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Safety Relief Valve NSN 4820-01-215-8690

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 4820-01-215-8690 NSN: 4820-01-215-8690

Features and Characteristics

Thread Class
3b 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Maximum Operating Temp
300.0 degrees fahrenheit single response
Connection Style
G43 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 2nd end
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.438 inches 1st end
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
50.0 pounds per square inch
Material
Aluminum alloy 2024 body
Media For Which Designed
Oil 1st response
Style Designator
A1 straight thru
Thread Series Designator
Unjf 1st end
FSC
4820 Nonpowered Valves
NIIN
012158690
NSN
4820012158690

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
562A-4TB-50
Cage Code:
91816
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 4820-01-215-8690
What are the manufacturers of nsn 4820012158690?
Does this nsn 4820012158690 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012158690
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 4820012158690 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820012158690 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012158690?
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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