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Safety Relief Valve NSN 4820-00-981-4857

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 4820-00-981-4857 NSN: 4820-00-981-4857

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Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Weight
Connection Style
Plain (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Thread Size
22.00 millimeters 1st end
Material
Steel
Style Designator
Straight thru
Thread Series Designator
Iso s 1st end
FSC
4820 Nonpowered Valves
NIIN
009814857
NSN
4820009814857

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
VA76132A
Cage Code:
54936
Status:
A
MSDS:
Part Number:
754-416
Cage Code:
14541
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 4820-00-981-4857
What are the manufacturers of nsn 4820009814857?
Does this nsn 4820009814857 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009814857
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 4820009814857 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009814857 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009814857?
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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