY Origin
317659-2 2020-02-52 662 DIBBS
317659-2 2019-10-303 358 DIBBS
4820-00-918-4433 2016-06-164 828 DIBBS
4820-00-918-4433 2016-04-102 726 DIBBS
4820-00-918-4433 2015-09-244 456 DIBBS
4820-00-918-4433 2015-01-08 325 DIBBS
4820-00-918-4433 2012-12-354 698 DIBBS
4820-00-918-4433 2012-12-353 698 DIBBS
3176592 2010-09-266 208 United States

Cross Reference | NSN 4820-00-918-4433

Part Number Cage Code Manufacturer
317659-2 80020 NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2

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Technical Data | NSN 4820-00-918-4433

Characteristic Specifications
MATERIAL STEEL BODY STEEL CORROSION RESISTING SEAT
STYLE DESIGNATOR A1 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED OIL, HYDRAULIC SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL TUBE 1ST END
CONNECTION STYLE G5A FLARE 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.750 INCHES 1ST END
THREAD CLASS 3B 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
BONNET TYPE PACKING RETAINING
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 225.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-00-918-4433

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:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 KE Naval ICP
Philadelphia, PA 19111
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 4820-00-918-4433

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each