Product Details | CHECK VALVE

4820-01-440-7530 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: 7-U2-2 1/2IN X 1/2IN, 7U2212INX12IN, 4820-01-440-7530, 01-440-7530, 4820014407530, 014407530

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 23 JAN 1997 01-440-7530

Drawings & Photos | NSN 4820-01-440-7530


Demand History | NSN 4820-01-440-7530

Part Number Request Date QTY Origin
7-U2-2 1/2IN X 1/2IN 2020-11-310 8 DIBBS
7-U2-2 1/2IN X 1/2IN 2020-03-72 1 DIBBS
7-U2-2 1/2IN X 1/2IN 2017-11-312 1 US
4820-01-440-7530 2017-04-114 2 DIBBS

Cross Reference | NSN 4820-01-440-7530

Part Number Cage Code Manufacturer
7-U2-2 1/2IN X 1/2IN 79227 WATTS REGULATOR CO

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Technical Data | NSN 4820-01-440-7530

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END UNTHREADED INTERNAL PIPE 2ND END
CONNECTION STYLE B9 PLAIN 1ST END B20B SOCKET 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 2ND END
THREAD SERIES DESIGNATOR NPTF 1ST END
NOMINAL THREAD SIZE 0.500 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
END ITEM IDENTIFICATION STRATEGIC SEALIFT CONVERSION SHIPS CLASS

Restrictions/Controls & Freight Information | NSN 4820-01-440-7530

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: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 4820-01-440-7530

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