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Safety Relief Valve NSN 4820-01-544-2254

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 4820-01-544-2254 NSN: 4820-01-544-2254

Features and Characteristics

Pipe Size Accommodated
0.750 inches all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
End Application
Ground support equipment
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Maximum Operating Pressure
200.0 pounds per square inch single response
Opening Pressure Setting
60.0 pounds per square inch
Part Name Assigned By Controlling Agency
Pressure relief control valve
Material
Steel comp 303 body
Style Designator
Err-090
Supplementary Features
Adjustable 20-200 psi / factory set at 60 psi
FSC
4820 Nonpowered Valves
NIIN
015442254
NSN
4820015442254

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CRL IS 20-200H SS 300S
Cage Code:
86184
Status:
A
MSDS:
Part Number:
7922302A
Cage Code:
86184
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 4820-01-544-2254
What are the manufacturers of nsn 4820015442254?
Does this nsn 4820015442254 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015442254
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 4820015442254 contain any precious metals?
No precious metal content.
Does nsn 4820015442254 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015442254?
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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