Check Valve NSN 4820-00-001-9554

Item Description

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.

NSN: 4820-00-001-9554

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Features and Characteristics

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Disk Loading Method

Spring

Maximum Operating Temp

180.0 degrees fahrenheit single response

Connection Style

External seat for gasket seal (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external boss all ends

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

20 all ends

Maximum Operating Pressure

600.0 pounds per square inch single response

Thread Size

0.438 inches all ends

Seat Angle

37.0 degrees all ends

Opening Pressure Setting

2.0 pounds per square inch

Material

Stainless steel flow control device

Media For Which Designed

Fuel/oil, hydrocarbon 2nd response

Style Designator

Straight thru

Thread Series Designator

Unj all ends

FSC

4820 Nonpowered Valves

NIIN

000019554

NSN

4820000019554

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

GV500G4

Cage Code:

26512

Status:

MSDS:

Part Number:

GV500G4B

Cage Code:

26512

Status:

MSDS:

Part Number:

869A-4BT-2

Cage Code:

91816

Status:

MSDS:

Part Number:

GV500G

Cage Code:

26512

Status:

MSDS:

Part Number:

869T4TT2

Cage Code:

91816

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481302090
NAICS: 332911
SITC: 74730
Description: Check valves of steel
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-001-9554

What are the manufacturers of nsn 4820000019554?

Northrop Grumman Systems Corporation (26512)
Circor Aerospace, Inc. (91816)

Does this nsn 4820000019554 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820000019554
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.

Does nsn 4820000019554 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820000019554 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820000019554?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

App. Key:

Cond. Code:

Status:

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