Restrictor Check Valve NSN 4820-00-591-3850

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: 4820-00-591-3850

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Features and Characteristics

Pipe Size Accommodated

1.000 inches 2nd end

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

150.0 degrees fahrenheit single response

Connection Style

Plain (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

25 1st end

Maximum Operating Pressure

3500.0 pounds per square inch single response

Thread Size

0.500 inches 2nd end

Seat Angle

37.0 degrees 1st end

Outside Diameter Tube Accommodated

1.000 inches 1st end

Material

Stainless steel packing

Style Designator

Straight thru

Thread Series Designator

Uns 1st end

FSC

4820 Nonpowered Valves

NIIN

005913850

NSN

4820005913850

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

A315733-1

Cage Code:

80020

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481301090
NAICS: 332911
SITC: 74730
Description: Check valves of copper having a pressure rating of 850 kpa or over
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-591-3850

What are the manufacturers of nsn 4820005913850?

Naval Air Warfare Center Aircraft (80020)

Does this nsn 4820005913850 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820005913850
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 4820005913850 contain any precious metals?
No precious metal content.

Does nsn 4820005913850 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820005913850?
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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