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Safety Relief Valve NSN 4820-01-059-3527

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 4820-01-059-3527 NSN: 4820-01-059-3527

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Features and Characteristics

Thread Class
3b 2nd end
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Maximum Operating Temp
275.0 degrees fahrenheit single response
Minimum Operating Temp
-65.0 degrees fahrenheit
Connection Style
G50 external seat for gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 2nd end
Thready Qty Per Inch (tpi)
20 all ends
Thread Size
0.438 inches all ends
Opening Pressure Setting
3.3 pounds per square inch
Material
Aluminum alloy 2024 body
Style Designator
Err-090
Thread Series Designator
Unj all ends
FSC
4820 Nonpowered Valves
NIIN
010593527
NSN
4820010593527

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
559A-4DB-3.3
Cage Code:
91816
Status:
A
MSDS:
Part Number:
C9268-1
Cage Code:
81755
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 4820-01-059-3527
What are the manufacturers of nsn 4820010593527?
Does this nsn 4820010593527 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010593527
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 4820010593527 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010593527 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010593527?
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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