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Safety Relief Valve NSN 4820-01-622-9675

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 4820-01-622-9675 NSN: 4820-01-622-9675

Features and Characteristics

Pipe Size Accommodated
0.500 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Ball
Maximum Operating Temp
400.0 degrees fahrenheit single response
Minimum Operating Temp
-40.0 degrees fahrenheit
End Application
Heat exchanger
Connection Style
Plain (screw-in cartridge) 1st end
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe 1st end
Valve Size
0.500 inches
Maximum Operating Pressure
40.0 pounds per square inch single response
Opening Pressure Setting
40.0 pounds per square inch
Material
Steel stainless flow control device
Media For Which Designed
Gas, inert 2nd response
Surface Treatment
Nickel
Style Designator
Screw-in cartridge
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
016229675
NSN
4820016229675

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
112CSS-4-040
Cage Code:
636E2
Status:
A
MSDS:
Part Number:
9889K308
Cage Code:
07BY4
Status:
A
MSDS:
Part Number:
7119443-001
Cage Code:
53711
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 4820-01-622-9675
What are the manufacturers of nsn 4820016229675?
Does this nsn 4820016229675 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016229675
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 4820016229675 contain any precious metals?
No precious metal content.
Does nsn 4820016229675 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820016229675?
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
  •   Quality Inspected Parts
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