Check Valve NSN 4820-00-683-8722

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: 4820-00-683-8722

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Features and Characteristics

Pipe Size Accommodated

0.250 inches 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

250.0 degrees fahrenheit 2nd response

End Application

Grumman a10 aircraft

Connection Style

Plain, optional end (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe 1st end

Mounting Position

Horizontal

Thready Qty Per Inch (tpi)

18 2nd end

Maximum Operating Pressure

5000.0 pounds per square inch single response

Thread Size

0.250 inches 2nd end

Special Features

Cracking pressure 2 - 4 psi

Material

Rubber butadiene-acrylonitrile class nbr seat

Media For Which Designed

Carbon dioxide 5th response

Style Designator

Straight thru

Thread Series Designator

Npt 1st end

FSC

4820 Nonpowered Valves

NIIN

006838722

NSN

4820006838722

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2349B-2PM

Cage Code:

91816

Status:

MSDS:

Part Number:

2320B2PM

Cage Code:

91816

Status:

MSDS:

Part Number:

2320B2PM4

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: 8481301090
NAICS: 332911
SITC: 74730
Description: Check valves of copper having a pressure rating of 850 kpa or over
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-683-8722

What are the manufacturers of nsn 4820006838722?

Circor Aerospace, Inc. (91816)

Does this nsn 4820006838722 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820006838722
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 4820006838722 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820006838722 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820006838722?
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
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