Product Details | CHECK VALVE

4820-00-852-2858 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: 128C435, 128C435H03, 2371-1061 1-2, 2371106112, 4820-00-852-2858, 00-852-2858, 4820008522858, 008522858

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 25 SEP 1967 00-852-2858

Drawings & Photos | NSN 4820-00-852-2858


Cross Reference | NSN 4820-00-852-2858

Part Number Cage Code Manufacturer
128C435 97942 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN SYSTEMS
128C435H03 97942 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN SYSTEMS
2371-1061 1-2 90800 ROMAC INDUSTRIES, INC. DBA HAYS FLUID CONTROL DIVISION

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Technical Data | NSN 4820-00-852-2858

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR E1 STRAIGHT THRU
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B9 PLAIN ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.500 INCHES ALL ENDS
THREAD QUANTITY PER INCH 14 ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
SPECIAL FEATURES DESIGNED FOR FRESH WATER
MANUFACTURERS CODE 90800
DESIGN CONTROL REFERENCE 2371-1061 1-2

Restrictions/Controls & Freight Information | NSN 4820-00-852-2858

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