Check Valve NSN 4820-00-303-0559

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: 4820-00-303-0559

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Features and Characteristics

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

280.0 degrees fahrenheit single response

Connection Style

Flared (tube) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.438 inches all ends

Seat Angle

37.0 degrees 1st end

Outside Diameter Tube Accommodated

0.250 inches 1st end

Material

Aluminum alloy

Media For Which Designed

Water-oil-gas single response

Style Designator

Straight thru

Thread Series Designator

Unf all ends

FSC

4820 Nonpowered Valves

NIIN

003030559

NSN

4820003030559

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

259A4TT

Cage Code:

91816

Status:

MSDS:

Part Number:

P299A4TT

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: 8481309000
NAICS: 332911
SITC: 74730
Description: Check valves of materials other than copper, iron or steel
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-303-0559

What are the manufacturers of nsn 4820003030559?

Circor Aerospace, Inc. (91816)

Does this nsn 4820003030559 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820003030559
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 4820003030559 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820003030559 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820003030559?
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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Certificate of Conformance
Quality Inspected Parts
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