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Safety Relief Valve NSN 4820-00-590-9206

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 4820-00-590-9206 NSN: 4820-00-590-9206

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Features and Characteristics

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Connection Style
External seat for gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Thread Size
0.438 inches all ends
Seat Angle
45.0 degrees all ends
Opening Pressure Setting
6.0 pounds per square inch
Material
Steel comp 304 flow control device and rubber butadiene-acrylonitrile class nbr flow control device
Material Specification
Qq-s-763, class 304 federal specification 1st material response flow control device and mil-p-5516, class b military specification 2nd material response flow control device
Style Designator
Straight through w/baffle
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
005909206
NSN
4820005909206

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
6153-30-6
Cage Code:
01496
Status:
A
MSDS:
Part Number:
10238TAB7PC7
Cage Code:
01496
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 4820-00-590-9206
What are the manufacturers of nsn 4820005909206?
Does this nsn 4820005909206 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005909206
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 4820005909206 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005909206 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005909206?
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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