Product Details | CHECK VALVE

4820-01-494-9505 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: CVHY12F12F2001AOH, 4820-01-494-9505, 01-494-9505, 4820014949505, 014949505

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 FEB 2002 01-494-9505

Drawings & Photos | NSN 4820-01-494-9505


Cross Reference | NSN 4820-01-494-9505

Part Number Cage Code Manufacturer
CVHY12F12F2001AOH 28968 CIRCOR INSTRUMENTATION TECHNOLOGIES, INC.

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Technical Data | NSN 4820-01-494-9505

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
STYLE DESIGNATOR A3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 900.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
SPECIAL FEATURES INLET SIZE 0.750 IN.; OUTLET SIZE 0.750 IN.; 01.0 PSI/0.069 BAR CRACKING PRESSURE

Restrictions/Controls & Freight Information | NSN 4820-01-494-9505

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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
No Freight Information