Check Valve NSN 4820-00-797-3959

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: 4820-00-797-3959

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Features and Characteristics

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

End Application

C-130 hercules aircraft.

Connection Style

Flareless 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

16 1st end

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.750 inches 1st end

Seat Angle

24.0 degrees 1st end

Criticality Code Justification

Feat

Outside Diameter Tube Accommodated

0.500 inches 1st end

Special Features

Weapon system essential. Cracking pressure 65 psi.

Material

Aluminum alloy seat

Style Designator

Straight thru

Thread Series Designator

Unf 1st end

FSC

4820 Nonpowered Valves

NIIN

007973959

NSN

4820007973959

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

VA039-1

Cage Code:

24984

Status:

MSDS:

Part Number:

50.109-BN

Cage Code:

72429

Status:

MSDS:

Part Number:

448-8D27-65

Cage Code:

09990

Status:

MSDS:

Part Number:

50.109

Cage Code:

72429

Status:

MSDS:

Part Number:

VA041

Cage Code:

24984

Status:

MSDS:

Part Number:

448-8D2-65

Cage Code:

86768

Status:

MSDS:

Part Number:

12-159-2

Cage Code:

86768

Status:

MSDS:

Part Number:

VA021

Cage Code:

24984

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 4820-00-797-3959

What are the manufacturers of nsn 4820007973959?

Does this nsn 4820007973959 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820007973959
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 4820007973959 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820007973959 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820007973959?
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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