Check Valve NSN 4820-00-858-2531

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: 4820-00-858-2531

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Features and Characteristics

Thread Class

3b 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

250.0 degrees fahrenheit single response

Connection Style

Gasket seal (boss) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded internal boss 2nd end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

16 1st end

Thread Size

0.750 inches 2nd end

Seat Angle

37.0 degrees 1st end

Special Features

Part of oil tank assembly, engine, used on allison propjet, convair model 580 airplane

Material

Steel comp 416 body

Material Specification

Qq-s-753 federal specification single material response body

Media For Which Designed

Air single response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Unj 1st end

FSC

4820 Nonpowered Valves

NIIN

008582531

NSN

4820008582531

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

21R3081-5

Cage Code:

26044

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 4820-00-858-2531

What are the manufacturers of nsn 4820008582531?

Saf Industries Llc (26044)

Does this nsn 4820008582531 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820008582531
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 4820008582531 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820008582531 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820008582531?
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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