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Safety Relief Valve NSN 4820-00-942-4590

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 4820-00-942-4590 NSN: 4820-00-942-4590

Features and Characteristics

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Piston
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
3.0 gallons per minute
Renewable Seat Ring Type
Pressed-in
Connection Style
G4 gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Features Provided
Bonnet packing and pressure tight outlet side
Adjustable Pressure Range
+500.0/+2500.0 pounds per square inch
Maximum Operating Pressure
2500.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Opening Pressure Setting
1300.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches 1st end
Special Features
W/screw adjustment for relief pressure setting
Material
Steel seat
Media For Which Designed
Oil single response
Surface Treatment
Anodize
Style Designator
Err-090
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
009424590
NSN
4820009424590

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
13207E7100FN539
Cage Code:
97403
Status:
A
MSDS:
Part Number:
1L24F8T25S22
Cage Code:
8Z296
Status:
A
MSDS:
Part Number:
59402D8SAES6
Cage Code:
8Z296
Status:
A
MSDS:
Part Number:
13207E4953
Cage Code:
97403
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 4820-00-942-4590
What are the manufacturers of nsn 4820009424590?
Does this nsn 4820009424590 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009424590
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 4820009424590 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009424590 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009424590?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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