Check Valve NSN 4820-01-052-3974

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: 4820-01-052-3974

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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

200.0 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

Thready Qty Per Inch (tpi)

20 all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.438 inches all ends

Seat Angle

37.0 degrees all ends

Special Features

Craking pressure 3.0 psi

Material

Steel comp 304 flow control device and steel comp 303 flow control device

Material Specification

Qq-s-763, class 304 federal specification 1st material response flow control device and qq-s-764, type 303 federal specification 2nd material response flow control device

Media For Which Designed

Hydraulic fluid, mineral base 2nd response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 2 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Unj all ends

FSC

4820 Nonpowered Valves

NIIN

010523974

NSN

4820010523974

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

488-4D2-3

Cage Code:

09990

Status:

MSDS:

Part Number:

488-4D2-2

Cage Code:

09990

Status:

MSDS:

Part Number:

9-1862-4

Cage Code:

86768

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 4820-01-052-3974

What are the manufacturers of nsn 4820010523974?

Parker-hannifin Corporation (09990)
Teledyne Industries Inc (86768)

Does this nsn 4820010523974 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010523974
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 4820010523974 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820010523974 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010523974?
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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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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