Product Details | CHECK VALVE

4820-00-903-4911 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: SV313, SV3-13, U3FBRBN.125 SS , U3FBRBN125SS, 10676424 , 10676424001, 10676424-001 , 119B6PP, 4820-00-903-4911, 00-903-4911, 4820009034911, 009034911

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 15 JUN 1966 00-903-4911

Drawings & Photos | NSN 4820-00-903-4911


Demand History | NSN 4820-00-903-4911

Part Number Request Date QTY Origin
119B6PP 2023-01-10 1 DIBBS
U3FBRBN.125 SS 2023-01-10 1 DIBBS
119B6PP 2022-06-153 1 DIBBS
U3FBRBN.125 SS 2022-06-153 1 DIBBS
119B6PP 2022-04-109 1 DIBBS
U3FBRBN.125 SS 2022-04-109 1 DIBBS
119B6PP 2019-01-15 2 VI
4820-00-903-4911 2011-08-238 5 DIBBS
4820-00-903-4911 2011-03-67 8 DIBBS

Cross Reference | NSN 4820-00-903-4911

Part Number Cage Code Manufacturer
10676424 56161 GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION
10676424-001 56161 GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION
119B6PP 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
SV3-13 98437 ELLIS & WATTS INTERNATIONAL, LLC

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Technical Data | NSN 4820-00-903-4911

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE CARBON DIOXIDE 2ND RESPONSE HELIUM 3RD RESPONSE HYDROGEN 4TH RESPONSE GAS, NATURAL 5TH RESPONSE
MAXIMUM OPERATING PRESSURE 25.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 226.0 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 0.750 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
SPECIAL FEATURES 0.144 PSI VALVE CRACKING PRESSURE

Restrictions/Controls & Freight Information | NSN 4820-00-903-4911

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 AJ U.S. Army Soldier's Biological and Chemical
Command
Natick, MA 01760
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 4820-00-903-4911

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityAItem requires special handling or condemnation procedures for specific reasons, such as precious metal content, high dollar value, critical material, or hazardous materiel. Refer to appropriate manuals or directives for specific instructions.
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
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