Product Details | CHECK VALVE

4820-01-097-0343 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: 8454687541, 845-4687541, 845-4687541 ASS, 845-4687541 ASSEMBLY F, 845-4687541 ASSY F, 8454687541ASS, 8454687541ASSEMBLYF, 8454687541ASSYF, 2642-253-01, 4820-01-097-0343, 01-097-0343, 4820010970343, 264225301, 010970343

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 JUL 1980 01-097-0343

Drawings & Photos | NSN 4820-01-097-0343


Demand History | NSN 4820-01-097-0343

Part Number Request Date QTY Origin
4820-01-097-0343 2026-04-105 6 US
4820-01-097-0343 2026-04-103 6 DIBBS
4820-01-097-0343 2025-11-316 6 DIBBS
4820-01-097-0343 2025-09-261 5 DIBBS
4820-01-097-0343 2025-08-219 5 DIBBS
4820-01-097-0343 2024-08-214 5 DIBBS
4820-01-097-0343 2024-06-156 4 DIBBS
4820-01-097-0343 2022-08-220 4 DIBBS
4820-01-097-0343 2022-07-209 4 DIBBS
4820-01-097-0343 2022-06-157 2 DIBBS
4820-01-097-0343 2022-05-146 2 DIBBS
4820-01-097-0343 2021-08-228 5 DIBBS
4820-01-097-0343 2021-08-216 5 DIBBS
4820-01-097-0343 2021-03-88 5 DIBBS
845-4687541 ASSY F 2021-02-46 2 DIBBS
845-4687541 ASSY F 2020-11-314 3 DIBBS
845-4687541 ASSY F 2020-10-303 3 DIBBS
845-4687541 ASSY F 2020-09-272 2 DIBBS
845-4687541 ASSY F 2020-09-261 2 DIBBS
845-4687541 ASSY F 2020-04-121 5 DIBBS
845-4687541 ASSY F 2019-08-217 3 DIBBS
4820-01-097-0343 2016-04-110 1 DIBBS-RFPs
4820-01-097-0343 2012-04-117 9 DIBBS
4820-01-097-0343 2012-04-107 9 DIBBS
4820-01-097-0343 2012-04-107 5 DIBBS
4820-01-097-0343 2011-06-153 3 DIBBS
4820-01-097-0343 2011-02-36 7 DIBBS
4820-01-097-0343 2010-12-347 5 DIBBS
4820-01-097-0343 2010-10-301 3 DIBBS

Cross Reference | NSN 4820-01-097-0343

Part Number Cage Code Manufacturer
2642-253-01 96169 ELECTRIC BOAT CORPORATION
845-4687541 80064 NAVAL SHIP SYSTEMS COMMAND
845-4687541 ASS 80064 NAVAL SHIP SYSTEMS COMMAND
845-4687541 ASSEMBLY F 80064 NAVAL SHIP SYSTEMS COMMAND
845-4687541 ASSY F 71905 DERBYSHIRE MACHINE & TOOL CO
845-4687541 ASSY F 9Y957 FLUIDYNE CORP
845-4687541 ASSY F D8196 DOERRIES SCHARMANN TECHNOLOGIE GMBH

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Technical Data | NSN 4820-01-097-0343

Characteristic Specifications
MATERIAL COPPER ALLOY 706 BODY
STYLE DESIGNATOR E1 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND ALL ENDS
NOMINAL OUTSIDE DIAMETER 4.390 INCHES ALL ENDS
NOMINAL THICKNESS 1.132 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
MOUNTING POSITION HORIZONTAL

Restrictions/Controls & Freight Information | NSN 4820-01-097-0343

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 NICKEL OR NICKEL COPPER
Less than car load rating
Less than truck load rating J 100.2
Water commodity Code 576 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 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 4820-01-097-0343

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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