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Safety Relief Valve NSN 4820-01-142-0382

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN 4820-01-142-0382 NSN: 4820-01-142-0382

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Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Maximum Operating Temp
165.0 degrees fahrenheit single response
Connection Style
Streamlined with one brazing ring (tube) err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal tube 1st end
Adjustable Pressure Range
+166.0/+191.0 pounds per square inch
Maximum Operating Pressure
440.0 pounds per square inch single response
Outside Diameter Tube Accommodated
0.750 inches 1st end
Material
Steel comp 304 seat
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response body
Media For Which Designed
Gas, inert 2nd response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
011420382
NSN
4820011420382

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
20234-9-941SS
Cage Code:
15187
Status:
A
MSDS:
Part Number:
D44UU-07 1/2 X 3/4 IN
Cage Code:
65079
Status:
A
MSDS:
Part Number:
D44UU-07H-1/2-3/4
Cage Code:
65079
Status:
A
MSDS:
Part Number:
20234
Cage Code:
01343
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-142-0382
What are the manufacturers of nsn 4820011420382?
Does this nsn 4820011420382 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011420382
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does nsn 4820011420382 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820011420382 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011420382?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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