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Safety Relief Valve NSN 4820-00-425-2003

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 4820-00-425-2003 NSN: 4820-00-425-2003

Features and Characteristics

Thread Class
2b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Connection Style
Plain (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal tube 1st end
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.438 inches 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Style Designator
Angle
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
004252003
NSN
4820004252003

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
301SA117
Cage Code:
77237
Status:
A
MSDS:
Part Number:
301SA152
Cage Code:
77237
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 4820-00-425-2003
What are the manufacturers of nsn 4820004252003?
Does this nsn 4820004252003 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004252003
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 4820004252003 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004252003 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004252003?
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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