Product Details | CHECK VALVE

4820-00-125-3073 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: 4938D12, 493-8D1-2, 918624, 9-1862-4, 4820-00-125-3073, 00-125-3073, 4820001253073, 001253073

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 NOV 1968 00-125-3073

Drawings & Photos | NSN 4820-00-125-3073


Demand History | NSN 4820-00-125-3073

Part Number Request Date QTY Origin
4820-00-125-3073 2024-08-220 37 GU
493-8D1-2 2016-02-60 173
4820-00-125-3073 2014-07-191 20 United States
4820-00-125-3073 2014-05-150 20 US
493-8D1-2 2013-02-46 108
4820-00-125-3073 2012-03-83 40 US
493-8D1-2 2012-03-74 40

Cross Reference | NSN 4820-00-125-3073

Part Number Cage Code Manufacturer
493-8D1-2 86768 TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC
9-1862-4 86768 TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC

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Technical Data | NSN 4820-00-125-3073

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY STEEL COMP 304 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND STEEL COMP 303 FLOW CONTROL DEVICE ALUMINUM ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATION AISI 304/SAE 30304 ASSN STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR A3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL BOSS 1ST END THREADED INTERNAL BOSS 2ND END
CONNECTION STYLE B4 GASKET SEAL 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES 1ST END
THREAD SERIES DESIGNATOR UNJF 1ST END
NOMINAL THREAD SIZE 0.750 INCHES 1ST END
THREAD CLASS 3B 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
SPECIAL FEATURES 2.0 PSI VALVE OPENING PRESSURE

Restrictions/Controls & Freight Information | NSN 4820-00-125-3073

Category Code Description
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.
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 P 77.5
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 4820-00-125-3073

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
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