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Safety Relief Valve NSN 4820-00-159-0546

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 4820-00-159-0546 NSN: 4820-00-159-0546

Features and Characteristics

Thread Class
2b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Stem
Maximum Operating Temp
550.0 degrees fahrenheit single response
Connection Style
Plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Thready Qty Per Inch (tpi)
18 all ends
Thread Size
0.688 inches all ends
Special Features
Capillary length 13 in.; brass pipe fitting 3/8 in.
Material
Aluminum
Media For Which Designed
Gas, natural single response
Style Designator
Straight through note: to be used for valve bodies of one section only.
Thread Series Designator
Uns all ends
FSC
4820 Nonpowered Valves
NIIN
001590546
NSN
4820001590546

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
VS4060-705
Cage Code:
77857
Status:
A
MSDS:
Part Number:
20492
Cage Code:
25095
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 4820-00-159-0546
What are the manufacturers of nsn 4820001590546?
Does this nsn 4820001590546 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001590546
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 4820001590546 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820001590546 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001590546?
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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