Product Details | CHECK VALVE

4820-00-781-6899 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: C32935, C32935L1, 2620908X6ASSYJ, 2620-908X6ASSYJ, 2620908X6ASSYJL1, 2620-908X6ASSYJL1, 4820-00-781-6899, 00-781-6899, 4820007816899, 007816899

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 27 MAR 1968 00-781-6899

Drawings & Photos | NSN 4820-00-781-6899


Cross Reference | NSN 4820-00-781-6899

Part Number Cage Code Manufacturer
2620-908X6ASSYJ 85850 EVANS', JOHN SONS, INCORPORATED
2620-908X6ASSYJ 96169 ELECTRIC BOAT CORPORATION
2620-908X6ASSYJL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
C32935 77842 EATON CORPORATION DBA CENTURIAN MECHANICAL SEALS
C32935L1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-00-781-6899

Characteristic Specifications
MATERIAL NICKEL ALLOY 400 BODY RUBBER SEAT
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END
CONNECTION STYLE B50 EXTERNAL SEAT FOR GASKET SEAL 1ST END
THREAD SERIES DESIGNATOR UNS 1ST END
NOMINAL THREAD SIZE 2.312 INCHES 1ST END
THREAD QUANTITY PER INCH 12 1ST END
THREAD CLASS 2A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS QUALITY ASSURANCE TESTING IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE
MANUFACTURERS CODE 77842
DESIGN CONTROL REFERENCE C32935

Restrictions/Controls & Freight Information | NSN 4820-00-781-6899

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: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 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 4820-00-781-6899

Category Code Description
Cognizance Codes1HConsumable material assigned to NAVICP MECH for inventory management
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.
Source of SupplyN35Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each