Product Details | CHECK VALVE

4820-01-128-1119 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: 559T2M5, 559T-2M-5, 4820-01-128-1119, 01-128-1119, 4820011281119, 011281119

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 11 MAR 1982 01-128-1119

Drawings & Photos | NSN 4820-01-128-1119


Cross Reference | NSN 4820-01-128-1119

Part Number Cage Code Manufacturer
559T-2M-5 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
559T-2M-5 Z03F0 BOEING DEFENCE AUSTRALIA LTD
559T-2M-5 Z8T75 BOEING DEFENCE AUSTRALIA LTD

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Technical Data | NSN 4820-01-128-1119

Characteristic Specifications
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 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 0.250 INCHES 1ST END 0.250 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END NPT 2ND END
NOMINAL THREAD SIZE 0.250 INCHES 1ST END 0.250 INCHES 2ND END
THREAD QUANTITY PER INCH 18 1ST END 18 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
MOUNTING POSITION VERTICAL
DISK LOADING METHOD SPRING
SPECIAL FEATURES INLET END IS MALE TYPE

Restrictions/Controls & Freight Information | NSN 4820-01-128-1119

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: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.
Category Code Description
No Freight Information