Product Details | CHECK VALVE

4820-00-575-1911 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: 8024, 802-4, 4820-00-575-1911, 00-575-1911, 4820005751911, 005751911

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-575-1911

Drawings & Photos | NSN 4820-00-575-1911


Demand History | NSN 4820-00-575-1911

Part Number Request Date QTY Origin
8024 2011-06-169 2 TZ

Cross Reference | NSN 4820-00-575-1911

Part Number Cage Code Manufacturer
802-4 58553 SUPERIOR VALVE CO

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Technical Data | NSN 4820-00-575-1911

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY SEAT
STYLE DESIGNATOR A4 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 350.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE B42 FLARED 1ST END
SEAT ANGLE 45.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.438 INCHES 1ST END
THREAD QUANTITY PER INCH 20 1ST END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
MANUFACTURERS CODE 58553
DESIGN CONTROL REFERENCE 802-4

Restrictions/Controls & Freight Information | NSN 4820-00-575-1911

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