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Safety Relief Valve NSN 4820-00-040-3134

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 4820-00-040-3134 NSN: 4820-00-040-3134

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Features and Characteristics

Thread Class
2b 1st end
Thread Direction
Right-hand 4th end
Flow Control Device
Poppet
Disk Loading Method
Spring
Renewable Seat Ring Type
Bonded
Connection Style
Gasket sea (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal tube 1st end
Mounting Facility
Bracket
Thread Size
0.875 inches 4th end
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Steel seat
Surface Treatment
Anodize
Style Designator
Angle
Thread Series Designator
Unf 4th end
FSC
4820 Nonpowered Valves
NIIN
000403134
NSN
4820000403134

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
571973
Cage Code:
31322
Status:
A
MSDS:
Part Number:
906004
Cage Code:
55469
Status:
A
MSDS:
Part Number:
222784
Cage Code:
11449
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 4820-00-040-3134
What are the manufacturers of nsn 4820000403134?
Does this nsn 4820000403134 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000403134
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 4820000403134 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820000403134 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000403134?
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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