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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 NSN: 4820-01-036-2181

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
1
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:
A
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?
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:
AP
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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