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Safety Relief Valve NSN 4820-01-145-6205

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 4820-01-145-6205 NSN: 4820-01-145-6205

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Features and Characteristics

Flow Control Device
Disk
Bolt Hole Quantity
4 2nd end
End Application
Boiler pressure 509s-4pc onboard 378 ft whec coast guard vessels
Valve Operation Method
Automatic
Flange Shape
Round with holes 2nd end
Connection Type
Flange 1st end
Mounting Facility
Bracket
Valve Size
1.500 inches
Opening Pressure Setting
150.0 pounds per square inch
Outside Diameter
5.250 inches 1st end
Thickness
0.562 inches 2nd end
First Connection Face To Centerline Distance
4.188 inches
Bolt Hole Diameter
0.625 inches 1st end
Second Connection Face To Centerline Distance
4.406 inches
Bolt Circle Diameter
3.875 inches 2nd end
Flange Face Design
Plain 2nd end
Material
Steel
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
011456205
NSN
4820011456205

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1811GB
Cage Code:
16497
Status:
A
MSDS:
Part Number:
1811GA
Cage Code:
16497
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 4820-01-145-6205
What are the manufacturers of nsn 4820011456205?
Does this nsn 4820011456205 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011456205
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 4820011456205 contain any precious metals?
No precious metal content.
Does nsn 4820011456205 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011456205?
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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