Restrictor Check Valve NSN 4820-00-574-5636

Item Description

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

NSN: 4820-00-574-5636

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Features and Characteristics

Thread Class

3b 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

275.0 degrees fahrenheit single response

Connection Style

Gasket seal (boss) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal boss 1st end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

20 1st end

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.437 inches 1st end

Outside Diameter Tube Accommodated

0.250 inches 1st end

Material

Rubber synthetic packing

Media For Which Designed

Oil, hydraulic single response

Surface Treatment

Anodize

Surface Treatment Specification

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

Style Designator

Straight thru

Test Data Document

26512-a51dcvbh027 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 1st end

Furnished Items And Quantity

1 adapter

FSC

4820 Nonpowered Valves

NIIN

005745636

NSN

4820005745636

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

A51H9085-3

Cage Code:

61174

Status:

MSDS:

Part Number:

6124-1

Cage Code:

06177

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 4820-00-574-5636

What are the manufacturers of nsn 4820005745636?

Northrop Grumman Systems Corporation (61174)
Pneudraulics, Inc. (06177)
Northrop Grumman Systems Corporation (26512)

Does this nsn 4820005745636 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820005745636
A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. it does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

Does nsn 4820005745636 contain any precious metals?
No precious metal content.

Does nsn 4820005745636 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820005745636?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

20520

FIIG:

A530B0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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