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Safety Relief Valve NSN 4820-00-058-2920

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 4820-00-058-2920 NSN: 4820-00-058-2920

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
181.0 cubic feet per minute
Connection Style
Plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Adjustable Pressure Range
+1.0 to 165.0 pounds per square inch
Maximum Operating Pressure
165.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Opening Pressure Setting
125.0 pounds per square inch
Special Features
Manual test lever
Material
Copper alloy
Media For Which Designed
Air single response
Style Designator
Straight thru
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
000582920
NSN
4820000582920

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
X1396T4-125
Cage Code:
6R484
Status:
A
MSDS:
Part Number:
3/4 1A-125
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 4820-00-058-2920
What are the manufacturers of nsn 4820000582920?
Does this nsn 4820000582920 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000582920
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 4820000582920 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820000582920 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000582920?
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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