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Safety Relief Valve NSN 4820-00-855-8369

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 4820-00-855-8369 NSN: 4820-00-855-8369

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Features and Characteristics

Thread Class
2b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Connection Style
G4 gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Thready Qty Per Inch (tpi)
16 all ends
Thread Size
0.750 inches all ends
Opening Pressure Setting
550.0 pounds per square inch
Special Features
Offset distance of two ports 0.680 in.
Material
Steel body
Style Designator
Err-090
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
008558369
NSN
4820008558369

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1506-8
Cage Code:
94874
Status:
A
MSDS:
Part Number:
1506-550
Cage Code:
94874
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 4820-00-855-8369
What are the manufacturers of nsn 4820008558369?
Does this nsn 4820008558369 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008558369
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 4820008558369 contain any precious metals?
No precious metal content.
Does nsn 4820008558369 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008558369?
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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