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Safety Relief Valve NSN 4820-00-789-0616

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 4820-00-789-0616 NSN: 4820-00-789-0616

Features and Characteristics

Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
173.0 cubic feet per minute
Bolt Hole Quantity
6 1st end
Maximum Operating Temp
400.0 degrees fahrenheit single response
Width
2.156 inches 1st end
Length
2.938 inches 1st end
Valve Operation Method
Automatic
Flange Shape
Oval with holes 1st end
Connection Type
Flange 1st end
Maximum Operating Pressure
150.0 pounds per square inch single response
Opening Pressure Setting
140.0 pounds per square inch
Thickness
0.312 inches 1st end
Bolt Hole Diameter
0.344 inches 1st end
Bolt Circle Diameter
2.500 inches 1st end
Flange Face Design
Plain 1st end
Material
Copper alloy
Media For Which Designed
Air single response
Style Designator
Angle
FSC
4820 Nonpowered Valves
NIIN
007890616
NSN
4820007890616

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
24981
Cage Code:
5RQL2
Status:
A
MSDS:
Part Number:
86-140
Cage Code:
01343
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 4820-00-789-0616
What are the manufacturers of nsn 4820007890616?
Does this nsn 4820007890616 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007890616
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 4820007890616 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820007890616 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007890616?
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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