Product Details | CHECK VALVE

4820-01-052-3974 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: 4884D22, 488-4D2-2, 4884D23, 488-4D2-3, 918624, 9-1862-4, 4820-01-052-3974, 01-052-3974, 4820010523974, 010523974

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 15 DEC 1977 01-052-3974

Drawings & Photos | NSN 4820-01-052-3974


Demand History | NSN 4820-01-052-3974

Part Number Request Date QTY Origin
4884D22 2013-09-268 2 US

Cross Reference | NSN 4820-01-052-3974

Part Number Cage Code Manufacturer
488-4D2-2 09990 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC VALVE DIV
488-4D2-3 09990 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC VALVE DIV
488-4D2-3 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 4820-01-052-3974

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2017 BODY STEEL COMP 304 AND STEEL COMP 303 FLOW CONTROL DEVICE ALUMINUM ALLOY 2017 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/5,ALLOY 2017,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-S-763,CLASS 304 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-764,TYPE 303 FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-A-225/5,ALLOY 2017,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
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 AIR 1ST RESPONSE HYDRAULIC FLUID, MINERAL BASE 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 200.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE B42 FLARED ALL ENDS
SEAT ANGLE 37.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATOR UNJ ALL ENDS
NOMINAL THREAD SIZE 0.438 INCHES ALL ENDS
THREAD QUANTITY PER INCH 20 ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
SPECIAL FEATURES CRAKING PRESSURE 3.0 PSI

Restrictions/Controls & Freight Information | NSN 4820-01-052-3974

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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
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 4820-01-052-3974

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative