Product Details | CHECK VALVE

4820-00-919-4751 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: NS-4023 ASSY B, NS-4023 ASSY BL1, NS4023ASSYB, NS4023ASSYBL1, 2620927ASSYBHL1, 2620-927ASSYBHL1, 2621-927-09 ASSYIAL1, 262192709ASSYIAL1, 95600007L1, 956-00007L1, 4820-00-919-4751, 00-919-4751, 4820009194751, 009194751

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 10 AUG 1966 00-919-4751

Drawings & Photos | NSN 4820-00-919-4751


Demand History | NSN 4820-00-919-4751

Part Number Request Date QTY Origin
4820-00-919-4751 2014-07-196 16 NECO
4820-00-919-4751 2013-12-354 73 NECO
4820-00-919-4751 2013-06-157 73 NECO

Cross Reference | NSN 4820-00-919-4751

Part Number Cage Code Manufacturer
2620-927ASSYBHL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2621-927-09 ASSYIAL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
956-00007L1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
NS-4023 ASSY B 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
NS-4023 ASSY BL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-00-919-4751

Characteristic Specifications
MATERIAL COPPER ALLOY 903 FLOW CONTROL DEVICE
STYLE DESIGNATOR A2A STRAIGHT THRU FLANGED ENDS
VALVE SIZE 3.000 INCHES
FACE TO FACE DISTANCE 11.688 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END
FLANGE SHAPE ROUND 1ST END
NOMINAL OUTSIDE DIAMETER 7.438 INCHES 1ST END
NOMINAL THICKNESS 1.375 INCHES 1ST END
FLANGE FACE DESIGN PLAIN 1ST END
MOUNTING POSITION HORIZONTAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 15187
DESIGN CONTROL REFERENCE NS-4023 ASSY B

Restrictions/Controls & Freight Information | NSN 4820-00-919-4751

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:UPrecious metal type is unknown
Criticality Code:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
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 4820-00-919-4751

Category Code Description
Cognizance Codes3HNAVICP MECH managed Field Level Repairables
Naval Inventory Control Point, Mechanicsburg
Special Material IDL1An items that supports either a SUBSAFE or Level 1 system that has undergone the extreme material control and quality assurance techniques that provide objective exidence of its acceptance for its appropriate application. Each item has certification papers (or special markings that provide traceability to the certification) that pedigree its material and physical properties, provide traceability, to manufacturer, contract list and lot, and document the quality assurance system and test requirements applied to the item.
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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