Product Details | CHECK VALVE

4820-00-541-3994 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: 2897, 4820-00-541-3994, 00-541-3994, 4820005413994, 005413994

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-541-3994

Drawings & Photos | NSN 4820-00-541-3994


Cross Reference | NSN 4820-00-541-3994

Part Number Cage Code Manufacturer
2897 80318 BTR VALVE SEALANTS INC

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Technical Data | NSN 4820-00-541-3994

Characteristic Specifications
MATERIAL STEEL BODY
STYLE DESIGNATOR A2 STRAIGHT THRU
FACE TO FACE DISTANCE 13.000 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END
FLANGE SHAPE ROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER 7.500 INCHES 1ST END
NOMINAL THICKNESS 1.125 INCHES 1ST END
BOLT HOLE QUANTITY 8 1ST END
BOLT HOLE NOMINAL DIAMETER 0.875 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER 5.875 INCHES 1ST END
FLANGE FACE DESIGN RAISED STRAIGHT 1ST END
RAISED FACE NOMINAL HEIGHT 0.250 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER 4.125 INCHES 1ST END
MOUNTING POSITION HORIZONTAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY SIZE 2 1/2 IN
MANUFACTURERS CODE 80318
DESIGN CONTROL REFERENCE 2897

Restrictions/Controls & Freight Information | NSN 4820-00-541-3994

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 XX
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 4820-00-541-3994

Category Code Description
Cognizance Codes1HConsumable material assigned to NAVICP MECH for inventory management
Naval Inventory Control Point, Mechanicsburg
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