Product Details | CHECK VALVE

4820-00-843-4643 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: 201, 4820-00-843-4643, 00-843-4643, 4820008434643, 008434643

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-843-4643

Drawings & Photos | NSN 4820-00-843-4643


Demand History | NSN 4820-00-843-4643

Part Number Request Date QTY Origin
201 2025-03-65 2 United States
201 2012-02-51 6 United States

Cross Reference | NSN 4820-00-843-4643

Part Number Cage Code Manufacturer
201 86520 CONBRACO INDUSTRIES INC R-P AND C VALVE DIV

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4820-00-843-4643

Technical Data | NSN 4820-00-843-4643

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE COPPER ALLOY SEAT
STYLE DESIGNATOR A2 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH 1ST RESPONSE 400.0 POUNDS PER SQUARE INCH 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END
CONNECTION STYLE B9 PLAIN 1ST END
NOMINAL PIPE SIZE ACCOMMODATED 3.000 INCHES 1ST END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 3.000 INCHES 1ST END
THREAD QUANTITY PER INCH 8 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MOUNTING POSITION HORIZONTAL OR VERTICAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY END DIM. DATA
MANUFACTURERS CODE 86520
DESIGN CONTROL REFERENCE 201

Restrictions/Controls & Freight Information | NSN 4820-00-843-4643

Category Code Description
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.
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
No Freight Information