Product Details | CHECK VALVE

4820-01-347-7747 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: 80313857215, 803-1385721-5, 803138572151, 803-1385721-51, 4820-01-347-7747, 01-347-7747, 4820013477747, 013477747

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 29 OCT 1991 01-347-7747

Drawings & Photos | NSN 4820-01-347-7747


Demand History | NSN 4820-01-347-7747

Part Number Request Date QTY Origin
4820-01-347-7747 2025-11-321 28 DIBBS
4820-01-347-7747 2025-11-310 28 DIBBS
4820-01-347-7747 2025-03-82 42 DIBBS
4820-01-347-7747 2025-01-23 20 DIBBS
4820-01-347-7747 2024-09-256 24 DIBBS
4820-01-347-7747 2023-10-284 24 DIBBS
4820-01-347-7747 2022-03-87 46 DIBBS
4820-01-347-7747 2022-03-76 46 DIBBS
4820-01-347-7747 2021-05-146 1 US
4820-01-347-7747 2019-07-182 58 DIBBS
4820-01-347-7747 2019-06-169 58 DIBBS
4820-01-347-7747 2018-02-32 46 DIBBS
4820-01-347-7747 2017-12-345 14 DIBBS
4820-01-347-7747 2017-10-295 15 DIBBS
4820-01-347-7747 2017-08-225 14 DIBBS
4820-01-347-7747 2017-04-94 14 DIBBS
4820-01-347-7747 2016-04-105 14 DIBBS
4820-01-347-7747 2015-10-285 6 DIBBS
4820-01-347-7747 2014-08-225 12 DIBBS
4820-01-347-7747 2012-11-334 7 DIBBS
4820-01-347-7747 2012-04-104 7 DIBBS
4820-01-347-7747 2012-03-89 6 DIBBS
4820-01-347-7747 2010-09-272 3 DIBBS
4820-01-347-7747 2010-04-118 3 DIBBS
4820-01-347-7747 2009-05-140 3 DIBBS

Cross Reference | NSN 4820-01-347-7747

Part Number Cage Code Manufacturer
803-1385721-5 80064 NAVAL SHIP SYSTEMS COMMAND
803-1385721-51 53711 NAVAL SEA SYSTEMS COMMAND
803-1385721-51 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-347-7747

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR E1 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B20B SOCKET ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 1.000 INCHES ALL ENDS
MOUNTING POSITION HORIZONTAL

Restrictions/Controls & Freight Information | NSN 4820-01-347-7747

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 HX Navy ICP
Mechanicsburg, PA 17055-0788
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 4820-01-347-7747

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each