Check Valve NSN 4820-00-400-6571

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: 4820-00-400-6571

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Features and Characteristics

Thread Class

2a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

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)

12 all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

1.750 inches all ends

Outside Diameter Tube Accommodated

1.250 inches 1st end

Material

Steel comp 416 flow control device

Material Specification

Fed-std-66, aisi 303/sae 30303 federal standard single material response body

Media For Which Designed

Air single response

Surface Treatment

Passivate

Style Designator

Straight thru

Thread Series Designator

Un all ends

FSC

4820 Nonpowered Valves

NIIN

004006571

NSN

4820004006571

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

C44335

Cage Code:

77842

Status:

MSDS:

Part Number:

V1-13-2ANDS8-1-1

Cage Code:

31923

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 4820-00-400-6571

What are the manufacturers of nsn 4820004006571?

Eaton Corporation (77842)
Todd Combustion Inc (31923)

Does this nsn 4820004006571 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820004006571
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 4820004006571 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820004006571 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820004006571?
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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