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Safety Relief Valve NSN 4820-01-232-8027

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 4820-01-232-8027 NSN: 4820-01-232-8027

Features and Characteristics

Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
650.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Connection Type
Flange all ends
Valve Size
0.500 inches
Opening Pressure Setting
64.0 pounds per square inch
Outside Diameter
3.500 inches all ends
Thickness
0.438 inches all ends
Bolt Hole Diameter
0.625 inches all ends
Bolt Circle Diameter
2.375 inches all ends
Material
Steel body
FSC
4820 Nonpowered Valves
NIIN
012328027
NSN
4820012328027

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
655A132-001
Cage Code:
0BR59
Status:
A
MSDS:
Part Number:
655A 132-001
Cage Code:
03502
Status:
A
MSDS:
Part Number:
655A132
Cage Code:
01289
Status:
A
MSDS:
Part Number:
655A132 PIECE 1
Cage Code:
01289
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 4820-01-232-8027
What are the manufacturers of nsn 4820012328027?
Does this nsn 4820012328027 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012328027
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 4820012328027 contain any precious metals?
No precious metal content.
Does nsn 4820012328027 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012328027?
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
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