Product Details | CHECK VALVE

4820-00-835-4847 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: R2A7558, 4820-00-835-4847, 00-835-4847, 4820008354847, 008354847

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-835-4847

Drawings & Photos | NSN 4820-00-835-4847


Cross Reference | NSN 4820-00-835-4847

Part Number Cage Code Manufacturer
R2A7558 27188 MARMON-HERRINGTON COMPANY INC
R2A7558 38460 LONG-AIRDOX CO

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Technical Data | NSN 4820-00-835-4847

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT PASSIVATE
STYLE DESIGNATOR A2 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 500.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE B9 PLAIN 1ST END B46B PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES 1ST END 1.500 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END NPT 2ND END
NOMINAL THREAD SIZE 0.750 INCHES 1ST END 1.500 INCHES 2ND END
THREAD QUANTITY PER INCH 11-1/2 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
MANUFACTURERS CODE 27188
DESIGN CONTROL REFERENCE R2A7558

Restrictions/Controls & Freight Information | NSN 4820-00-835-4847

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 579 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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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