Product Details | CHECK VALVE

4820-00-326-5797 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: SS8452007680, SS845-2007680, SS8452007680ASSYRA, SS845-2007680ASSYRA, SS8452007680ASSYRAL1, SS845-2007680ASSYRAL1, SS8452007680L1, SS845-2007680L1, 2640257ASSYRA, 2640-257ASSYRA, 2640257ASSYRAL1, 2640-257ASSYRAL1, 4820-00-326-5797, 00-326-5797, 4820003265797, 003265797

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 29 MAR 1971 00-326-5797

Cross Reference | NSN 4820-00-326-5797

Part Number Cage Code Manufacturer
2640-257ASSYRA 96169 ELECTRIC BOAT CORPORATION
2640-257ASSYRAL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2007680 80064 NAVAL SHIP SYSTEMS COMMAND
SS845-2007680ASSYRA 80064 NAVAL SHIP SYSTEMS COMMAND
SS845-2007680ASSYRAL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2007680L1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-00-326-5797

Characteristic Specifications
MATERIAL NICKEL ALLOY BODY
FACE TO FACE DISTANCE 11.500 INCHES
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END
FLANGE SHAPE ROUND 1ST END
NOMINAL OUTSIDE DIAMETER 6.125 INCHES 1ST END
NOMINAL THICKNESS 0.938 INCHES 1ST END
FLANGE FACE DESIGN PLAIN 1ST END
MOUNTING POSITION HORIZONTAL
DISK LOADING METHOD WEIGHT
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS QUAITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICACTION AND CONTROL INSTRUCTIONS FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATION ZZZY
END ITEM IDENTIFICATION VALVE CHK SWG 2.50IPS 650PSI FLGE NICOP
MANUFACTURERS CODE 80064
DESIGN CONTROL REFERENCE SS845-2007680ASSYRA

Restrictions/Controls & Freight Information | NSN 4820-00-326-5797

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:YThe item does not have a nuclear hardened feature but does have other critical feature(s) 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 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 4820-00-326-5797

Category Code Description
Cognizance Codes7HDepot level reparable shipboard and base equipment, assemblies, components and repair parts related to Naval Sea Systems Command equipment
Naval Inventory Control Point, Mechanicsburg
Issue Repair, or RequisitionBLSubmit/refer requisitions to NAVICP MECH. Centralized control for issue of repair parts for specific programs/equipments.
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 OrganizationLLead Service - 22 (Repairable)
ReparabilityHDepot Level Reparable
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