Check Valve NSN 4820-00-720-3991

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: 4820-00-720-3991

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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

160.0 degrees fahrenheit 2nd response

Connection Style

Flareless all ends

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.562 inches all ends

Seat Angle

12.0 degrees all ends

Special Features

3.5 gpm rated flow capacity

Material

Aluminum alloy

Media For Which Designed

Hydraulic fluid, petroleum base single response

Surface Treatment

Anodize

Style Designator

Straight thru

Test Data Document

81349-mil-v-5524 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Thread Series Designator

Unjf all ends

Nondefinitive Specification/std Data

B style and 3000 class

FSC

4820 Nonpowered Valves

NIIN

007203991

NSN

4820007203991

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MS28890-6

Cage Code:

96906

Status:

MSDS:

Part Number:

4820007203991

Cage Code:

SCY13

Status:

MSDS:

Part Number:

MIL-V-5524

Cage Code:

81349

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 4820-00-720-3991

What are the manufacturers of nsn 4820007203991?

Does this nsn 4820007203991 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820007203991
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 4820007203991 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820007203991 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820007203991?
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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