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Safety Relief Valve NSN 4820-01-333-1272

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 4820-01-333-1272 NSN: 4820-01-333-1272

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Maximum Operating Temp
-70.0 degrees fahrenheit 1st response450.0 degrees fahrenheit 2nd response
Connection Style
G46b plain (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.125 inches all ends
Opening Pressure Setting
45.0 pounds per square inch
Material
Steel comp 316 body
Media For Which Designed
Oxygen, gaseous 3rd response
Style Designator
Err-090
Thread Series Designator
Npt all ends
Furnished Items And Quantity
1 deflector cap
FSC
4820 Nonpowered Valves
NIIN
013331272
NSN
4820013331272

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SC4820-0014-3
Cage Code:
12115
Status:
A
MSDS:
Part Number:
D524T1-1M-45
Cage Code:
91816
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 4820-01-333-1272
What are the manufacturers of nsn 4820013331272?
Does this nsn 4820013331272 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013331272
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 4820013331272 contain any precious metals?
No precious metal content.
Does nsn 4820013331272 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013331272?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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