Product Details | CHECK VALVE

4820-00-422-9494 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: W-9D 1/2, W9D12, 60913082, 6091308-2, 9, 9D, 9D 1-2IN, 9D12IN, 4820-00-422-9494, 00-422-9494, 4820004229494, 004229494

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 MAY 1974 00-422-9494

Drawings & Photos | NSN 4820-00-422-9494


Demand History | NSN 4820-00-422-9494

Part Number Request Date QTY Origin
9 2024-09-267 10 United States
9D 1-2IN 2024-08-214 49 DIBBS
9D 1-2IN 2020-10-294 51 DIBBS
9D 1-2IN 2020-04-107 54 DIBBS
4820-00-422-9494 2015-12-364 36 DIBBS
4820-00-422-9494 2013-11-319 67 DIBBS
4820-00-422-9494 2013-10-303 67 DIBBS
9 2013-05-151 1
9 2011-08-233 5
9 2011-08-233 5
9 2011-08-233 5
9 2011-08-232 5
9 2011-08-232 5
9 2011-08-232 5
9 2011-07-188 5
9 2011-04-110 2
4820-00-422-9494 2011-01-28 4 DIBBS
4820-00-422-9494 2011-01-13 4 DIBBS
4820-00-422-9494 2010-12-361 4 DIBBS
4820-00-422-9494 2010-09-270 4 DIBBS
4820-00-422-9494 2010-03-61 4 DIBBS

Cross Reference | NSN 4820-00-422-9494

Part Number Cage Code Manufacturer
6091308-2 52088 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
9 79227 WATTS REGULATOR CO
9D 26636 LEWIS CORP
9D 79227 WATTS REGULATOR CO
9D 79277 TELEDYNE WESTERN WIRE AND CABLE TELEDYNE INDUSTRIES INC
9D 1-2IN 79227 WATTS REGULATOR CO
W-9D 1/2 79227 WATTS REGULATOR CO

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Technical Data | NSN 4820-00-422-9494

Characteristic Specifications
MATERIAL COPPER ALLOY BODY RUBBER FLOW CONTROL DEVICE
STYLE DESIGNATOR A2 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 175.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.500 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL
SPECIAL FEATURES INCLUDES ATMOSPHERIC VENT

Restrictions/Controls & Freight Information | NSN 4820-00-422-9494

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 576 unknown
Originating Activity Code 92 NASA Lyndon B. Johnson Space Center
Houston, TX 77058-0001
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-00-422-9494

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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
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