Gaseou Pressure Equalizing Valve NSN 4820-01-036-2181

Item Description

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

NSN: 4820-01-036-2181

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Features and Characteristics

Body Material

Molding plastic, polycarbonate

Maximum Operating Pressure

1.5 pounds per square inch

Body Style

Single connection, straight flow

Tempurature Rating

80.0 degrees fahrenheit

Media For Which Designed

Protective device against excessive internal and external pressures during air lift and extreme temperature changes in shipping containers

First End Connection Type

Threaded internal pipe

First End Style Designator

Plain

First End Pipe Size Accommodated

1.250 inches

First End Thread Size And Series/type Designator

1.250-16 un

First End Thread Direction

Right-hand

Flow Control Device

Any acceptable

End Connection Quantity

Opening Pressure Setting

Not rated

Valve Venting Design Type

Atmospheric

Valve Relief Design Type

Pressure and vacuum

Absolute Pressure Setting

Not rated

FSC

4820 Nonpowered Valves

NIIN

010362181

NSN

4820010362181

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1298365-3

Cage Code:

30003

Status:

MSDS:

Foreign Trade & Schedule B

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

Schedule B Number: 8481809050
NAICS: 332911
SITC: 74780
Description: Other taps, cocks, valves, etc., nesoi
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-036-2181

What are the manufacturers of nsn 4820010362181?

Naval Air Systems Command (30003)

Does this nsn 4820010362181 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010362181
A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. it is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. the center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. it may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. exclude valve, vacuum breaking.

Does nsn 4820010362181 contain any precious metals?
No precious metal content.

Does nsn 4820010362181 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010362181?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

10958

FIIG:

A07100

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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