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Safety Relief Valve NSN 4820-00-095-2040

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 4820-00-095-2040 NSN: 4820-00-095-2040

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Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Renewable Seat Ring Type
Bonded
Connection Style
Gasket sea (boss) 1st end
Valve Operation Method
Manual
Connection Type
Threaded internal boss 1st end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
20 1st end
Maximum Operating Pressure
85.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Opening Pressure Setting
3.5 pounds per square inch
Media For Which Designed
Air single response
Style Designator
Straight thru
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
000952040
NSN
4820000952040

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
667536
Cage Code:
98897
Status:
A
MSDS:
Part Number:
211421
Cage Code:
81982
Status:
A
MSDS:
Part Number:
135-00560
Cage Code:
01276
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 4820-00-095-2040
What are the manufacturers of nsn 4820000952040?
Does this nsn 4820000952040 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000952040
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 4820000952040 contain any precious metals?
No precious metal content.
Does nsn 4820000952040 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000952040?
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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