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Safety Relief Valve NSN 4820-01-248-1431

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 4820-01-248-1431 NSN: 4820-01-248-1431

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Features and Characteristics

Bolt Hole Quantity
8 1st end
Maximum Operating Temp
450.0 degrees fahrenheit single response
Minimum Operating Temp
-20.0 degrees fahrenheit
Valve Operation Method
Manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
3.000 inches
Opening Pressure Setting
45.0 pounds per square inch
Outside Diameter
9.000 inches 1st end
Bolt Hole Diameter
0.750 inches all ends
Bolt Circle Diameter
7.500 inches 1st end
Flange Face Design
Raised straight all ends
Material
Steel body
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
012481431
NSN
4820012481431

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
26KA10-170 44T5
Cage Code:
72352
Status:
A
MSDS:
Part Number:
26KA10-170-45PSI
Cage Code:
72352
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 4820-01-248-1431
What are the manufacturers of nsn 4820012481431?
Does this nsn 4820012481431 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012481431
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 4820012481431 contain any precious metals?
No precious metal content.
Does nsn 4820012481431 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012481431?
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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