Product Details | CHECK VALVE

4820-00-876-4056 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: 5128A4EE160, 9176459, 4820-00-876-4056, 00-876-4056, 4820008764056, 008764056

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-876-4056

Drawings & Photos | NSN 4820-00-876-4056


Cross Reference | NSN 4820-00-876-4056

Part Number Cage Code Manufacturer
5128A4EE160 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
9176459 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 4820-00-876-4056

Characteristic Specifications
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE B45 FLARELESS 1ST END
SEAT ANGLE 12.0 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
DISK LOADING METHOD SPRING
(NON-CORE DATA) POWER DRIVE OPERATING PRESSURE 160.0 POUNDS PER SQUARE INCH NOMINAL
MANUFACTURERS CODE 18876
DESIGN CONTROL REFERENCE 9176459

Restrictions/Controls & Freight Information | NSN 4820-00-876-4056

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